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


/* ── Minecraft Font ─────────────────────────────────────────────────────────── */
@font-face {
    font-family: 'Minecraft';
    src: url('../fonts/MinecraftRegular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Minecraft';
    src: url('../fonts/MinecraftBold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Minecraft';
    src: url('../fonts/MinecraftItalic.otf') format('opentype');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}
@font-face {
    font-family: 'Minecraft';
    src: url('../fonts/MinecraftBoldItalic.otf') format('opentype');
    font-weight: 700;
    font-style: italic;
    font-display: swap;
}
@font-face {
    font-family: 'MinecraftRus';
    src: url('../fonts/MinecraftRus.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}


/* ── Design tokens: DARK (default) ────────────────────────────────────────── */
:root {
    --bg:          #0d0f14;   /* page bg — darkest */
    --bg-card:     #12151d;   /* card surface */
    --bg-card2:    #181c28;   /* secondary surfaces: inputs, stepper, format btns */
    --bg-well:     #0a0c12;   /* inset wells: preview, result textarea */
    --border:      #22273a;
    --border-h:    #3a4260;
    --accent:      #7c6eff;
    --accent-h:    #9b8fff;
    --accent-bg:   rgba(124,110,255,.14);
    --accent2:     #ff6b6b;
    --text:        #eaedfa;
    --text-muted:  #6b7394;
    --text-dim:    #4a5278;
    --success:     #3ecf8e;
    --preview-bg:  var(--bg-card2);
    --result-bg:   var(--bg-card2);
    --result-color:#7effa0;
    --shadow-card: 0 2px 20px rgba(0,0,0,.4);
    --radius:      14px;
    --radius-sm:   9px;
    --font-mono:   'JetBrains Mono', monospace;
    --font-preview: 'Minecraft', 'MinecraftRus', monospace;
    --font-ui:     'Inter', system-ui, sans-serif;
    --transition:  .17s ease;
}

/* ── Design tokens: LIGHT ──────────────────────────────────────────────────── */
[data-theme="light"] {
    --bg:          #eef0f8;   /* page bg */
    --bg-card:     #ffffff;   /* card surface */
    --bg-card2:    #f4f5fc;   /* secondary surfaces */
    --bg-well:     #e8ecf8;   /* inset wells: preview, result textarea */
    --border:      #d8dced;
    --border-h:    #a8b0d0;
    --accent:      #6152e8;
    --accent-h:    #7b6ef5;
    --accent-bg:   rgba(97,82,232,.1);
    --accent2:     #e84040;
    --text:        #1a1d2e;
    --text-muted:  #6a729a;
    --text-dim:    #8890b8;
    --success:     #1fa974;
    --preview-bg:  var(--bg-card2);
    --result-bg:   var(--bg-card2);
    --result-color:#2a3060;
    --shadow-card: 0 2px 16px rgba(80,90,160,.09);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-ui);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    transition: background .25s ease, color .25s ease;
}

/* ── Page Wrapper ──────────────────────────────────────────────────────────── */
.page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.site-header {
    padding: 36px 0 28px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.header-left { display: flex; flex-direction: column; gap: 6px; }

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -.5px;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.5rem;
    animation: pulse-icon 3s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% { opacity: 1; }
    50%       { opacity: .55; }
}

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

.header-sub {
    color: var(--text-muted);
    font-size: .9rem;
}

/* ── Grid Layout ───────────────────────────────────────────────────────────── */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: var(--shadow-card);
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.card--input   { grid-column: 1; grid-row: 1; align-self: stretch; }
.card--settings { grid-column: 2; grid-row: 1; }
.card--colors  { grid-column: 1; grid-row: 2; }
.card--result  { grid-column: 2; grid-row: 2; align-self: stretch; }

.card-title {
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-icon { color: var(--accent); font-size: 1rem; }

/* ── Fields ────────────────────────────────────────────────────────────────── */
.field-group { display: flex; flex-direction: column; gap: 8px; }

.field-label {
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .1em;
    color: var(--text-muted);
}

.field-input {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text);
    font-family: var(--font-ui);
    font-size: .95rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}

.field-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124,110,255,.15);
}

.field-hint {
    font-size: .75rem;
    color: var(--text-muted);
}

.field-hint.warn {
    color: #ffb347;
    background: rgba(255,179,71,.08);
    border-radius: 6px;
    padding: 6px 10px;
}

/* ── Preview ───────────────────────────────────────────────────────────────── */
.preview-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.preview-label {
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .1em;
    color: var(--text-muted);
}

.preview-canvas {
    background: var(--preview-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    min-height: 80px;
    flex: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--font-preview);
    font-size: 1.4rem;
    font-weight: 400;
    letter-spacing: .03em;
    line-height: 1.6;
    word-break: break-all;
    overflow-wrap: anywhere;
    image-rendering: pixelated;
    -webkit-font-smoothing: none;
    font-smooth: never;
    transition: background var(--transition), border-color var(--transition);
}

.preview-placeholder {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 400;
}

/* ── Gradient Bar ──────────────────────────────────────────────────────────── */
.gradient-bar-wrap { padding: 2px 0; }

.gradient-bar {
    height: 6px;
    border-radius: 99px;
    background: linear-gradient(to right, #7c6eff, #ff6b6b);
    transition: background var(--transition);
}

/* ── Format Grid ───────────────────────────────────────────────────────────── */
.format-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.format-btn {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: .78rem;
    padding: 9px 10px;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
    text-align: center;
    line-height: 1.3;
    word-break: break-all;
}

.format-btn:hover {
    border-color: var(--border-h);
    color: var(--text);
}

.format-btn.active {
    background: var(--accent-bg);
    border-color: var(--accent);
    color: var(--accent-h);
}

/* ── Stepper ───────────────────────────────────────────────────────────────── */
.stepper {
    display: flex;
    align-items: center;
    gap: 0;
    width: fit-content;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.stepper-btn {
    background: var(--bg-card2);
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    width: 36px;
    height: 36px;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stepper-btn:hover { background: var(--border); color: var(--text); }

.stepper-val {
    width: 40px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: .9rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg-card2);
    padding: 0 6px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

/* ── Toggle ────────────────────────────────────────────────────────────────── */
.toggle-row { flex-direction: row; align-items: center; }

.toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.toggle input { display: none; }

.toggle-track {
    width: 38px;
    height: 22px;
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: 99px;
    position: relative;
    transition: background var(--transition), border-color var(--transition);
    flex-shrink: 0;
}

.toggle-track::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--text-dim);
    top: 3px;
    left: 3px;
    transition: transform var(--transition), background var(--transition);
}

.toggle input:checked + .toggle-track {
    background: var(--accent-bg);
    border-color: var(--accent);
}

.toggle input:checked + .toggle-track::after {
    transform: translateX(16px);
    background: var(--accent);
}

.toggle-label { font-size: .88rem; color: var(--text-muted); }

/* ── Color List ────────────────────────────────────────────────────────────── */
.color-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 60px;
}

.color-row {
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slide-in .15s ease;
    cursor: grab;
}

.color-row:active { cursor: grabbing; }

@keyframes slide-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.color-swatch-wrap {
    position: relative;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    flex-shrink: 0;
    overflow: hidden;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: border-color var(--transition);
}

.color-swatch-wrap:hover { border-color: var(--border-h); }

.color-swatch {
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    padding: 0;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    transform: scale(1.5);
}

.color-hex-input {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: .85rem;
    width: 120px;
    outline: none;
    transition: border-color var(--transition);
}

.color-hex-input:focus { border-color: var(--accent); }

.color-hex-input.invalid { border-color: var(--accent2); }

.color-drag-handle {
    color: var(--text-dim);
    font-size: 1rem;
    cursor: grab;
    padding: 4px;
    flex-shrink: 0;
}

/* ── Decoration Buttons ────────────────────────────────────────────────────── */
.deco-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.deco-btn {
    background: var(--bg-card2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font-ui);
    font-size: .9rem;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
    flex-shrink: 0;
}

.deco-btn:hover {
    border-color: var(--border-h);
    color: var(--text);
}

.deco-btn.active {
    background: var(--accent-bg);
    border-color: var(--accent);
    color: var(--accent-h);
}

.deco-btn[data-deco="bold"]      { font-weight: 900; }
.deco-btn[data-deco="italic"]    { font-style: italic; }
.deco-btn[data-deco="underline"] { text-decoration: underline; }
.deco-btn[data-deco="strike"]    { text-decoration: line-through; }

/* ── Drop Zone ─────────────────────────────────────────────────────────────── */
.drop-zone {
    border: 1.5px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
    font-size: .82rem;
    color: var(--text-dim);
    transition: border-color var(--transition), background var(--transition), color var(--transition);
    cursor: default;
    user-select: none;
}

.drop-zone.drag-over {
    border-color: var(--accent2);
    background: rgba(255,107,107,.06);
    color: var(--accent2);
}

/* ── Result ────────────────────────────────────────────────────────────────── */
.result-textarea {
    background: var(--result-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    color: var(--result-color);
    font-family: var(--font-mono);
    font-size: .82rem;
    line-height: 1.6;
    resize: none;
    flex: 1;
    min-height: 100px;
    width: 100%;
    outline: none;
    word-break: break-all;
    overflow-wrap: anywhere;
    transition: border-color var(--transition), background .25s ease;
}

.result-textarea:focus { border-color: var(--accent); }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-ui);
    font-size: .9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), opacity var(--transition), transform var(--transition);
}

.btn:active { transform: scale(.97); }

.btn--primary {
    background: var(--accent);
    color: #fff;
    padding: 11px 22px;
}

.btn--primary:hover { background: var(--accent-h); }

.btn--ghost {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-muted);
    padding: 5px 12px;
    font-size: .78rem;
    margin-left: auto;
}

.btn--ghost:hover { border-color: var(--border-h); color: var(--text); }

.btn--sm { font-size: .78rem; }

.btn--copy { width: 100%; position: relative; }

.copy-icon { font-size: 1rem; }

/* ── Toast ─────────────────────────────────────────────────────────────────── */
.copy-toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: var(--success);
    color: #000;
    font-weight: 700;
    font-size: .88rem;
    padding: 10px 22px;
    border-radius: 99px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    z-index: 999;
}

.copy-toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}


/* ── Theme Toggle ─────────────────────────────────────────────────────────── */
.theme-toggle {
    background: var(--bg-card2);
    border: 1.5px solid var(--border);
    border-radius: 99px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
    line-height: 1;
    transition: background .25s ease, border-color .25s ease, transform var(--transition);
}

.theme-toggle:hover {
    border-color: var(--border-h);
    transform: scale(1.08);
}

.theme-icon {
    display: none;
    font-size: 1.15rem;
    line-height: 1;
    width: 1.15rem;
    height: 1.15rem;
    text-align: center;
}

.theme-icon--dark     { display: flex; align-items: center; justify-content: center; }
[data-theme="light"] .theme-icon--dark  { display: none; }
[data-theme="light"] .theme-icon--light { display: flex; align-items: center; justify-content: center; }

/* ── Focus Visible ─────────────────────────────────────────────────────────── */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.format-btn:focus-visible,
.deco-btn:focus-visible,
.stepper-btn:focus-visible,
.btn:focus-visible,
.theme-toggle:focus-visible,
.color-hex-input:focus-visible,
.field-input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(124,110,255,.18);
}

[data-theme="light"] .format-btn:focus-visible,
[data-theme="light"] .deco-btn:focus-visible,
[data-theme="light"] .stepper-btn:focus-visible,
[data-theme="light"] .btn:focus-visible,
[data-theme="light"] .theme-toggle:focus-visible,
[data-theme="light"] .color-hex-input:focus-visible,
[data-theme="light"] .field-input:focus-visible {
    box-shadow: 0 0 0 4px rgba(97,82,232,.15);
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
    .main-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .card--input,
    .card--settings,
    .card--colors,
    .card--result {
        grid-column: 1;
        grid-row: auto;
    }
    .preview-canvas { font-size: 1.1rem; }
}

@media (max-width: 480px) {
    .page-wrapper { padding: 0 14px 40px; }
    .format-grid { grid-template-columns: 1fr; }
}