/* ==========================================================================
   Zenvyra — "Indigo & Ink" Design System
   A private, client-side URL shortener styled like a claim ticket / stub:
   long links go in, a small torn-off stub comes back out.
   ========================================================================== */

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

:root {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    color: var(--color-text);
    transition: background-color 0.4s ease, color 0.3s ease;
    position: relative;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; color: inherit; }
input, select, textarea { font: inherit; border: none; outline: none; color: inherit; }
select { cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); }

/* --- Custom Scrollbar ------------------------------------------------------*/
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border-radius: 4px; background: var(--color-border); }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-tertiary); }

/* --- Selection --------------------------------------------------------- */
::selection { background: var(--color-primary); color: #fff; }
::-moz-selection { background: var(--color-primary); color: #fff; }

/* --- Accessibility: focus & motion -------------------------------------- */
:focus { outline: none; }
:focus-visible {
    outline: 2.5px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* --- Fonts --------------------------------------------------------------*/
:root {
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

/* --- CSS Custom Properties — Light ("Paper") ---------------------------- */
:root {
    --color-bg: #F6F3EE;
    --color-bg-secondary: #EBE5DA;
    --color-surface: rgba(255, 255, 255, 0.74);
    --color-surface-solid: #FFFDF8;
    --color-surface-hover: rgba(255, 255, 255, 0.96);
    --color-border: rgba(32, 27, 18, 0.13);
    --color-border-focus: #6366f1;
    --color-text: #1E1B2E;
    --color-text-secondary: #565069;
    --color-text-tertiary: #8E87A0;
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-subtle: rgba(99, 102, 241, 0.10);
    --color-primary-glow: rgba(99, 102, 241, 0.28);
    --color-accent: #8b5cf6;
    --color-accent-subtle: rgba(139, 92, 246, 0.10);
    --color-success: #7c3aed;
    --color-success-subtle: rgba(124, 58, 237, 0.10);
    --color-error: #4c1d95;
    --color-error-subtle: rgba(76, 29, 149, 0.10);
    --color-warning: #8b5cf6;
    --color-warning-subtle: rgba(139, 92, 246, 0.10);
    --shadow-sm: 0 1px 3px rgba(32,27,18,0.09), 0 1px 2px rgba(32,27,18,0.05);
    --shadow-md: 0 6px 22px rgba(32,27,18,0.09), 0 2px 8px rgba(32,27,18,0.05);
    --shadow-lg: 0 16px 48px rgba(32,27,18,0.12), 0 4px 18px rgba(32,27,18,0.06);
    --shadow-glow: 0 6px 28px var(--color-primary-glow);
    --glass-bg: rgba(255, 255, 255, 0.62);
    --glass-border: rgba(255, 255, 255, 0.85);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 26px;
    --color-overlay: rgba(24, 20, 12, 0.45);
    --color-orb-1: rgba(99, 102, 241, 0.08);
    --color-orb-2: rgba(139, 92, 246, 0.06);
    --color-orb-3: rgba(99, 102, 241, 0.04);
    --gradient-hero: linear-gradient(160deg, rgba(99,102,241,0.07) 0%, var(--color-bg) 42%, rgba(139,92,246,0.06) 100%);
    --grain-opacity: 0.05;
}

/* --- CSS Custom Properties — Dark ("Ink") ------------------------------- */
:root[data-theme="dark"] {
    --color-bg: #0f0f1a;
    --color-bg-secondary: #181828;
    --color-surface: rgba(30, 33, 44, 0.72);
    --color-surface-solid: #1C1E30;
    --color-surface-hover: rgba(40, 44, 57, 0.96);
    --color-border: rgba(255, 255, 255, 0.10);
    --color-border-focus: #818cf8;
    --color-text: #E8E6F0;
    --color-text-secondary: #A8A4BD;
    --color-text-tertiary: #75708C;
    --color-primary: #818cf8;
    --color-primary-hover: #a5b4fc;
    --color-primary-subtle: rgba(129, 140, 248, 0.14);
    --color-primary-glow: rgba(129, 140, 248, 0.32);
    --color-accent: #a78bfa;
    --color-accent-subtle: rgba(167, 139, 250, 0.14);
    --color-success: #a78bfa;
    --color-success-subtle: rgba(167, 139, 250, 0.14);
    --color-error: #7c3aed;
    --color-error-subtle: rgba(124, 58, 237, 0.14);
    --color-warning: #c4b5fd;
    --color-warning-subtle: rgba(196, 181, 253, 0.14);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.35), 0 1px 2px rgba(0,0,0,0.22);
    --shadow-md: 0 6px 22px rgba(0,0,0,0.38), 0 2px 10px rgba(0,0,0,0.26);
    --shadow-lg: 0 20px 56px rgba(0,0,0,0.5), 0 6px 22px rgba(0,0,0,0.32);
    --shadow-glow: 0 6px 30px var(--color-primary-glow);
    --glass-bg: rgba(28, 31, 41, 0.62);
    --glass-border: rgba(255, 255, 255, 0.08);
    --color-overlay: rgba(4, 5, 8, 0.62);
    --color-orb-1: rgba(129, 140, 248, 0.10);
    --color-orb-2: rgba(167, 139, 250, 0.07);
    --color-orb-3: rgba(129, 140, 248, 0.05);
    --gradient-hero: linear-gradient(160deg, rgba(129,140,248,0.10) 0%, var(--color-bg) 42%, rgba(167,139,250,0.08) 100%);
    --grain-opacity: 0.07;
}

/* Respect system preference before JS applies a saved choice */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]):not([data-theme="dark"]) {
        --color-bg: #0f0f1a;
        --color-bg-secondary: #181828;
        --color-surface: rgba(30, 33, 44, 0.72);
        --color-surface-solid: #1C1E30;
        --color-surface-hover: rgba(40, 44, 57, 0.96);
        --color-border: rgba(255, 255, 255, 0.10);
        --color-border-focus: #818cf8;
        --color-text: #E8E6F0;
        --color-text-secondary: #A8A4BD;
        --color-text-tertiary: #75708C;
        --color-primary: #818cf8;
        --color-primary-hover: #a5b4fc;
        --color-primary-subtle: rgba(129, 140, 248, 0.14);
        --color-primary-glow: rgba(129, 140, 248, 0.32);
        --color-accent: #a78bfa;
        --color-accent-subtle: rgba(167, 139, 250, 0.14);
        --color-success: #a78bfa;
        --color-success-subtle: rgba(167, 139, 250, 0.14);
        --color-error: #7c3aed;
        --color-error-subtle: rgba(124, 58, 237, 0.14);
        --color-warning: #c4b5fd;
        --color-warning-subtle: rgba(196, 181, 253, 0.14);
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.35), 0 1px 2px rgba(0,0,0,0.22);
        --shadow-md: 0 6px 22px rgba(0,0,0,0.38), 0 2px 10px rgba(0,0,0,0.26);
        --shadow-lg: 0 20px 56px rgba(0,0,0,0.5), 0 6px 22px rgba(0,0,0,0.32);
        --shadow-glow: 0 6px 30px var(--color-primary-glow);
        --glass-bg: rgba(28, 31, 41, 0.62);
        --glass-border: rgba(255, 255, 255, 0.08);
        --color-overlay: rgba(4, 5, 8, 0.62);
        --color-orb-1: rgba(129, 140, 248, 0.10);
        --color-orb-2: rgba(167, 139, 250, 0.07);
        --color-orb-3: rgba(129, 140, 248, 0.05);
        --gradient-hero: linear-gradient(160deg, rgba(129,140,248,0.10) 0%, var(--color-bg) 42%, rgba(167,139,250,0.08) 100%);
        --grain-opacity: 0.07;
    }
}

/* --- Background ambient orbs + paper grain ------------------------------ */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        radial-gradient(620px 620px at 15% 8%, var(--color-orb-1), transparent 70%),
        radial-gradient(520px 520px at 85% 15%, var(--color-orb-2), transparent 70%),
        radial-gradient(420px 420px at 50% 85%, var(--color-orb-3), transparent 70%);
    transition: background 0.4s ease;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: var(--grain-opacity);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    mix-blend-mode: multiply;
    transition: opacity 0.4s ease;
}

:root[data-theme="dark"] body::after { mix-blend-mode: overlay; }

/* --- Animations ---------------------------------------------------------*/
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInScale { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
@keyframes glowPulse { 0%, 100% { box-shadow: 0 0 20px var(--color-primary-glow); } 50% { box-shadow: 0 0 40px var(--color-primary-glow); } }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOutRight { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes rippleAnim { to { width: 300px; height: 300px; opacity: 0; } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes stampIn { 0% { opacity: 0; transform: scale(1.6) rotate(-8deg); } 60% { opacity: 1; } 100% { opacity: 1; transform: scale(1) rotate(-8deg); } }

/* --- Utility Classes ------------------------------------------------------*/
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
}

/* --- Layout ---------------------------------------------------------------*/
.container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* --- Theme toggle ---------------------------------------------------------*/
.theme-toggle {
    position: relative;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: background 0.2s, color 0.2s, transform 0.2s;
}

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

.theme-toggle svg { position: absolute; transition: opacity 0.25s ease, transform 0.4s cubic-bezier(0.34,1.56,0.64,1); }
.theme-toggle .icon-sun { opacity: 0; transform: scale(0.5) rotate(-90deg); }
.theme-toggle .icon-moon { opacity: 1; transform: scale(1) rotate(0); }
:root[data-theme="dark"] .theme-toggle .icon-sun { opacity: 1; transform: scale(1) rotate(0); }
:root[data-theme="dark"] .theme-toggle .icon-moon { opacity: 0; transform: scale(0.5) rotate(90deg); }

/* --- Header -----------------------------------------------------------*/
.header {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--color-text);
    letter-spacing: -0.02em;
    transition: opacity 0.2s;
}

.logo:hover { opacity: 0.85; }

.logo__icon {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    border: 1px solid var(--color-primary-glow);
    border-radius: 9px;
    flex-shrink: 0;
}

.logo__icon svg { width: 18px; height: 18px; }

.logo__text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

/* Text nav links (Home / Features / FAQ) collapse on small screens;
   icon buttons and the primary CTA always stay visible. */
@media (max-width: 640px) {
    .header__nav-link { display: none; }
}

.skip-link {
    position: absolute;
    left: 12px;
    top: -48px;
    z-index: 1200;
    background: var(--color-primary);
    color: #fff;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

/* --- Buttons ------------------------------------------------------------*/
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    font-family: var(--font-body);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.15s;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: #FFFDF8;
    box-shadow: 0 2px 14px var(--color-primary-glow);
}

.btn--primary:hover { box-shadow: 0 6px 22px var(--color-primary-glow); }
.btn--primary:active { box-shadow: 0 2px 10px var(--color-primary-glow); }

.btn--secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn--secondary:hover { background: var(--color-surface-hover); border-color: var(--color-primary); }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
}

.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 4px;
}

.btn--ghost {
    color: var(--color-text-secondary);
    padding: 8px;
    border-radius: var(--radius-sm);
}

.btn--ghost:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.btn--icon { width: 38px; height: 38px; padding: 0; }
.btn--small { padding: 6px 12px; font-size: 0.8rem; }
.btn--danger { color: var(--color-error); }
.btn--danger:hover { background: var(--color-error-subtle); }
.btn--success { color: var(--color-success); }
.btn--success:hover { background: var(--color-success-subtle); }

/* --- Button Ripple --------------------------------------------------------*/
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    pointer-events: none;
    animation: rippleAnim 0.5s ease-out;
}

/* --- Scroll-Reveal ----------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal--visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Main Content ---------------------------------------------------------*/
#app { flex: 1; padding: 40px 0 60px; transition: background 0.3s ease; }
#app > section { animation: fadeInUp 0.4s ease; }

/* --- Hero (App) -------------------------------------------------------- */
.hero {
    text-align: center;
    padding: 44px 24px 48px;
    background: var(--gradient-hero);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(300px 300px at 30% 20%, var(--color-primary-subtle), transparent 70%),
        radial-gradient(300px 300px at 70% 80%, var(--color-accent-subtle), transparent 70%);
    pointer-events: none;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--color-primary-subtle);
    color: var(--color-primary-hover);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
    border: 1px solid var(--color-primary-glow);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 5vw, 2.9rem);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.hero__title-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 6s ease infinite;
}

.hero__subtitle {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 32px;
    line-height: 1.65;
    position: relative;
    z-index: 1;
}

/* --- Form -----------------------------------------------------------------*/
.form-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    max-width: 640px;
    margin: 0 auto;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    z-index: 1;
    transition: box-shadow 0.3s ease;
}

.form-card:focus-within { box-shadow: var(--shadow-md), 0 0 0 1px var(--color-primary-glow); }

.form-group { display: flex; flex-direction: column; gap: 12px; }
.form-row { position: relative; display: flex; gap: 8px; flex-wrap: wrap; }

.form-input {
    flex: 1;
    min-width: 0;
    padding: 12px 16px;
    background: color-mix(in srgb, var(--color-bg) 60%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.925rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-input::placeholder { color: var(--color-text-tertiary); }

.form-input:focus {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
    background: var(--color-surface);
}

.form-input--error { border-color: var(--color-error); }
.form-input--error:focus { box-shadow: 0 0 0 3px var(--color-error-subtle); }

.form-expandable {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s ease, opacity 0.35s ease, margin 0.35s ease;
    opacity: 0;
}
.form-expandable--open { max-height: 100px; opacity: 1; }

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    display: block;
    margin-bottom: 6px;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    font-size: 0.8rem;
    flex-wrap: wrap;
    gap: 8px;
}

.form-options-toggle {
    color: var(--color-text-tertiary);
    font-size: 0.8rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}
.form-options-toggle:hover { color: var(--color-primary); }

.form-error {
    font-size: 0.8rem;
    color: var(--color-error);
    min-height: 20px;
    margin-top: 4px;
    transition: opacity 0.2s;
}

/* --- Stats ------------------------------------------------------------- */
.stats {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 24px 0 4px;
    position: relative;
    z-index: 1;
}

.stat { display: flex; flex-direction: column; align-items: center; padding: 0 8px; }

.stat__value {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.stat__label {
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 2px;
}

/* --- Section ------------------------------------------------------------*/
.section { margin-top: 44px; }
.section__header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.section__title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--color-text); }

.section__count {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-text-tertiary);
    font-weight: 500;
    padding: 4px 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
}

/* --- Empty State ----------------------------------------------------------*/
.empty-state {
    text-align: center;
    padding: 56px 20px;
    background: var(--color-surface);
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: border-color 0.2s;
}

.empty-state__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    border-radius: 14px;
    border: 1px solid var(--color-primary-glow);
}

.empty-state__title { font-size: 1rem; font-weight: 600; color: var(--color-text-secondary); margin-bottom: 8px; }
.empty-state__text { font-size: 0.85rem; color: var(--color-text-tertiary); max-width: 300px; margin: 0 auto; line-height: 1.6; }

/* --- Link Card ("ticket stub") ---------------------------------------------
   Signature component: the divider between a link's info and its actions
   is styled as a die-cut ticket perforation — the tear-line on a claim stub.
--------------------------------------------------------------------------- */
.link-list { display: flex; flex-direction: column; gap: 14px; }

.link-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 20px 16px 18px;
    display: flex;
    align-items: center;
    gap: 18px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeInUp 0.35s ease both;
    position: relative;
}

.link-card:nth-child(1) { animation-delay: 0s; }
.link-card:nth-child(2) { animation-delay: 0.05s; }
.link-card:nth-child(3) { animation-delay: 0.1s; }
.link-card:nth-child(4) { animation-delay: 0.15s; }
.link-card:nth-child(5) { animation-delay: 0.2s; }

.link-card:hover {
    border-color: var(--color-primary-glow);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.link-card__content { flex: 1; min-width: 0; }

.link-card__original {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.link-card__short {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-mono);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-primary);
}

.link-card__short::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success);
    flex-shrink: 0;
    box-shadow: 0 0 0 3px var(--color-success-subtle);
}

.link-card__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.link-card__status {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
}
.link-card__status--active { background: var(--color-success-subtle); color: var(--color-success); }
.link-card__status--expired { background: var(--color-warning-subtle); color: var(--color-warning); }

/* the perforated tear-line + actions "counterfoil" */
.link-card__actions {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
    position: relative;
    padding-left: 18px;
    border-left: 2px dashed var(--color-border);
}

.link-card__actions::before,
.link-card__actions::after {
    content: '';
    position: absolute;
    left: -8px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
}
.link-card__actions::before { top: -9px; }
.link-card__actions::after { bottom: -9px; }

.link-card__dot { color: var(--color-text-tertiary); font-weight: 600; }

/* --- Highlight Animation ------------------------------------------------- */
@keyframes highlightPulse {
    0%   { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-subtle); }
    70%  { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-subtle); }
    100% { border-color: var(--color-border); box-shadow: none; }
}
.link-card--highlight { animation: highlightPulse 2s ease; }

/* --- Toast ----------------------------------------------------------------*/
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    min-width: 280px;
    max-width: 400px;
}

.toast--success { border-left: 3px solid var(--color-success); }
.toast--error { border-left: 3px solid var(--color-error); }
.toast--info { border-left: 3px solid var(--color-primary); }
.toast__icon { font-size: 1.1rem; }
.toast__text { flex: 1; }

.toast__action {
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 5px 14px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
    flex-shrink: 0;
}
.toast__action:hover { background: var(--color-primary-hover); }
.toast--removing { animation: slideOutRight 0.25s ease forwards; }

/* --- Modal ------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--color-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    padding: 20px;
}
.modal-overlay--open, .modal-overlay.is-open { opacity: 1; pointer-events: auto; }

.modal {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 380px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg), 0 0 60px var(--color-primary-subtle);
    transform: scale(0.92);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay--open .modal, .modal-overlay.is-open .modal { transform: scale(1); }
.modal--qr { max-width: 360px; }
.modal--notif { max-width: 400px; text-align: left; }

.modal__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; gap: 12px; }
.modal__title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--color-text); }

.modal__close {
    color: var(--color-text-tertiary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
}
.modal__close:hover { background: var(--color-surface-hover); color: var(--color-text); }

.modal__body { display: flex; justify-content: center; margin-bottom: 16px; min-height: 210px; align-items: center; }
.modal--notif .modal__body { min-height: 0; margin-bottom: 0; display: block; max-height: 60vh; overflow-y: auto; }
.modal__url { font-size: 0.8rem; color: var(--color-text-tertiary); word-break: break-all; margin-top: 8px; line-height: 1.5; }
.modal__footer { margin-top: 4px; }

.qr-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px;
    border-radius: 16px;
    background: #ffffff;
    box-shadow:
        0 0 0 2px var(--color-surface),
        0 0 0 4px var(--color-primary-subtle),
        0 8px 32px rgba(0,0,0,0.12);
    max-width: 100%;
    box-sizing: border-box;
}
.qr-wrapper canvas, .qr-wrapper img { display: block; max-width: 100%; height: auto; border-radius: 6px; }
.qr-placeholder { color: var(--color-text-tertiary); font-size: 0.85rem; }
.btn--qr { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }

/* --- Not Found Page ------------------------------------------------------*/
.not-found { text-align: center; padding: 100px 20px; }
.not-found__code {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
}
.not-found__title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--color-text); margin-bottom: 10px; }
.not-found__text { color: var(--color-text-secondary); margin-bottom: 28px; font-size: 0.9rem; max-width: 400px; margin-left: auto; margin-right: auto; }

/* --- Redirect Page --------------------------------------------------------*/
.redirect { text-align: center; padding: 120px 20px; }
.redirect__spinner {
    width: 44px; height: 44px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 24px;
}
.redirect__title { font-size: 1.1rem; font-weight: 600; color: var(--color-text); margin-bottom: 8px; }
.redirect__url { font-size: 0.85rem; color: var(--color-text-tertiary); word-break: break-all; max-width: 400px; margin: 0 auto; }
.redirect__fallback { margin-top: 24px; font-size: 0.85rem; color: var(--color-text-tertiary); }
.redirect__link { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.redirect__link:hover { color: var(--color-primary-hover); }

/* --- Footer -----------------------------------------------------------*/
.footer { padding: 28px 0; border-top: 1px solid var(--color-border); transition: border-color 0.3s ease; }
.footer__inner { display: flex; flex-direction: column; gap: 4px; text-align: center; }
.footer__text { font-size: 0.8rem; color: var(--color-text-tertiary); }
.footer__text--small { font-size: 0.75rem; }
.footer__text--credit { margin-top: 4px; }
.footer__dot { margin: 0 6px; }
.footer__link { color: var(--color-text-secondary); font-weight: 500; transition: color 0.2s; }
.footer__link:hover { color: var(--color-primary); }

/* --- Floating Social / Notif Icons -----------------------------------------*/
.social-floating {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-floating__link {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: var(--color-surface-solid);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s, border-color 0.2s, color 0.2s;
}
.social-floating__link:hover { transform: scale(1.12); color: var(--color-primary); border-color: var(--color-primary-glow); }

.social-floating__link--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px var(--color-primary-glow);
}
.social-floating__link--primary:hover { box-shadow: 0 6px 28px var(--color-primary-glow); color: #fff; }

.social-floating__arrow {
    display: flex;
    justify-content: center;
    color: var(--color-primary);
    animation: arrowBounce 1.4s ease-in-out infinite;
    margin-bottom: -4px;
    opacity: 0.7;
}
@keyframes arrowBounce { 0%, 100% { transform: translateY(0); opacity: 0.7; } 50% { transform: translateY(6px); opacity: 0.3; } }

/* --- Responsive -------------------------------------------------------- */

/* Extra-small phones (< 380px) */
@media (max-width: 380px) {
    .logo__text { display: none; }
    .header__actions .btn--secondary span { display: none; }
    .stat__value { font-size: 1.15rem; }
}

/* Small phones (< 480px) */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .header { padding: 10px 0; }
    .header__actions { gap: 2px; }
    .header__actions .btn { font-size: 0.8rem; padding: 8px 12px; }
    .logo { font-size: 1.1rem; gap: 8px; }
    .logo__icon { width: 30px; height: 30px; }
    .hero { padding: 28px 16px 28px; }
    .section__header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .form-card { padding: 16px; gap: 12px; }
    .form-row { flex-direction: column; gap: 10px; }
    .stats { grid-template-columns: 1fr; gap: 18px 10px; }
    .stat { padding: 14px; }
    .stat__value { font-size: 1.3rem; }
    .link-card { flex-direction: column; align-items: stretch; padding: 14px 16px; gap: 14px; }
    .link-card__content { min-width: 0; }
    .link-card__actions {
        justify-content: flex-end;
        border-left: none;
        border-top: 2px dashed var(--color-border);
        padding-left: 0;
        padding-top: 14px;
    }
    .link-card__actions::before, .link-card__actions::after { top: auto; left: auto; }
    .link-card__actions::before { left: -9px; top: -8px; }
    .link-card__actions::after { left: auto; right: -9px; top: -8px; bottom: auto; }
    .link-card__actions .btn { padding: 8px 12px; font-size: 0.78rem; }
    .empty-state { padding: 40px 16px; }
    .empty-state__icon { width: 44px; height: 44px; font-size: 1.2rem; }
    .toast-container { right: 8px; left: 8px; top: 12px; }
    .toast { min-width: 0; max-width: none; padding: 12px 16px; font-size: 0.8rem; }
    .modal { padding: 22px; margin: 12px; border-radius: var(--radius-md); }
    .modal-overlay { align-items: flex-end; }
    .modal { border-bottom-right-radius: 0; border-bottom-left-radius: 0; }
    .social-floating { bottom: 16px; right: 16px; gap: 8px; }
    .social-floating__link { width: 46px; height: 46px; }
    .social-floating__arrow { display: none; }
    .redirect { padding: 80px 16px; }
    .redirect__spinner { width: 36px; height: 36px; }
    .redirect__title { font-size: 1rem; }
    .footer__inner { gap: 16px; }
    .modal__header { padding-bottom: 14px; gap: 8px; }
    .modal__title { font-size: 1.05rem; }
    .form-label { font-size: 0.82rem; }

}

/* Small–medium screens (480–640px) */
@media (min-width: 481px) and (max-width: 640px) {
    .stats { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 640px) {
    .hero { padding: 32px 20px 36px; }
    .form-card { padding: 18px; }
    .form-row { flex-direction: column; }
    .link-card { flex-direction: column; align-items: stretch; }
    .link-card__actions { justify-content: flex-end; }
    .stats { gap: 22px; }
    .toast-container { right: 12px; left: 12px; }
    .toast { min-width: 0; }
    .modal { padding: 26px; }
}

/* Tablets (641–1024px) */
@media (min-width: 641px) and (max-width: 1024px) {
    .hero { padding: 36px 28px 44px; }
    .stats { grid-template-columns: repeat(2,1fr); }
}

/* Large desktop refinement */
@media (min-width: 1280px) {
    .container { max-width: 880px; }
}