:root {
    /* Default Dark Theme Tokens */
    --bg-main: #121212;
    --bg-surface: #1e1e1e;
    --bg-surface-hover: #2c2c2c;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --border-color: #333333;
    
    --accent-primary: #4ade80; /* Greenish */
    --accent-primary-hover: #22c55e;
    --accent-secondary: #60a5fa;
    --accent-secondary-hover: #3b82f6;
    --accent-danger: #f87171;
    --accent-danger-hover: #ef4444;

    --btn-radius: 12px;
    --container-radius: 16px;
    --transition-speed: 0.2s;
}

[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;

    --accent-primary: #10b981;
    --accent-primary-hover: #059669;
    --accent-secondary: #3b82f6;
    --accent-secondary-hover: #2563eb;
    --accent-danger: #ef4444;
    --accent-danger-hover: #dc2626;
}

[data-theme="tm"] {
    /* Toastmasters International Official Colors:
       Maroon: #772432
       True Blue: #004165
       Cool Gray: #A2AAAD
       Happy Yellow: #F2A900
    */
    --bg-main: #f5f5f5;
    --bg-surface: #ffffff;
    --bg-surface-hover: #e2e8f0;
    --text-primary: #004165; /* True Blue */
    --text-secondary: #555555;
    --border-color: #A2AAAD; /* Cool Gray */

    --accent-primary: #772432; /* Maroon */
    --accent-primary-hover: #5A1B25;
    --accent-secondary: #004165;
    --accent-secondary-hover: #002C45;
    --accent-danger: #F2A900; /* Happy Yellow */
    --accent-danger-hover: #C98D00;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#theme-select {
    background-color: var(--bg-main);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: var(--btn-radius);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

/* Main content */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    gap: 1.5rem;
}

/* Session Controls */
.session-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--bg-surface);
    padding: 1.5rem;
    border-radius: var(--container-radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.speaker-input-group {
    display: flex;
    gap: 0.5rem;
}

#speaker-name, #speaker-role {
    flex: 1;
    background-color: var(--bg-main);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: var(--btn-radius);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-speed);
}

#speaker-name:focus, #speaker-role:focus {
    border-color: var(--accent-primary);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn {
    border: none;
    border-radius: var(--btn-radius);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-speed);
    text-align: center;
    user-select: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn.primary {
    background-color: var(--accent-primary);
    color: #fff;
    flex-shrink: 0;
}
.btn.primary:hover { background-color: var(--accent-primary-hover); }

.btn.secondary {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    flex: 1;
}
.btn.secondary:hover { background-color: var(--bg-main); }

.btn.action {
    background-color: var(--accent-secondary);
    color: #fff;
    flex: 1;
}
.btn.action:hover { background-color: var(--accent-secondary-hover); }

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

.btn.small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: inline-block;
}
.btn.small:hover { background-color: var(--bg-main); }


/* Counter Grid */
.counter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.counter-btn {
    background-color: var(--bg-surface);
    border: 2px solid transparent;
    border-radius: var(--container-radius);
    padding: 1rem 0.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    user-select: none;
    touch-action: manipulation;
}

.counter-btn:hover {
    background-color: var(--bg-surface-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 12px -2px rgba(0, 0, 0, 0.1);
}

.counter-btn:active {
    transform: scale(0.95);
    background-color: var(--accent-primary);
    color: #fff;
}

.counter-btn:active .word, .counter-btn:active .count {
    color: #fff;
}

.counter-btn .word {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    pointer-events: none;
}

.counter-btn .count {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    pointer-events: none;
}

/* History Section */
.history-section {
    background-color: var(--bg-surface);
    border-radius: var(--container-radius);
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.history-header h2 {
    font-size: 1.25rem;
}

.history-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.history-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.history-item {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--btn-radius);
    padding: 1rem;
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.history-item-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.history-item-role {
    font-size: 0.9rem;
    color: var(--accent-secondary);
    font-weight: 500;
    margin-left: 0.5rem;
}

.history-item-total {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.delete-entry-btn {
    background: none;
    border: none;
    color: var(--accent-danger);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    font-size: 1.2rem;
    margin-left: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color var(--transition-speed);
}

.delete-entry-btn:hover {
    background-color: rgba(248, 113, 113, 0.1);
}

.history-item-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.detail-badge {
    background-color: var(--bg-surface-hover);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--text-secondary);
}

.detail-badge span {
    font-weight: 600;
    color: var(--text-primary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    padding: 1rem;
    backdrop-filter: blur(4px);
    opacity: 1;
    transition: opacity var(--transition-speed);
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background-color: var(--bg-surface);
    border-radius: var(--container-radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-surface);
}

.modal-header h2 {
    font-size: 1.25rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

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

.modal-body {
    padding: 1.5rem;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.report-table th, .report-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.report-table th {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 480px) {
    .counter-grid {
        gap: 0.5rem;
    }
    
    .counter-btn {
        padding: 0.75rem 0.1rem;
    }

    .counter-btn .word {
        font-size: 0.8rem;
    }

    .counter-btn .count {
        font-size: 1.5rem;
    }
    
    .session-controls {
        padding: 1rem;
    }
    
    .speaker-input-group {
        flex-direction: column;
    }
    
    .btn.primary {
        width: 100%;
    }

    .action-buttons {
        flex-direction: column;
    }

    .history-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .history-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .history-actions .btn, .history-actions label.btn {
        flex: 1 1 calc(50% - 0.5rem);
        min-width: 0; /* Allow shrinking */
        padding: 0.5rem 0.25rem;
        font-size: 0.8rem;
    }

    #speaker-name, #speaker-role {
        width: 100%;
    }
}