:root {
    --color-primary: #2b4042;   /* Dark Teal */
    --color-secondary: #904229; /* Rust Red */
    --color-accent: #181736;    /* Dark Blue/Purple */
    --color-light: #E5D4CE;     /* Muted Lavender/Grey (Light Mode BG) */
    --color-white: #ffffff;     /* Card BG */
    --color-text: #333333;
    --color-border: #eee;
    --color-success: #27ae60;
}

/* Dark Mode Overrides */
body.dark-mode {
    --color-primary: #3d5a5c;
    --color-secondary: #c05536;
    --color-accent: #8e8cb5;
    --color-light: #121212;
    --color-white: #1e1e1e;
    --color-text: #e0e0e0;
    --color-border: #333;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--color-light);
    color: var(--color-text);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 0.3s, color 0.3s;
}

/* --- Typography --- */
h1, h2, h3 { font-weight: 700; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; }

/* --- Layout --- */
header {
    background-color: var(--color-primary);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 10;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-btn-group {
    display: flex;
    gap: 8px;
}

main {
    flex: 1;
    overflow-y: auto;
    position: relative;
    width: 100%;
    max-width: 600px; /* Tablet friendly limit */
    margin: 0 auto;
    background-color: var(--color-white);
    box-shadow: 0 0 20px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s;
}

/* --- Buttons --- */
button {
    border: none;
    cursor: pointer;
    border-radius: 8px;
    transition: opacity 0.2s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
button:active { transform: scale(0.98); }

.btn-header {
    background-color: rgba(255,255,255,0.2);
    color: white;
    padding: 6px 10px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
}

.btn-icon-toggle {
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 1rem;
    margin-left: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    padding: 12px;
    font-size: 1rem;
    width: 100%;
}

.btn-action {
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: bold;
}

.btn-change {
    background-color: var(--color-accent);
    color: white;
}

.btn-remove {
    background-color: var(--color-secondary);
    color: white;
}

.btn-done {
    background-color: var(--color-success);
    color: white;
}

.btn-modal-cancel {
    background-color: #eee;
    color: #333;
}
body.dark-mode .btn-modal-cancel {
    background-color: #333;
    color: #ddd;
}

/* --- Views --- */
.view { display: none; height: 100%; flex-direction: column; }
.view.active { display: flex; }

/* Setup View */
.setup-container { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
textarea {
    width: 100%;
    /* Reduced height to 50% relative to previous flex:1 behavior */
    height: 40vh; 
    border: 2px solid var(--color-border);
    border-radius: 8px;
    padding: 1rem;
    font-size: 1.1rem;
    resize: none;
    margin-bottom: 1rem;
    outline: none;
    background-color: var(--color-white);
    color: var(--color-text);
}
textarea:focus { border-color: var(--color-primary); }

/* List View */
.stats-bar {
    background-color: var(--color-light);
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    font-weight: bold;
    color: var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    transition: background-color 0.3s;
}
body.dark-mode .stats-bar { color: var(--color-white); }

.list-container {
    padding: 1rem;
    flex: 1;
    overflow-y: auto;
}

/* Speaker Item */
.speaker-row {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    overflow: hidden;
    transition: all 0.2s;
}

.speaker-row.active {
    border: 2px solid var(--color-secondary);
    background-color: rgba(144, 66, 41, 0.05); /* Tint of secondary */
}
body.dark-mode .speaker-row.active {
    background-color: rgba(144, 66, 41, 0.2);
}

.speaker-main {
    display: flex;
    align-items: center;
    padding: 12px;
    cursor: pointer;
}

.speaker-main:active { background-color: rgba(0,0,0,0.05); }

.speaker-info { flex: 1; display: flex; align-items: center; gap: 10px; }
.speaker-name { font-size: 1.1rem; font-weight: 600; color: var(--color-primary); }
body.dark-mode .speaker-name { color: var(--color-text); }

.speaker-status-icon { font-size: 1.2rem; }

.queue-badge {
    background-color: var(--color-secondary);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    margin-right: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Controls Row */
.speaker-controls {
    display: flex;
    border-top: 1px solid var(--color-border);
}
.speaker-controls button {
    flex: 1;
    border-radius: 0;
    padding: 12px 4px;
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
    height: 100%;
}

/* --- Stats Panel --- */
.stats-panel {
    background-color: var(--color-primary);
    color: white;
    padding: 1rem;
    border-top: 4px solid var(--color-accent);
}
.stats-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.stats-table th { text-align: left; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.2); color: #ddd; }
.stats-table td { padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }

.badge { padding: 2px 6px; border-radius: 4px; font-size: 0.7rem; margin-left: 6px; }
.badge-silent { background-color: rgba(255,255,255,0.2); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.badge-active { background-color: var(--color-accent); color: white; }

/* Footer */
.footer {
    text-align: center;
    padding: 15px;
    font-size: 0.75rem;
    color: #888;
    background-color: rgba(0,0,0,0.02);
    border-top: 1px solid var(--color-border);
}

/* --- Modals --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
    background: var(--color-white);
    color: var(--color-text);
    width: 90%;
    max-width: 320px;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    transform: scale(0.95);
    transition: transform 0.2s;
}
.modal-overlay.open .modal { transform: scale(1); }

.slider-container { margin: 20px 0; text-align: center; }
input[type=range] { width: 100%; margin: 10px 0; accent-color: var(--color-secondary); }
.slider-value { font-size: 2rem; font-weight: bold; color: var(--color-secondary); }

.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions button { flex: 1; padding: 12px; font-weight: bold; }

/* SVGs */
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }