/* ================================================================
   FLAIO Design System — Core
   Linear-inspired design tokens + components for the FLAIO ecosystem.

   Drop-in: <link rel="stylesheet" href="flaio.css">
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

/* ================================================================
   Reset
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ================================================================
   Design Tokens — Light (default)
   ================================================================ */
:root {
    /* ── Surfaces ── */
    --fl-bg:             #F7F8F8;
    --fl-bg-inset:       #EFEFEF;
    --fl-surface:        #FFFFFF;
    --fl-surface-raised: #FFFFFF;
    --fl-surface-overlay:#FFFFFF;

    /* ── Borders ── */
    --fl-border:         rgba(0, 0, 0, 0.08);
    --fl-border-strong:  rgba(0, 0, 0, 0.14);
    --fl-border-subtle:  rgba(0, 0, 0, 0.05);

    /* ── Text ── */
    --fl-text:           #1B1B1F;
    --fl-text-secondary: #6B6F76;
    --fl-text-tertiary:  #8C8F94;
    --fl-text-dimmed:    #B0B3B8;

    /* ── Accent (Deep Indigo) ── */
    --fl-accent:         #4F5CC0;
    --fl-accent-hover:   #424DAA;
    --fl-accent-soft:    rgba(79, 92, 192, 0.08);
    --fl-accent-text:    #424DAA;

    /* ── Status (muted, premium) ── */
    --fl-red:            #B85456;
    --fl-red-soft:       rgba(184, 84, 86, 0.06);
    --fl-red-border:     rgba(184, 84, 86, 0.18);
    --fl-green:          #2D876A;
    --fl-green-soft:     rgba(45, 135, 106, 0.06);
    --fl-green-border:   rgba(45, 135, 106, 0.18);
    --fl-amber:          #B08A3E;
    --fl-amber-soft:     rgba(176, 138, 62, 0.08);
    --fl-amber-border:   rgba(176, 138, 62, 0.22);
    --fl-blue:           #3E6EB4;
    --fl-blue-soft:      rgba(62, 110, 180, 0.06);
    --fl-blue-border:    rgba(62, 110, 180, 0.18);

    /* ── Typography ── */
    --fl-font:           "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
    --fl-font-mono:      "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", "Consolas", monospace;
    --fl-leading:        1.5;

    /* ── Spacing (4px base, 8px primary) ── */
    --fl-sp-1:  4px;
    --fl-sp-2:  8px;
    --fl-sp-3:  12px;
    --fl-sp-4:  16px;
    --fl-sp-5:  20px;
    --fl-sp-6:  24px;
    --fl-sp-8:  32px;
    --fl-sp-10: 40px;
    --fl-sp-12: 48px;
    --fl-sp-16: 64px;

    /* ── Radii ── */
    --fl-radius-sm:  4px;
    --fl-radius:     6px;
    --fl-radius-lg:  8px;
    --fl-radius-xl:  12px;
    --fl-radius-full: 9999px;

    /* ── Shadows ── */
    --fl-shadow-xs:  0 1px 2px rgba(0,0,0,0.05);
    --fl-shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --fl-shadow-md:  0 4px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.06);
    --fl-shadow-lg:  0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
    --fl-shadow-xl:  0 20px 70px rgba(0,0,0,0.15);

    /* ── Focus ── */
    --fl-focus-ring: 0 0 0 2px var(--fl-bg), 0 0 0 4px var(--fl-accent);

    /* ── Transitions ── */
    --fl-duration:   150ms;
    --fl-easing:     ease;
    --fl-spring:     cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ── Brand Hue (override per-app) ── */
    --fl-hue:        265;

    /* ── Button: Premium (from design spec) ── */
    --fl-btn-prem-outer-bg:        #ECECEC;
    --fl-btn-prem-outer-shadow:    inset 0 2px 3px rgba(0,0,0,0.05);
    --fl-btn-prem-inner-gradient:  linear-gradient(180deg, #FFFFFF 0%, #F3F3F3 100%);
    --fl-btn-prem-inner-stroke:    #FFFFFF;
    --fl-btn-prem-inner-shadow:    0 3px 7px -2px #B3B3B3;
    --fl-btn-prem-drop-shadow:     0 1px 0 rgba(225,225,225,0.70), 0 1px 1px rgba(0,0,0,0.18);
    --fl-btn-prem-text:            #000000;
}

/* ================================================================
   Design Tokens — Dark
   ================================================================ */
[data-theme="dark"] {
    --fl-bg:             #111113;
    --fl-bg-inset:       #0C0C0E;
    --fl-surface:        #191A1C;
    --fl-surface-raised: #222326;
    --fl-surface-overlay:#2A2B2E;

    --fl-border:         rgba(255, 255, 255, 0.08);
    --fl-border-strong:  rgba(255, 255, 255, 0.14);
    --fl-border-subtle:  rgba(255, 255, 255, 0.04);

    --fl-text:           #EDEEF0;
    --fl-text-secondary: #8A8F98;
    --fl-text-tertiary:  #5C5F66;
    --fl-text-dimmed:    #3A3D42;

    --fl-accent:         #7580D8;
    --fl-accent-hover:   #8690E4;
    --fl-accent-soft:    rgba(117, 128, 216, 0.12);
    --fl-accent-text:    #9AA3EC;

    --fl-red:            #B85456;
    --fl-red-soft:       rgba(184, 84, 86, 0.10);
    --fl-red-border:     rgba(184, 84, 86, 0.22);
    --fl-green:          #2D876A;
    --fl-green-soft:     rgba(45, 135, 106, 0.10);
    --fl-green-border:   rgba(45, 135, 106, 0.22);
    --fl-amber:          #B08A3E;
    --fl-amber-soft:     rgba(176, 138, 62, 0.10);
    --fl-amber-border:   rgba(176, 138, 62, 0.22);
    --fl-blue:           #3E6EB4;
    --fl-blue-soft:      rgba(62, 110, 180, 0.10);
    --fl-blue-border:    rgba(62, 110, 180, 0.22);

    --fl-shadow-xs:  0 1px 2px rgba(0,0,0,0.20);
    --fl-shadow-sm:  0 1px 3px rgba(0,0,0,0.30), 0 1px 2px rgba(0,0,0,0.15);
    --fl-shadow-md:  0 4px 12px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.20);
    --fl-shadow-lg:  0 12px 40px rgba(0,0,0,0.45), 0 4px 12px rgba(0,0,0,0.25);
    --fl-shadow-xl:  0 20px 70px rgba(0,0,0,0.55);

    --fl-focus-ring: 0 0 0 2px var(--fl-bg), 0 0 0 4px var(--fl-accent);

    /* Premium button: dark variant */
    --fl-btn-prem-outer-bg:        #222326;
    --fl-btn-prem-outer-shadow:    inset 0 2px 3px rgba(0,0,0,0.25);
    --fl-btn-prem-inner-gradient:  linear-gradient(180deg, #333539 0%, #28292C 100%);
    --fl-btn-prem-inner-stroke:    rgba(255,255,255,0.08);
    --fl-btn-prem-inner-shadow:    0 3px 7px -2px rgba(0,0,0,0.50);
    --fl-btn-prem-drop-shadow:     0 1px 0 rgba(0,0,0,0.40), 0 1px 1px rgba(0,0,0,0.35);
    --fl-btn-prem-text:            #EDEEF0;
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --fl-bg:             #111113;
        --fl-bg-inset:       #0C0C0E;
        --fl-surface:        #191A1C;
        --fl-surface-raised: #222326;
        --fl-surface-overlay:#2A2B2E;

        --fl-border:         rgba(255, 255, 255, 0.08);
        --fl-border-strong:  rgba(255, 255, 255, 0.14);
        --fl-border-subtle:  rgba(255, 255, 255, 0.04);

        --fl-text:           #EDEEF0;
        --fl-text-secondary: #8A8F98;
        --fl-text-tertiary:  #5C5F66;
        --fl-text-dimmed:    #3A3D42;

        --fl-accent:         #7580D8;
        --fl-accent-hover:   #8690E4;
        --fl-accent-soft:    rgba(117, 128, 216, 0.12);
        --fl-accent-text:    #9AA3EC;

        --fl-red:            #B85456;
        --fl-red-soft:       rgba(184, 84, 86, 0.10);
        --fl-red-border:     rgba(184, 84, 86, 0.22);
        --fl-green:          #2D876A;
        --fl-green-soft:     rgba(45, 135, 106, 0.10);
        --fl-green-border:   rgba(45, 135, 106, 0.22);
        --fl-amber:          #B08A3E;
        --fl-amber-soft:     rgba(176, 138, 62, 0.10);
        --fl-amber-border:   rgba(176, 138, 62, 0.22);
        --fl-blue:           #3E6EB4;
        --fl-blue-soft:      rgba(62, 110, 180, 0.10);
        --fl-blue-border:    rgba(62, 110, 180, 0.22);

        --fl-shadow-xs:  0 1px 2px rgba(0,0,0,0.20);
        --fl-shadow-sm:  0 1px 3px rgba(0,0,0,0.30), 0 1px 2px rgba(0,0,0,0.15);
        --fl-shadow-md:  0 4px 12px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.20);
        --fl-shadow-lg:  0 12px 40px rgba(0,0,0,0.45), 0 4px 12px rgba(0,0,0,0.25);
        --fl-shadow-xl:  0 20px 70px rgba(0,0,0,0.55);

        --fl-focus-ring: 0 0 0 2px var(--fl-bg), 0 0 0 4px var(--fl-accent);

        --fl-btn-prem-outer-bg:        #222326;
        --fl-btn-prem-outer-shadow:    inset 0 2px 3px rgba(0,0,0,0.25);
        --fl-btn-prem-inner-gradient:  linear-gradient(180deg, #333539 0%, #28292C 100%);
        --fl-btn-prem-inner-stroke:    rgba(255,255,255,0.08);
        --fl-btn-prem-inner-shadow:    0 3px 7px -2px rgba(0,0,0,0.50);
        --fl-btn-prem-drop-shadow:     0 1px 0 rgba(0,0,0,0.40), 0 1px 1px rgba(0,0,0,0.35);
        --fl-btn-prem-text:            #EDEEF0;
    }
}

/* ================================================================
   Base
   ================================================================ */
html {
    font-family: var(--fl-font);
    font-size: 15px;
    line-height: var(--fl-leading);
    color: var(--fl-text);
    background: var(--fl-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    font-feature-settings: 'liga' 1, 'calt' 1;
    transition: background-color var(--fl-duration) var(--fl-easing),
                color var(--fl-duration) var(--fl-easing);
}

body {
    min-height: 100vh;
}

::selection {
    background: var(--fl-accent-soft);
}

/* ================================================================
   Typography
   ================================================================ */

/* Display — hero headings */
.fl-display {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.1;
    color: var(--fl-text);
}

/* H1 */
.fl-h1 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.2;
    color: var(--fl-text);
}

/* H2 */
.fl-h2 {
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--fl-text);
}

/* H3 */
.fl-h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.4;
    color: var(--fl-text);
}

/* Body */
.fl-body {
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--fl-text);
}

/* Small */
.fl-small {
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--fl-text-secondary);
}

/* Caption */
.fl-caption {
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--fl-text-tertiary);
}

/* Overline — section labels */
.fl-overline {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--fl-text-tertiary);
}

/* Mono */
.fl-mono {
    font-family: var(--fl-font-mono);
    font-size: 0.8125rem;
}

/* ================================================================
   Buttons — Base
   ================================================================ */
.fl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px;
    padding: 0 14px;
    font-family: var(--fl-font);
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    color: var(--fl-text);
    background: transparent;
    border: 1px solid var(--fl-border-strong);
    border-radius: var(--fl-radius);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    text-decoration: none;
    transition:
        background-color var(--fl-duration) var(--fl-easing),
        border-color var(--fl-duration) var(--fl-easing),
        color var(--fl-duration) var(--fl-easing),
        box-shadow var(--fl-duration) var(--fl-easing),
        transform 80ms var(--fl-easing);
}

.fl-btn:hover {
    background: var(--fl-surface-raised);
    border-color: var(--fl-border-strong);
}

.fl-btn:active {
    transform: scale(0.97);
}

.fl-btn:focus-visible {
    outline: none;
    box-shadow: var(--fl-focus-ring);
}

.fl-btn:disabled, .fl-btn[aria-disabled="true"] {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.fl-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: stroke-width 80ms ease;
}

.fl-btn:hover svg {
    stroke-width: 2;
}

/* ── Size variants ── */
.fl-btn-sm {
    height: 28px;
    padding: 0 10px;
    font-size: 12px;
    border-radius: var(--fl-radius-sm);
    gap: 4px;
}

.fl-btn-sm svg {
    width: 14px;
    height: 14px;
}

.fl-btn-lg {
    height: 44px;
    padding: 0 20px;
    font-size: 15px;
    border-radius: var(--fl-radius-lg);
    gap: 8px;
}

/* ── Primary: filled accent ── */
.fl-btn-primary {
    background: var(--fl-accent);
    color: #FFFFFF;
    border-color: var(--fl-accent);
    box-shadow: var(--fl-shadow-xs),
                inset 0 1px 0 rgba(255,255,255,0.12);
}

.fl-btn-primary:hover {
    background: var(--fl-accent-hover);
    border-color: var(--fl-accent-hover);
}

/* ── Ghost: no border ── */
.fl-btn-ghost {
    border-color: transparent;
    color: var(--fl-text-secondary);
}

.fl-btn-ghost:hover {
    background: var(--fl-accent-soft);
    color: var(--fl-text);
    border-color: transparent;
}

/* ── Danger ── */
.fl-btn-danger {
    color: var(--fl-red);
    border-color: var(--fl-red-border);
}

.fl-btn-danger:hover {
    background: var(--fl-red-soft);
}

/* ── Soft: tinted background, no border ── */
.fl-btn-soft {
    background: var(--fl-accent-soft);
    color: var(--fl-accent-text);
    border-color: transparent;
}

.fl-btn-soft:hover {
    background: var(--fl-accent-soft);
    border-color: transparent;
}

/* ================================================================
   Button — Premium (Layered / Tactile)
   Inspired by the inner/outer button spec.
   Structure: .fl-btn-premium > span.fl-btn-premium-inner
   ================================================================ */
.fl-btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: auto;
    padding: 3px;
    background: var(--fl-btn-prem-outer-bg);
    border: none;
    border-radius: var(--fl-radius-full);
    box-shadow:
        var(--fl-btn-prem-outer-shadow),
        var(--fl-btn-prem-drop-shadow);
    cursor: pointer;
    user-select: none;
    font-family: var(--fl-font);
    transition:
        box-shadow var(--fl-duration) var(--fl-easing),
        transform 80ms var(--fl-easing);
}

.fl-btn-premium:hover {
    box-shadow:
        var(--fl-btn-prem-outer-shadow),
        0 1px 0 rgba(225,225,225,0.70),
        0 2px 4px rgba(0,0,0,0.22);
}

.fl-btn-premium:active {
    transform: scale(0.97);
}

.fl-btn-premium:focus-visible {
    outline: none;
    box-shadow:
        var(--fl-btn-prem-outer-shadow),
        var(--fl-btn-prem-drop-shadow),
        0 0 0 3px var(--fl-accent);
}

.fl-btn-premium-inner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 24px;
    background: var(--fl-btn-prem-inner-gradient);
    border: 2px solid var(--fl-btn-prem-inner-stroke);
    border-radius: var(--fl-radius-full);
    box-shadow: var(--fl-btn-prem-inner-shadow);
    font-size: 15px;
    font-weight: 600;
    color: var(--fl-btn-prem-text);
    line-height: 1;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.fl-btn-premium-inner svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Small premium */
.fl-btn-premium.fl-btn-sm {
    padding: 3px;
}

.fl-btn-premium.fl-btn-sm .fl-btn-premium-inner {
    padding: 6px 16px;
    font-size: 13px;
    gap: 6px;
}

/* Large premium */
.fl-btn-premium.fl-btn-lg {
    padding: 3px;
}

.fl-btn-premium.fl-btn-lg .fl-btn-premium-inner {
    padding: 14px 32px;
    font-size: 17px;
    gap: 12px;
}

/* ================================================================
   Inputs & Forms
   ================================================================ */
.fl-input,
.fl-select,
.fl-textarea {
    display: block;
    width: 100%;
    height: 36px;
    padding: 0 12px;
    font-family: var(--fl-font);
    font-size: 13px;
    color: var(--fl-text);
    background: var(--fl-surface);
    border: 1px solid var(--fl-border-strong);
    border-radius: var(--fl-radius);
    outline: none;
    transition:
        border-color var(--fl-duration) var(--fl-easing),
        box-shadow var(--fl-duration) var(--fl-easing);
}

.fl-input::placeholder,
.fl-textarea::placeholder {
    color: var(--fl-text-dimmed);
}

.fl-input:hover,
.fl-select:hover,
.fl-textarea:hover {
    border-color: var(--fl-border-strong);
}

.fl-input:focus,
.fl-select:focus,
.fl-textarea:focus {
    border-color: var(--fl-accent);
    box-shadow: 0 0 0 2px var(--fl-accent-soft);
}

.fl-input-error {
    border-color: var(--fl-red) !important;
    box-shadow: 0 0 0 2px var(--fl-red-soft) !important;
}

.fl-textarea {
    height: auto;
    min-height: 80px;
    padding: 8px 12px;
    resize: vertical;
    line-height: 1.5;
}

.fl-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238C8F94' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

/* ── Form field group ── */
.fl-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.fl-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--fl-text);
}

.fl-hint {
    font-size: 12px;
    color: var(--fl-text-tertiary);
}

.fl-error-text {
    font-size: 12px;
    color: var(--fl-red);
}

/* ── Checkbox / Toggle (custom) ── */
.fl-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--fl-text);
    user-select: none;
}

.fl-checkbox input {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid var(--fl-border-strong);
    border-radius: 4px;
    background: var(--fl-surface);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: background var(--fl-duration), border-color var(--fl-duration);
}

.fl-checkbox input:checked {
    background: var(--fl-accent);
    border-color: var(--fl-accent);
}

.fl-checkbox input:checked::after {
    content: '';
    position: absolute;
    left: 4.5px;
    top: 1.5px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}

.fl-checkbox input:focus-visible {
    box-shadow: var(--fl-focus-ring);
}

/* ── Toggle Switch ── */
.fl-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--fl-text);
    user-select: none;
}

.fl-toggle input {
    appearance: none;
    width: 36px;
    height: 20px;
    border-radius: var(--fl-radius-full);
    background: var(--fl-border-strong);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: background var(--fl-duration);
}

.fl-toggle input::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0,0,0,0.15);
    transition: transform 200ms var(--fl-spring);
}

.fl-toggle input:checked {
    background: var(--fl-accent);
}

.fl-toggle input:checked::after {
    transform: translateX(16px);
}

.fl-toggle input:focus-visible {
    box-shadow: var(--fl-focus-ring);
}

/* Thumb growth on hover */
.fl-toggle:hover input::after {
    transform: scale(1.15);
}

.fl-toggle:hover input:checked::after {
    transform: translateX(16px) scale(1.15);
}

/* ================================================================
   Cards
   ================================================================ */
.fl-card {
    background: var(--fl-surface);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    padding: var(--fl-sp-6);
    transition:
        background-color var(--fl-duration) var(--fl-easing),
        border-color var(--fl-duration) var(--fl-easing);
}

.fl-card-raised {
    background: var(--fl-surface-raised);
    box-shadow: var(--fl-shadow-sm);
}

.fl-card-interactive {
    cursor: pointer;
}

.fl-card-interactive:hover {
    border-color: var(--fl-border-strong);
    box-shadow: var(--fl-shadow-sm);
}

/* ================================================================
   Badges
   ================================================================ */
.fl-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 22px;
    padding: 0 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--fl-radius-full);
    white-space: nowrap;
    line-height: 1;
}

.fl-badge-default {
    color: var(--fl-text-secondary);
    background: var(--fl-bg-inset);
}

.fl-badge-accent {
    color: var(--fl-accent-text);
    background: var(--fl-accent-soft);
}

.fl-badge-green {
    color: var(--fl-green);
    background: var(--fl-green-soft);
}

.fl-badge-red {
    color: var(--fl-red);
    background: var(--fl-red-soft);
}

.fl-badge-amber {
    color: var(--fl-amber);
    background: var(--fl-amber-soft);
}

.fl-badge-blue {
    color: var(--fl-blue);
    background: var(--fl-blue-soft);
}

/* Dot indicator (status dot before text) */
.fl-badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

/* ================================================================
   Divider
   ================================================================ */
.fl-divider {
    border: none;
    border-top: 1px solid var(--fl-border);
    margin: var(--fl-sp-4) 0;
}

/* ================================================================
   Avatar
   ================================================================ */
.fl-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--fl-accent-soft);
    color: var(--fl-accent-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
    overflow: hidden;
    user-select: none;
}

.fl-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fl-avatar-sm { width: 24px; height: 24px; font-size: 11px; }
.fl-avatar-lg { width: 40px; height: 40px; font-size: 15px; }

/* ================================================================
   Dropdown / Menu
   ================================================================ */
.fl-menu {
    position: absolute;
    z-index: 100;
    min-width: 180px;
    padding: 4px;
    background: var(--fl-surface-overlay);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    box-shadow: var(--fl-shadow-lg);
    animation: fl-menu-in 120ms var(--fl-easing);
}

@keyframes fl-menu-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-4px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.fl-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 6px 8px;
    font-family: var(--fl-font);
    font-size: 13px;
    color: var(--fl-text);
    background: transparent;
    border: none;
    border-radius: var(--fl-radius-sm);
    cursor: pointer;
    text-align: left;
    transition: background var(--fl-duration);
}

.fl-menu-item:hover, .fl-menu-item:focus-visible {
    background: var(--fl-accent);
    color: #fff;
    outline: none;
}

.fl-menu-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.7;
}

.fl-menu-item:hover svg {
    opacity: 1;
}

.fl-menu-shortcut {
    margin-left: auto;
    font-size: 12px;
    color: var(--fl-text-tertiary);
}

.fl-menu-item:hover .fl-menu-shortcut {
    color: rgba(255,255,255,0.7);
}

.fl-menu-separator {
    height: 1px;
    background: var(--fl-border);
    margin: 4px 0;
}

.fl-menu-label {
    padding: 6px 8px 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--fl-text-tertiary);
}

.fl-menu-item-danger {
    color: var(--fl-red);
}

.fl-menu-item-danger:hover {
    background: var(--fl-red);
    color: #fff;
}

/* ================================================================
   Toast
   ================================================================ */
.fl-toast {
    position: fixed;
    top: var(--fl-sp-5);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--fl-radius-lg);
    box-shadow: var(--fl-shadow-md);
    z-index: 999;
    opacity: 0;
    transition: opacity 200ms var(--fl-easing), transform 200ms var(--fl-easing);
    pointer-events: none;
    max-width: 90vw;
}

.fl-toast.visible {
    opacity: 1;
    pointer-events: auto;
}

.fl-toast-success {
    background: var(--fl-green-soft);
    border: 1px solid var(--fl-green-border);
    color: var(--fl-green);
}

.fl-toast-error {
    background: var(--fl-red-soft);
    border: 1px solid var(--fl-red-border);
    color: var(--fl-red);
}

.fl-toast-info {
    background: var(--fl-blue-soft);
    border: 1px solid var(--fl-blue-border);
    color: var(--fl-blue);
}

/* ================================================================
   Modal / Dialog
   ================================================================ */
.fl-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.50);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fl-fade-in 150ms var(--fl-easing);
}

@keyframes fl-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.fl-modal {
    background: var(--fl-surface);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-xl);
    box-shadow: var(--fl-shadow-xl);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    animation: fl-modal-in 200ms ease-out;
}

@keyframes fl-modal-in {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.fl-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--fl-sp-6) var(--fl-sp-6) 0;
}

.fl-modal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--fl-text);
}

.fl-modal-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: var(--fl-radius-sm);
    color: var(--fl-text-tertiary);
    cursor: pointer;
    transition: background var(--fl-duration), color var(--fl-duration);
}

.fl-modal-close:hover {
    background: var(--fl-bg-inset);
    color: var(--fl-text);
}

.fl-modal-body {
    padding: var(--fl-sp-4) var(--fl-sp-6);
}

.fl-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: var(--fl-sp-4) var(--fl-sp-6) var(--fl-sp-6);
}

/* ================================================================
   Kbd (keyboard shortcut)
   ================================================================ */
.fl-kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    font-family: var(--fl-font);
    font-size: 11px;
    font-weight: 500;
    color: var(--fl-text-tertiary);
    background: var(--fl-bg-inset);
    border: 1px solid var(--fl-border);
    border-radius: 4px;
    line-height: 1;
    box-shadow: 0 1px 0 var(--fl-border);
}

/* ================================================================
   Table
   ================================================================ */
.fl-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.fl-table {
    width: 100%;
    border-collapse: collapse;
}

.fl-table th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--fl-text-tertiary);
    padding: 8px 12px;
    border-bottom: 1px solid var(--fl-border);
    white-space: nowrap;
}

.fl-table td {
    padding: 10px 12px;
    font-size: 13px;
    color: var(--fl-text);
    border-bottom: 1px solid var(--fl-border-subtle);
    vertical-align: middle;
}

.fl-table tbody tr {
    transition: background-color 80ms;
}

.fl-table tbody tr:hover {
    background: var(--fl-accent-soft);
}

.fl-table tbody tr.selected {
    background: var(--fl-accent-soft);
}

.fl-table tbody tr.clickable {
    cursor: pointer;
}

/* Dense variant */
.fl-table-dense td {
    padding: 6px 12px;
}

/* ================================================================
   Pagination
   ================================================================ */
.fl-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: var(--fl-sp-4) 0;
    font-size: 13px;
    color: var(--fl-text-secondary);
}

.fl-pagination button {
    height: 32px;
    padding: 0 12px;
    background: transparent;
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    color: var(--fl-text);
    font-family: var(--fl-font);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--fl-duration), border-color var(--fl-duration);
}

.fl-pagination button:hover:not(:disabled) {
    background: var(--fl-surface-raised);
    border-color: var(--fl-border-strong);
}

.fl-pagination button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ================================================================
   Tabs
   ================================================================ */
.fl-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--fl-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.fl-tab {
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--fl-text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color var(--fl-duration), border-color var(--fl-duration);
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--fl-font);
}

.fl-tab:hover {
    color: var(--fl-text);
}

.fl-tab.active, .fl-tab[aria-selected="true"] {
    color: var(--fl-text);
    border-bottom-color: var(--fl-accent);
}

/* Pill tabs variant */
.fl-tabs-pill {
    border-bottom: none;
    gap: 4px;
    background: var(--fl-bg-inset);
    padding: 3px;
    border-radius: var(--fl-radius-lg);
    width: fit-content;
}

.fl-tabs-pill .fl-tab {
    border-bottom: none;
    margin-bottom: 0;
    border-radius: var(--fl-radius);
    padding: 6px 14px;
    font-size: 12px;
}

.fl-tabs-pill .fl-tab.active {
    background: var(--fl-surface);
    box-shadow: var(--fl-shadow-xs);
    color: var(--fl-text);
}

/* ================================================================
   Tooltip
   ================================================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--fl-surface);
    background: var(--fl-text);
    border-radius: var(--fl-radius-sm);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--fl-duration);
    z-index: 50;
}

[data-tooltip]:hover::after {
    opacity: 1;
}

/* ================================================================
   Skeleton Loading
   ================================================================ */
.fl-skeleton {
    background: var(--fl-bg-inset);
    border-radius: var(--fl-radius-sm);
    animation: fl-skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes fl-skeleton-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* ================================================================
   Scrollbar (Webkit)
   ================================================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--fl-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--fl-border-strong);
}

/* ================================================================
   Utility Classes
   ================================================================ */
.fl-text-primary   { color: var(--fl-text); }
.fl-text-secondary { color: var(--fl-text-secondary); }
.fl-text-tertiary  { color: var(--fl-text-tertiary); }
.fl-text-accent    { color: var(--fl-accent-text); }
.fl-text-red       { color: var(--fl-red); }
.fl-text-green     { color: var(--fl-green); }
.fl-text-amber     { color: var(--fl-amber); }

.fl-flex           { display: flex; }
.fl-flex-col       { display: flex; flex-direction: column; }
.fl-items-center   { align-items: center; }
.fl-justify-between { justify-content: space-between; }
.fl-gap-1 { gap: var(--fl-sp-1); }
.fl-gap-2 { gap: var(--fl-sp-2); }
.fl-gap-3 { gap: var(--fl-sp-3); }
.fl-gap-4 { gap: var(--fl-sp-4); }
.fl-gap-6 { gap: var(--fl-sp-6); }
.fl-gap-8 { gap: var(--fl-sp-8); }

.fl-w-full { width: 100%; }
.fl-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* ================================================================
   Theme Toggle Button
   ================================================================ */
.fl-theme-toggle {
    position: fixed;
    bottom: var(--fl-sp-5);
    right: var(--fl-sp-5);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--fl-surface);
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius);
    color: var(--fl-text-secondary);
    cursor: pointer;
    transition: background var(--fl-duration), border-color var(--fl-duration), color var(--fl-duration);
    z-index: 100;
    padding: 0;
    box-shadow: var(--fl-shadow-sm);
}

.fl-theme-toggle:hover {
    background: var(--fl-surface-raised);
    border-color: var(--fl-border-strong);
    color: var(--fl-text);
}

.fl-theme-toggle svg {
    width: 18px;
    height: 18px;
}

.fl-theme-toggle .fl-icon-sun  { display: none; }
.fl-theme-toggle .fl-icon-moon { display: block; }

[data-theme="dark"] .fl-theme-toggle .fl-icon-sun  { display: block; }
[data-theme="dark"] .fl-theme-toggle .fl-icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .fl-theme-toggle .fl-icon-sun  { display: block; }
    :root:not([data-theme="light"]) .fl-theme-toggle .fl-icon-moon { display: none; }
}

/* ================================================================
   OKLCH Color System — Progressive Enhancement
   Overrides hex tokens with perceptually uniform OKLCH.
   Accent colors derive from --fl-hue so apps can brand with one override.
   ================================================================ */
@supports (color: oklch(0 0 0)) {
    :root {
        /* ── Surfaces ── */
        --fl-bg:             oklch(0.975 0.002 265);
        --fl-bg-inset:       oklch(0.950 0 0);
        --fl-surface:        oklch(1 0 0);
        --fl-surface-raised: oklch(1 0 0);
        --fl-surface-overlay:oklch(1 0 0);

        /* ── Borders ── */
        --fl-border:         oklch(0 0 0 / 0.08);
        --fl-border-strong:  oklch(0 0 0 / 0.14);
        --fl-border-subtle:  oklch(0 0 0 / 0.05);

        /* ── Text ── */
        --fl-text:           oklch(0.20 0.01 265);
        --fl-text-secondary: oklch(0.52 0.01 265);
        --fl-text-tertiary:  oklch(0.64 0.01 265);
        --fl-text-dimmed:    oklch(0.76 0.01 265);

        /* ── Accent (derived from --fl-hue) ── */
        --fl-accent:         oklch(0.58 0.19 var(--fl-hue));
        --fl-accent-hover:   oklch(0.52 0.21 var(--fl-hue));
        --fl-accent-soft:    oklch(0.58 0.19 var(--fl-hue) / 0.08);
        --fl-accent-text:    oklch(0.48 0.18 var(--fl-hue));

        /* ── Status (muted, premium) ── */
        --fl-red:            oklch(0.56 0.15 22);
        --fl-red-soft:       oklch(0.56 0.15 22 / 0.06);
        --fl-red-border:     oklch(0.56 0.15 22 / 0.18);
        --fl-green:          oklch(0.55 0.12 155);
        --fl-green-soft:     oklch(0.55 0.12 155 / 0.06);
        --fl-green-border:   oklch(0.55 0.12 155 / 0.18);
        --fl-amber:          oklch(0.70 0.12 68);
        --fl-amber-soft:     oklch(0.70 0.12 68 / 0.08);
        --fl-amber-border:   oklch(0.70 0.12 68 / 0.22);
        --fl-blue:           oklch(0.56 0.14 250);
        --fl-blue-soft:      oklch(0.56 0.14 250 / 0.06);
        --fl-blue-border:    oklch(0.56 0.14 250 / 0.18);
    }

    [data-theme="dark"] {
        --fl-bg:             oklch(0.15 0.005 265);
        --fl-bg-inset:       oklch(0.12 0.005 265);
        --fl-surface:        oklch(0.19 0.005 265);
        --fl-surface-raised: oklch(0.23 0.005 265);
        --fl-surface-overlay:oklch(0.26 0.005 265);

        --fl-border:         oklch(1 0 0 / 0.08);
        --fl-border-strong:  oklch(1 0 0 / 0.14);
        --fl-border-subtle:  oklch(1 0 0 / 0.04);

        --fl-text:           oklch(0.95 0.005 265);
        --fl-text-secondary: oklch(0.72 0.015 265);
        --fl-text-tertiary:  oklch(0.52 0.01 265);
        --fl-text-dimmed:    oklch(0.38 0.005 265);

        --fl-accent:         oklch(0.70 0.16 var(--fl-hue));
        --fl-accent-hover:   oklch(0.75 0.15 var(--fl-hue));
        --fl-accent-soft:    oklch(0.70 0.16 var(--fl-hue) / 0.12);
        --fl-accent-text:    oklch(0.78 0.13 var(--fl-hue));

        --fl-red-soft:       oklch(0.56 0.15 22 / 0.10);
        --fl-red-border:     oklch(0.56 0.15 22 / 0.22);
        --fl-green-soft:     oklch(0.55 0.12 155 / 0.10);
        --fl-green-border:   oklch(0.55 0.12 155 / 0.22);
        --fl-amber-soft:     oklch(0.70 0.12 68 / 0.10);
        --fl-amber-border:   oklch(0.70 0.12 68 / 0.22);
        --fl-blue-soft:      oklch(0.56 0.14 250 / 0.10);
        --fl-blue-border:    oklch(0.56 0.14 250 / 0.22);
    }

    @media (prefers-color-scheme: dark) {
        :root:not([data-theme="light"]) {
            --fl-bg:             oklch(0.15 0.005 265);
            --fl-bg-inset:       oklch(0.12 0.005 265);
            --fl-surface:        oklch(0.19 0.005 265);
            --fl-surface-raised: oklch(0.23 0.005 265);
            --fl-surface-overlay:oklch(0.26 0.005 265);

            --fl-border:         oklch(1 0 0 / 0.08);
            --fl-border-strong:  oklch(1 0 0 / 0.14);
            --fl-border-subtle:  oklch(1 0 0 / 0.04);

            --fl-text:           oklch(0.95 0.005 265);
            --fl-text-secondary: oklch(0.72 0.015 265);
            --fl-text-tertiary:  oklch(0.52 0.01 265);
            --fl-text-dimmed:    oklch(0.38 0.005 265);

            --fl-accent:         oklch(0.70 0.16 var(--fl-hue));
            --fl-accent-hover:   oklch(0.75 0.15 var(--fl-hue));
            --fl-accent-soft:    oklch(0.70 0.16 var(--fl-hue) / 0.12);
            --fl-accent-text:    oklch(0.78 0.13 var(--fl-hue));

            --fl-red-soft:       oklch(0.56 0.15 22 / 0.10);
            --fl-red-border:     oklch(0.56 0.15 22 / 0.22);
            --fl-green-soft:     oklch(0.55 0.12 155 / 0.10);
            --fl-green-border:   oklch(0.55 0.12 155 / 0.22);
            --fl-amber-soft:     oklch(0.70 0.12 68 / 0.10);
            --fl-amber-border:   oklch(0.70 0.12 68 / 0.22);
            --fl-blue-soft:      oklch(0.56 0.14 250 / 0.10);
            --fl-blue-border:    oklch(0.56 0.14 250 / 0.22);
        }
    }
}

/* ================================================================
   Shape System — Pill Mode
   Add data-shape="pill" to <html> or any container.
   ================================================================ */
[data-shape="pill"] {
    --fl-radius-sm:  12px;
    --fl-radius:     20px;
    --fl-radius-lg:  24px;
    --fl-radius-xl:  24px;
}

/* ================================================================
   App Sidebar — Linear-style miniature left nav
   Set --app-hue on each instance for brand color.
   ================================================================ */
.fl-app-sidebar {
    display: flex;
    flex-direction: column;
    padding: var(--fl-sp-3);
    border-radius: var(--fl-radius);
    background: var(--fl-surface);
    border: 1px solid var(--fl-border);
    gap: 2px;
    min-width: 0;
}

.fl-app-sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--fl-sp-2);
    padding: var(--fl-sp-1) var(--fl-sp-2);
    margin-bottom: var(--fl-sp-1);
}

.fl-app-sidebar-brand-dot {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background: oklch(0.55 0.20 var(--app-hue));
    flex-shrink: 0;
}

.fl-app-sidebar-brand-name {
    font-weight: 700;
    font-size: 13px;
    color: var(--fl-text);
    letter-spacing: -0.01em;
}

.fl-app-sidebar-section {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fl-text-dimmed);
    padding: var(--fl-sp-2) var(--fl-sp-2) var(--fl-sp-1);
}

.fl-app-sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--fl-sp-2);
    padding: 0 var(--fl-sp-2);
    height: 28px;
    border-radius: 0;
    font-size: 13px;
    color: var(--fl-text-secondary);
    position: relative;
    cursor: default;
    transition: background 80ms ease, color 80ms ease;
}

.fl-app-sidebar-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.55;
    stroke: currentColor;
}

.fl-app-sidebar-item:hover {
    background: var(--fl-border-subtle);
    color: var(--fl-text);
}

.fl-app-sidebar-item:hover svg {
    opacity: 0.8;
}

.fl-app-sidebar-item.active {
    background: oklch(0.55 0.20 var(--app-hue) / 0.08);
    color: var(--fl-text);
    font-weight: 500;
}

.fl-app-sidebar-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    border-radius: 2px;
    background: oklch(0.55 0.20 var(--app-hue));
}

.fl-app-sidebar-item.active svg {
    opacity: 1;
    color: oklch(0.55 0.20 var(--app-hue));
}

/* Dark mode */
[data-theme="dark"] .fl-app-sidebar-brand-dot {
    background: oklch(0.72 0.17 var(--app-hue));
}

[data-theme="dark"] .fl-app-sidebar-item.active {
    background: oklch(1 0 0 / 0.06);
}

[data-theme="dark"] .fl-app-sidebar-item.active::before {
    background: oklch(0.72 0.17 var(--app-hue));
}

[data-theme="dark"] .fl-app-sidebar-item.active svg {
    color: oklch(0.72 0.17 var(--app-hue));
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .fl-app-sidebar-brand-dot {
        background: oklch(0.72 0.17 var(--app-hue));
    }
    :root:not([data-theme="light"]) .fl-app-sidebar-item.active {
        background: oklch(1 0 0 / 0.06);
    }
    :root:not([data-theme="light"]) .fl-app-sidebar-item.active::before {
        background: oklch(0.72 0.17 var(--app-hue));
    }
    :root:not([data-theme="light"]) .fl-app-sidebar-item.active svg {
        color: oklch(0.72 0.17 var(--app-hue));
    }
}

/* ================================================================
   Radio Card Group — Plan / Pricing Selector
   ================================================================ */
.fl-radio-card-group {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg);
    overflow: hidden;
    position: relative;
}

.fl-radio-card {
    display: flex;
    align-items: center;
    gap: var(--fl-sp-3);
    padding: var(--fl-sp-4) var(--fl-sp-5);
    background: var(--fl-surface);
    border-bottom: 1px solid var(--fl-border);
    cursor: pointer;
    transition:
        background-color 80ms ease,
        border-color 80ms ease;
    user-select: none;
}

.fl-radio-card:last-child {
    border-bottom: none;
}

.fl-radio-card:hover {
    background: var(--fl-bg-inset);
}

.fl-radio-card.selected {
    background: var(--fl-accent-soft);
    border-color: var(--fl-accent-soft);
}

/* ── Radio Dot (animated) ── */
.fl-radio-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--fl-border-strong);
    flex-shrink: 0;
    position: relative;
    transition: border-color 80ms ease;
}

.fl-radio-dot::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--fl-accent);
    transform: scale(0);
    transition: transform 200ms var(--fl-spring);
}

.fl-radio-card.selected .fl-radio-dot {
    border-color: var(--fl-accent);
}

.fl-radio-card.selected .fl-radio-dot::after {
    transform: scale(1);
}

/* ── Radio Card Content ── */
.fl-radio-card-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--fl-sp-3);
    min-width: 0;
}

.fl-radio-card-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--fl-text);
    display: flex;
    align-items: center;
    gap: var(--fl-sp-2);
}

.fl-radio-card-price {
    font-size: 14px;
    font-weight: 500;
    color: var(--fl-text-secondary);
    white-space: nowrap;
}

/* ── Plan Badge ── */
.fl-plan-badge {
    display: inline-flex;
    align-items: center;
    height: 20px;
    padding: 0 8px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--fl-radius-full);
    line-height: 1;
}

.fl-plan-badge-current {
    color: var(--fl-accent-text);
    background: var(--fl-accent-soft);
}

.fl-plan-badge-popular {
    color: var(--fl-amber);
    background: var(--fl-amber-soft);
}

/* ================================================================
   Billing Toggle Row
   ================================================================ */
.fl-billing-toggle {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--fl-sp-4);
    padding: var(--fl-sp-4) 0;
}

.fl-billing-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--fl-text);
}

.fl-billing-sub {
    font-size: 12px;
    color: var(--fl-text-tertiary);
    margin-top: 2px;
}

/* ================================================================
   CTA Button — Full-width Pill
   ================================================================ */
.fl-btn-cta {
    width: 100%;
    height: 48px;
    padding: 0 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--fl-radius-full);
    background: var(--fl-accent);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--fl-font);
    transition:
        opacity 80ms ease,
        transform 80ms ease;
}

.fl-btn-cta:hover {
    opacity: 0.9;
}

.fl-btn-cta:active {
    opacity: 0.8;
    transform: scale(0.98);
}

/* ================================================================
   Feature List — Icon + Title + Description
   ================================================================ */
.fl-feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--fl-sp-5);
}

.fl-feature-item {
    display: flex;
    gap: var(--fl-sp-4);
    align-items: flex-start;
}

.fl-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--fl-radius-lg);
    background: var(--fl-accent-soft);
    color: var(--fl-accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fl-feature-icon svg {
    width: 20px;
    height: 20px;
}

.fl-feature-content {
    flex: 1;
    min-width: 0;
}

.fl-feature-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--fl-text);
    margin-bottom: 2px;
}

.fl-feature-desc {
    font-size: 13px;
    color: var(--fl-text-secondary);
    line-height: 1.5;
}

/* ================================================================
   Testimonial Card
   ================================================================ */
.fl-testimonial {
    background: var(--fl-bg-inset);
    border-radius: var(--fl-radius-xl);
    padding: var(--fl-sp-6);
    position: relative;
}

.fl-testimonial-quote-icon {
    font-size: 48px;
    line-height: 1;
    color: var(--fl-text-dimmed);
    opacity: 0.3;
    margin-bottom: var(--fl-sp-2);
    user-select: none;
}

.fl-testimonial-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--fl-text);
    margin-bottom: var(--fl-sp-4);
    font-style: italic;
}

.fl-testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--fl-sp-3);
}

.fl-testimonial-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--fl-text);
}

.fl-testimonial-role {
    font-size: 12px;
    color: var(--fl-text-tertiary);
}

/* ================================================================
   Trust Row — Overlapping Avatars + Rating
   ================================================================ */
.fl-trust-row {
    display: flex;
    align-items: center;
    gap: var(--fl-sp-3);
}

.fl-trust-avatars {
    display: flex;
}

.fl-trust-avatars .fl-avatar {
    border: 2px solid var(--fl-surface);
    margin-left: -8px;
}

.fl-trust-avatars .fl-avatar:first-child {
    margin-left: 0;
}

.fl-trust-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--fl-text);
}

.fl-trust-rating svg {
    width: 14px;
    height: 14px;
    color: var(--fl-amber);
    fill: var(--fl-amber);
}

.fl-trust-text {
    font-size: 13px;
    color: var(--fl-text-secondary);
}

/* ================================================================
   Proximity Table — Floating Row Highlight
   ================================================================ */
.fl-table-proximity {
    position: relative;
}

.fl-table-hover-bg {
    position: absolute;
    left: 0;
    right: 0;
    height: 0;
    background: var(--fl-accent-soft);
    border-radius: var(--fl-radius);
    pointer-events: none;
    opacity: 0;
    transition:
        top 120ms ease,
        height 120ms ease,
        opacity 80ms ease;
    z-index: 0;
}

.fl-table-hover-bg.visible {
    opacity: 1;
}

/* Disable default tr hover when proximity is active */
.fl-table-proximity .fl-table tbody tr:hover {
    background: transparent;
}

.fl-table-proximity .fl-table tbody tr {
    position: relative;
    z-index: 1;
}

/* ================================================================
   Animated Radio Group (Standalone)
   ================================================================ */
.fl-radio-group {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.fl-radio-option {
    display: flex;
    align-items: center;
    gap: var(--fl-sp-3);
    padding: var(--fl-sp-3) var(--fl-sp-4);
    cursor: pointer;
    border-radius: var(--fl-radius);
    transition: background-color 80ms ease;
    user-select: none;
    position: relative;
    z-index: 1;
}

.fl-radio-option:hover {
    background: var(--fl-bg-inset);
}

.fl-radio-option input[type="radio"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--fl-border-strong);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    transition: border-color 80ms ease;
}

.fl-radio-option input[type="radio"]::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--fl-accent);
    transform: scale(0.3);
    opacity: 0;
    transition: transform 200ms var(--fl-spring), opacity 80ms ease;
}

.fl-radio-option input[type="radio"]:checked {
    border-color: var(--fl-accent);
}

.fl-radio-option input[type="radio"]:checked::after {
    transform: scale(1);
    opacity: 1;
}

.fl-radio-option-label {
    font-size: 14px;
    font-weight: 400;
    color: var(--fl-text);
    transition: font-weight 80ms ease;
}

.fl-radio-option input[type="radio"]:checked ~ .fl-radio-option-label {
    font-weight: 600;
}

/* Sliding selection highlight (JS-driven) */
.fl-radio-group-highlight {
    position: absolute;
    left: 0;
    right: 0;
    background: var(--fl-accent-soft);
    border-radius: var(--fl-radius);
    transition:
        top 200ms var(--fl-spring),
        height 200ms var(--fl-spring);
    pointer-events: none;
    z-index: 0;
}

/* ================================================================
   Button Loading State
   ================================================================ */
.fl-btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.fl-btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: fl-spin 600ms linear infinite;
}

.fl-btn-primary.fl-btn-loading::after {
    border-color: rgba(255,255,255,0.4);
    border-right-color: transparent;
}