* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

:root {
    --accent: #F95E1A;
    --accent-dim: rgba(249, 94, 26, 0.15);
    --accent-glow: rgba(249, 94, 26, 0.4);
    --bg: #0a0a0a;
    --surface: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.08);
    --text: #f0f0f0;
    --text-muted: rgba(255, 255, 255, 0.55);
}

body {
    background: var(--bg);
    overflow-x: hidden;
    font-family: 'Segoe UI', Arial, sans-serif;
    color: var(--text);
}

html {
    scroll-behavior: smooth;
}

.accent {
    color: var(--accent);
}

/* ================= TOP BAR ================= */

.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    padding: 0 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
    z-index: 999;
}

.top-bar.active {
    transform: translateY(0);
    opacity: 1;
}

.top-logo {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text);
    cursor: pointer;
    transition: color 0.25s ease;
    text-decoration: none;
}

.top-logo:hover {
    color: var(--accent);
}

/* ================= FOOTER ================= */

.site-footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 6px;
    padding: 30px 10px;
    background-color: var(--bg);
    font-size: 13px;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 2;
}

.footer-name {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text);
}

/* ================= CUSTOM SCROLLBAR ================= */

::-webkit-scrollbar {
    width: 5px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 50px;
    box-shadow: 0 0 10px var(--accent-glow);
}

::-webkit-scrollbar-thumb:hover {
    box-shadow: 0 0 20px var(--accent);
    background: rgba(249, 94, 26, 0.8);
}

/* ================= SCROLL PROGRESS ================= */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(to right, var(--accent), rgba(249, 94, 26, 0.6));
    z-index: 1001;
    pointer-events: none;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* ================= TOP RIGHT ================= */

.top-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-muted);
    transition: border-color 0.25s ease, color 0.25s ease;
    padding: 0;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-sun { display: none; }

/* ================= LIGHT THEME ================= */

[data-theme="light"] {
    --bg: #f4f4f5;
    --surface: rgba(0, 0, 0, 0.04);
    --border: rgba(0, 0, 0, 0.1);
    --text: #111111;
    --text-muted: rgba(0, 0, 0, 0.55);
}

[data-theme="light"] .top-bar {
    background: rgba(244, 244, 245, 0.92);
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .site-footer { background-color: var(--bg); }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: block; }

/* ================= MOBILE ================= */

@media (max-width: 680px) {
    .top-bar {
        padding: 0 20px;
    }

    .top-right {
        gap: 10px;
    }

    .theme-toggle,
    .cmd-trigger {
        width: 38px;
        height: 38px;
        padding: 0;
        justify-content: center;
    }
}

/* ================= CMD TRIGGER (TOPBAR) ================= */

.cmd-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 11px;
    font-family: inherit;
    padding: 5px 10px;
    cursor: pointer;
    transition: border-color 0.25s ease, color 0.25s ease;
    white-space: nowrap;
}

.cmd-trigger:hover {
    border-color: var(--accent);
    color: var(--text);
}

.cmd-trigger svg {
    width: 13px;
    height: 13px;
    stroke: currentColor;
    fill: none;
}

@media (max-width: 680px) {
    .cmd-trigger-text { display: none; }
}

/* ================= COMMAND PALETTE ================= */

.cmd-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.cmd-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.cmd-modal {
    width: 100%;
    max-width: 560px;
    margin: 0 16px;
    background: #141414;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
    transform: translateY(-12px) scale(0.98);
    transition: transform 0.15s ease;
}

.cmd-overlay.open .cmd-modal {
    transform: translateY(0) scale(1);
}

.cmd-search-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.cmd-icon {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.cmd-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 15px;
    color: var(--text);
    font-family: inherit;
}

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

.cmd-esc-hint {
    font-size: 11px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 6px;
    color: var(--text-muted);
    font-family: inherit;
}

.cmd-list {
    max-height: 360px;
    overflow-y: auto;
    padding: 8px 0;
}

.cmd-group-label {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 10px 20px 4px;
    font-weight: 600;
}

.cmd-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.1s ease;
    font-size: 14px;
    color: var(--text);
    border-left: 2px solid transparent;
}

.cmd-item:hover,
.cmd-item.active {
    background: rgba(249, 94, 26, 0.1);
    border-left-color: var(--accent);
}

.cmd-item-icon {
    width: 30px;
    height: 30px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cmd-item-icon svg {
    width: 14px;
    height: 14px;
    color: var(--text-muted);
}

.cmd-item.active .cmd-item-icon svg,
.cmd-item:hover .cmd-item-icon svg {
    color: var(--accent);
}

.cmd-item-label { flex: 1; }

.cmd-footer {
    display: flex;
    gap: 20px;
    padding: 10px 20px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-muted);
}

.cmd-footer kbd {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 10px;
    font-family: inherit;
    color: var(--text-muted);
}

[data-theme="light"] .cmd-modal { background: #f8f8f8; }

/* ================= BIRTHDAY TOAST ================= */

.birthday-toast {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 20px;
    font-size: 14px;
    color: var(--text);
    z-index: 1900;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: toastIn 0.4s ease forwards;
    pointer-events: none;
}

.birthday-toast.fade-out {
    animation: toastOut 0.6s ease forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
    to { opacity: 0; transform: translateY(16px); }
}

/* ================= CONTRIB TOOLTIP ================= */

.contrib-tooltip {
    position: fixed;
    background: #1e1e1e;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 11px;
    padding: 5px 10px;
    border-radius: 6px;
    pointer-events: none;
    z-index: 1800;
    opacity: 0;
    transition: opacity 0.1s ease;
    white-space: nowrap;
}

[data-theme="light"] .contrib-tooltip { background: #ffffff; }