/* Site-wide base styles (moved out of base.html so browsers cache them). */
/* ── Design Tokens ── */
:root[data-theme="dark"] {
    --bg-base: #0A0A0F;
    --bg-surface: #111118;
    --bg-elevated: #1A1A25;
    --border: rgba(255, 255, 255, 0.06);
    --border-focus: #00FFB3;
    --text-primary: #F0F0F5;
    --text-muted: #9494A8;
    --text-inverse: #0A0A0F;
    --accent-mint: #00FFB3;
    --accent-amber: #FFB800;
    --accent-red: #FF3355;
    --accent-blue: #4D9CFF;
    --grain-opacity: 0.04;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 255, 179, 0.2);
}

:root[data-theme="light"] {
    --bg-base: #F5F0E8;
    --bg-surface: #FDFAF4;
    --bg-elevated: #EDE8DC;
    --border: rgba(0, 0, 0, 0.08);
    --border-focus: #006B4A;
    --text-primary: #1A1410;
    --text-muted: #5A5040;
    --text-inverse: #F5F0E8;
    --accent-mint: #006B4A;
    --accent-amber: #8F5B00;
    --accent-red: #CC1F3A;
    --accent-blue: #1A6FCC;
    --grain-opacity: 0.025;
    --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 16px rgba(0, 143, 100, 0.15);
}

:root {
    --font-display: 'Clash Display', sans-serif;
    --font-mono: 'DM Mono', monospace;
    --font-body: 'Satoshi', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* Theme transition is applied only while switching (html.theme-switching, see ux.css). */

/* ── Base ── */
body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* ── Skip to content (a11y) ── */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 99999;
    padding: 12px 24px;
    background: var(--accent-mint);
    color: var(--text-inverse);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.skip-to-content:focus {
    top: 16px;
}

/* ── Focus rings (a11y) ── */
:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

/* ── Background Effects ── */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: var(--grain-opacity);
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.mesh-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.mesh-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(160px);
    opacity: 0.06;
    animation: drift 20s infinite alternate ease-in-out;
}

[data-theme="light"] .mesh-blob {
    opacity: 0.03;
}

@keyframes drift {
    from {
        transform: translate(-10%, -10%) scale(1);
    }

    to {
        transform: translate(10%, 10%) scale(1.1);
    }
}

/* ── UI Components ── */
.btn-mm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-size: 15px;
    height: 44px;
    padding: 0 24px;
    border: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn-mm:hover {
    transform: scale(1.02);
}

.btn-mint {
    background: var(--accent-mint);
    color: var(--text-inverse);
}

.btn-mint:hover {
    box-shadow: var(--shadow-glow);
}

.btn-amber {
    background: var(--accent-amber);
    color: var(--text-inverse);
}

.btn-amber:hover {
    box-shadow: 0 0 20px rgba(255, 184, 0, 0.3);
}

.btn-ghost {
    background: transparent;
    border: 1.5px solid var(--accent-mint);
    color: var(--accent-mint);
}

.btn-ghost:hover {
    background: rgba(0, 255, 179, 0.08);
}

[data-theme="light"] .btn-ghost:hover {
    background: rgba(0, 122, 85, 0.06);
}

.btn-danger {
    background: var(--accent-red);
    color: #fff;
}

.btn-danger:hover {
    box-shadow: 0 0 20px rgba(255, 51, 85, 0.3);
}

.btn-disabled {
    background: var(--bg-elevated);
    color: var(--text-muted);
    cursor: not-allowed;
    pointer-events: none;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

.glow-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-card);
}

.glow-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--accent-mint) 40%, transparent);
}

/* ── Status Pills ── */
.pill-success {
    background: color-mix(in srgb, var(--accent-mint) 15%, transparent);
    color: var(--accent-mint);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 4px;
}

.pill-warning {
    background: color-mix(in srgb, var(--accent-amber) 15%, transparent);
    color: var(--accent-amber);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 4px;
}

.pill-error {
    background: color-mix(in srgb, var(--accent-red) 15%, transparent);
    color: var(--accent-red);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 4px;
}

.pill-neutral {
    background: var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 4px;
}

/* ── Info/Notice Boxes ── */
.notice-info {
    background: var(--bg-elevated);
    border-left: 3px solid var(--accent-mint);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-primary);
}

.notice-warning {
    background: var(--bg-elevated);
    border-left: 3px solid var(--accent-amber);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-primary);
}

.notice-danger {
    background: var(--bg-elevated);
    border-left: 3px solid var(--accent-red);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-primary);
}

/* ── Inputs ── */
.input-mm {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    height: 48px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 15px;
    outline: none;
    width: 100%;
    transition: border-color 0.2s ease;
}

.input-mm::placeholder {
    color: var(--text-muted);
}

.input-mm:focus {
    border-color: var(--border-focus);
    border-width: 1.5px;
}

.input-mm.input-error {
    border-color: var(--accent-red);
    border-width: 1.5px;
}

/* ── Typography Helpers ── */
.font-display {
    font-family: var(--font-display);
}

.font-mono {
    font-family: var(--font-mono);
}

.font-body {
    font-family: var(--font-body);
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ── Toasts ── */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 360px;
}

.toast-item {
    width: 360px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent-mint);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.toast-error {
    border-left-color: var(--accent-red);
}

.toast-warning {
    border-left-color: var(--accent-amber);
}

.toast-info {
    border-left-color: var(--accent-blue);
}

.toast-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 4px;
}

.toast-close:hover {
    color: var(--text-primary);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--accent-mint);
    animation: toast-countdown 5s linear forwards;
}

.toast-error .toast-progress {
    background: var(--accent-red);
}

.toast-warning .toast-progress {
    background: var(--accent-amber);
}

.toast-info .toast-progress {
    background: var(--accent-blue);
}

@keyframes toast-countdown {
    from {
        width: 100%;
    }

    to {
        width: 0%;
    }
}

/* ── Theme Switcher Animation ── */
.theme-toggle-icon {
    transition: transform 0.3s ease;
}

[data-theme="light"] .theme-toggle-icon {
    transform: rotate(180deg);
}

/* ── Shimmer / Skeleton Loading ── */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-surface) 50%, var(--bg-elevated) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

/* ── Shake animation (dangerous actions) ── */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-4px);
    }

    50% {
        transform: translateX(4px);
    }

    75% {
        transform: translateX(-4px);
    }
}

.animate-shake {
    animation: shake 0.3s ease 3;
}

/* ── Slow Pulse Animation ── */
@keyframes pulse-slow {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.animate-pulse-slow {
    animation: pulse-slow 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ── Page transition ── */
@keyframes page-enter {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

main {
    animation: page-enter 0.28s ease-out;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-mint);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .toast-container {
        right: 12px;
        left: 12px;
    }

    .toast-item {
        width: 100%;
    }
}

/* Performance: the blurred background blobs and film grain cost a lot of paint on phones and
   low-power laptops, and are barely visible there. Keep them for large screens only. */
@media (max-width: 1023px), (prefers-reduced-motion: reduce) {
    .mesh-gradient, .noise-overlay { display: none; }
}
@media (min-width: 1024px) {
    .mesh-blob { will-change: transform; }
}