:root {
    --bg: #121212;
    --surface: #1e1e1e;
    --surface-hover: #2c2c2c;
    --primary: #4caf50;
    --primary-hover: #388e3c;
    --text: #ffffff;
    --text-muted: #a0a0a0;
    --danger: #cf6679;
    --success: #03dac6;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.5);
    --radius: 8px;
    --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-ui);
    overflow-x: hidden;
    font-size: 15px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

h1, h2, h3 { margin-top: 0; font-weight: 600; }
h1 { font-size: 1.3rem; margin-bottom: 0.8rem; }
h2 { font-size: 1rem; margin-bottom: 0.6rem; }
h3 { font-size: 0.9rem; margin-bottom: 0.4rem; }

label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

button {
    background-color: var(--primary);
    color: #000;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    font-weight: bold;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
button:active { transform: scale(0.98); }

.nav-btn {
    padding: 0.8rem;
}

button.danger { background-color: transparent; color: var(--danger); border: 1px solid var(--danger); }
button.danger:hover { background-color: var(--danger); color: #fff; }

button.secondary { background-color: transparent; color: var(--primary); border: 1px solid var(--primary); }
button.secondary:hover { background-color: var(--primary); color: #000; }

.btn-blackout {
    background: #222;
    color: #fff;
    border: 2px solid #555;
    font-size: 0.95rem;
    padding: 0.6rem;
    letter-spacing: 0.05em;
    transition: background 0.15s, border-color 0.15s;
}
.btn-blackout:hover { background: #111; border-color: #888; }
.btn-blackout.active {
    background: #cf6679;
    border-color: #cf6679;
    color: #fff;
}

.btn-tiny {
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    border-radius: 4px;
    background: var(--success);
    color: #000;
    border: none;
    transition: all 0.2s ease;
}
.btn-tiny:hover { opacity: 0.85; filter: brightness(1.1); }
.btn-tiny:active { transform: scale(0.95); }

#btnUploadFont {
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input[type="text"], input[type="file"], input[type="number"], select, textarea {
    background: #000;
    border: 1px solid #333;
    color: var(--text);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius);
    width: 100%;
    margin-bottom: 0.5rem;
    font-family: inherit;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}
input[type="text"]:focus, select:focus, textarea:focus, input[type="number"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
    outline: none;
}
input[type="number"] { -moz-appearance: textfield; }

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #333;
    outline: none;
    margin-bottom: 0.3rem;
    cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 2px solid #000;
}

/* Color picker */
.color-swatch-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid #333;
    cursor: pointer;
}
.color-swatch-wrapper input[type="color"] {
    position: absolute;
    top: -8px; left: -8px;
    width: calc(100% + 16px);
    height: calc(100% + 16px);
    border: none;
    padding: 0;
    cursor: pointer;
}

/* Layout */
.dashboard {
    display: grid;
    grid-template-columns: 300px 1fr 320px;
    gap: 0.8rem;
}

.controls-panel {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.panel {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 0.8rem 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 0.8rem;
}

h1 { font-size: 1.3rem; margin-bottom: 0.8rem; }
h2 { font-size: 1rem; margin-bottom: 0.6rem; }
h3 { font-size: 0.9rem; margin-bottom: 0.4rem; }

/* ---- Layout Utilities ---- */
.btn-row {
    display: flex;
    gap: 0.5rem;
}
.btn-row > * { flex: 1; }
.full-width-btn { width: 100%; }

.inline-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.inline-row-small {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.space-between-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.divider-top {
    border-top: 1px solid #333;
    padding-top: 0.8rem;
    margin-top: 0.2rem;
}

.muted-text { color: var(--text-muted); font-size: 0.8em; margin-bottom: 0.8rem; }
.muted-text-small { color: var(--text-muted); font-size: 0.75rem; font-weight: normal; margin-left: 0.5rem; }
.muted-text-tiny { color: var(--text-muted); font-size: 0.6rem; font-weight: normal; text-transform: none; letter-spacing: 0; margin-left: 0.2rem; }
.status-text { font-size: 0.85em; margin-top: 0.5rem; }

.link-right { float: right; color: var(--primary); font-size: 0.85rem; text-decoration: none; }
.hotkey-hint { font-size: 0.7rem; color: var(--text-muted); font-weight: normal; margin-left: 0.5rem; }

/* Show list */
.list-item {
    padding: 0.3rem 0.6rem;
    background: #000;
    margin-bottom: 0.2rem;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid transparent;
    gap: 0.4rem;
    font-size: 0.85rem;
}
.list-item:hover { background: var(--surface-hover); }
.list-item.active { border-left-color: var(--primary); }
.list-item .btn-group { display: flex; gap: 0.3rem; flex-shrink: 0; }
.list-item .btn-group button { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

/* ---- 16:9 Preview Screen ---- */
.preview-screen {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border: 2px solid #333;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

/* Zone boundary dashed indicator */
.zone-boundary {
    position: absolute;
    border: 1px dashed rgba(76, 175, 80, 0.4);
    pointer-events: none;
    z-index: 2;
    transition: all 0.15s ease;
}

/* Text zone inside preview */
.preview-screen .projector-zone {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: opacity 0.5s ease, transform 0.15s ease, top 0.15s ease, bottom 0.15s ease, left 0.15s ease, right 0.15s ease;
    z-index: 3;
    overflow: hidden;
}

/* Logo overlay inside preview */
.logo-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    pointer-events: none;
    opacity: 0;
}
.logo-overlay.visible { opacity: 1; }
.logo-overlay img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Blackout overlay inside preview */
.blackout-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #000;
    opacity: 0;
    pointer-events: none;
    z-index: 4; /* Below logo overlay (5) and text overlay (25) */
    transition: opacity 0.2s;
}
.blackout-overlay.active { opacity: 1; }

/* ---- Settings Grid ---- */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem 1rem;
    margin-top: 0.5rem;
}
.settings-grid.dense-grid {
    gap: 0.3rem 0.8rem;
}
.settings-grid .full-width { grid-column: 1 / -1; }

.slider-row { margin-bottom: 0.2rem; }
.slider-row .slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.1rem;
}
.slider-row .slider-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 3.5em;
    text-align: right;
}

.color-picker-row { gap: 1.5rem; margin-top: 0.2rem; }
.color-row { display: flex; align-items: center; gap: 0.6rem; }
.color-row .color-label { font-size: 0.85rem; color: var(--text-muted); }

.slide-counter {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

/* ---- Projector (fullscreen display) ---- */
.projector-body {
    background: #000;
    color: #fff;
    margin: 0; padding: 0;
    overflow: hidden;
    width: 100vw; height: 100vh;
    position: relative;
    cursor: none;
}

.projector-zone {
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    transition: opacity 0.5s ease, top 0.3s ease, bottom 0.3s ease, left 0.3s ease, right 0.3s ease;
}

.slide-speaker {
    text-transform: uppercase;
    font-weight: bold;
    opacity: 0.75;
    margin-bottom: 0.2em;
}

.slide-text {
    font-weight: 500;
    text-shadow: 0 4px 12px rgba(0,0,0,0.8);
}

/* Projector logo overlay */
.proj-logo-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.proj-logo-overlay.visible { opacity: 1; }
.proj-logo-overlay img {
    object-fit: contain;
    max-width: 100vw;
    max-height: 100vh;
}

/* Projector text overlay */
.proj-text-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 25; /* Between logo and blackout */
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.proj-text-overlay.visible { opacity: 1; }
.proj-text-overlay div {
    width: 100%;
}

/* Projector blackout */
.proj-blackout {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #000;
    opacity: 0;
    pointer-events: none;
    z-index: 15; /* Below logo and text overlay, but above slide text */
    transition: opacity 0.2s;
}
.proj-blackout.active { opacity: 1; }

/* Fullscreen overlay prompt */
.fullscreen-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.92);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 100;
    cursor: pointer;
    transition: opacity 0.3s;
}
.fullscreen-overlay h2 { color: #fff; font-size: 2rem; margin-bottom: 0.5rem; }
.fullscreen-overlay p { color: #aaa; font-size: 1.1rem; }
.fullscreen-overlay.hidden { opacity: 0; pointer-events: none; }

/* ---- Logo Gallery ---- */
.logo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
    background: #000;
    border-radius: var(--radius);
    padding: 0.5rem;
    border: 1px solid #222;
}
.logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem;
    border-radius: 6px;
    border: 2px solid transparent;
    background: #111;
    cursor: pointer;
    transition: border-color 0.15s;
}
.logo-item:hover { border-color: #555; }
.logo-item.selected { border-color: var(--primary); }
.logo-item img {
    width: 100%;
    height: 50px;
    object-fit: contain;
    border-radius: 4px;
}
.logo-item .logo-name {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
}
.logo-item .logo-del {
    font-size: 0.65rem;
    padding: 0.1rem 0.3rem;
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: 3px;
}
.logo-item .logo-del:hover { background: var(--danger); color: #fff; }

/* ---- Character Colors Grid ---- */
.char-colors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.6rem;
}

/* ---- Coming Up Preview Line ---- */
.coming-up-line {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.6rem;
    background: #000;
    border-left: 4px solid var(--primary);
    padding: 0.6rem 0.8rem;
    border-radius: 4px;
    align-items: start;
}
.coming-up-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    flex-shrink: 0;
}
.coming-up-text {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.3;
    white-space: pre-wrap;
    word-break: break-word;
    height: 5.2em;
    overflow-y: auto;
    max-width: 100%;
}
.char-color-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: #000;
    border-radius: var(--radius);
    padding: 0.5rem 0.7rem;
}
.char-color-item span {
    flex: 1;
    font-size: 0.85rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.char-color-item .color-swatch-wrapper {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .dashboard { grid-template-columns: 1fr; }
    .nav-btn {
        padding: 2.5rem 1rem !important;
        font-size: 1.2rem !important;
    }
}