/* ============================================
   Beamer Presenter - Presenter Screen Styles
   ============================================ */

/* Start Screen */
.start-screen {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background:
        radial-gradient(ellipse at top, rgba(102, 126, 234, 0.15), transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(118, 75, 162, 0.1), transparent 50%),
        var(--bg-primary);
}

.start-container {
    width: 100%;
    max-width: 540px;
}

.start-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.start-header h1 {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.start-header p {
    color: var(--text-secondary);
}

.start-card {
    padding: var(--spacing-xl);
}

.start-section {
    margin-bottom: var(--spacing-lg);
}

.start-section:last-child {
    margin-bottom: 0;
}

.url-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.url-input-group .input {
    flex: 1;
}

.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.settings-row label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.advanced-content {
    padding-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Presenter Screen */
.presenter-screen {
    display: none;
    height: 100dvh;
    flex-direction: column;
    background: var(--bg-primary);
}

.presenter-screen.active {
    display: flex;
}

/* Top Bar */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--glass-border);
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.timer-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--glass-bg);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.page-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    min-width: 80px;
    /* Fixed width to prevent layout shift */
}

.page-current {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text-primary);
    min-width: 2ch;
    /* Fixed width for page numbers */
    text-align: right;
    font-variant-numeric: tabular-nums;
    /* Monospace numbers */
}

.page-total {
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    /* Monospace numbers */
}

.page-nav {
    display: flex;
    gap: var(--spacing-xs);
}

.page-jump {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.page-jump .input {
    width: 60px;
    text-align: center;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Time Display */
.time-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.clock,
.timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.time-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

.clock-value,
.timer-value {
    font-family: 'SF Mono', 'Fira Code', ui-monospace, monospace;
    font-size: 1rem;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.timer-value {
    min-width: 80px;
}

.timer-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.timer-controls .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

/* Main Content */
.presenter-main {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Preview Panel (Right) - Wider for future pointer feature */
.preview-panel {
    width: 40%;
    min-width: 350px;
    max-width: 550px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-left: 1px solid var(--glass-border);
    overflow-y: auto;
}

.preview-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.preview-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.preview-canvas-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 150px;
}

.preview-canvas-wrapper canvas {
    max-width: 100%;
    max-height: 100%;
    box-shadow: var(--shadow-md);
}

/* Notes Panel (Left) */
.notes-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    overflow: hidden;
}

.notes-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.notes-header h3 {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.notes-canvas-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.notes-canvas-wrapper canvas {
    max-width: 100%;
    max-height: 100%;
}

/* Bottom Bar */
.bottom-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
}

.bottom-bar-left,
.bottom-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}


/* Loading State */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    z-index: var(--z-modal);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-start);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 900px) {
    .presenter-main {
        flex-direction: column;
    }

    .preview-panel {
        width: 100%;
        max-width: none;
        flex-direction: row;
        border-left: none;
        border-top: 1px solid var(--glass-border);
    }

    .preview-section {
        flex: 1;
    }
}