:root {
    --bg-dark: #0b1120;
    --panel-bg: rgba(15, 23, 42, 0.94);
    --border-color: rgba(255, 255, 255, 0.12);
    --accent: #00ffcc;
    --accent-glow: rgba(0, 255, 204, 0.35);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    user-select: none;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
}

/* Üst Kontrol & Araç Çubuğu (Toolbar) */
header.topbar {
    height: 52px;
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    z-index: 100;
    gap: 12px;
}

.topbar-cluster {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.cluster-left {
    gap: 10px;
}

.cluster-center {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3px 6px;
    gap: 4px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.cluster-right {
    gap: 8px;
}

.header-divider, .segment-divider {
    width: 1px;
    height: 22px;
    background: rgba(255, 255, 255, 0.12);
    margin: 0 3px;
    flex-shrink: 0;
}

.tool-segment, .action-segment {
    display: flex;
    align-items: center;
    gap: 3px;
}

.brand-logo {
    font-size: 18px;
    font-weight: 800;
    background: linear-gradient(135deg, #00ffcc, #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}

.brand-icon {
    flex-shrink: 0;
}

/* Evrensel SVG Vektör İkon Stilleri */
.svg-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
    transition: transform 0.15s ease, stroke 0.15s ease;
}

/* Sayfa Navigasyonu */
.page-nav-group {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2px 6px;
    gap: 4px;
}

.btn-nav {
    background: transparent;
    border: none;
    color: var(--text-primary);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.btn-nav:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.05);
}

.btn-nav .svg-icon {
    width: 14px;
    height: 14px;
}

.page-counter {
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.5px;
    padding: 0 2px;
}

.select-bg {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 11.5px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}

.select-bg:focus {
    border-color: var(--accent);
}

.btn-tool {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 5px 8px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s ease;
}

.btn-tool:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.btn-tool.active {
    background: var(--accent);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 10px var(--accent-glow);
}

.btn-tool.active .svg-icon {
    stroke: #000;
}

.btn-tool.btn-icon-only {
    padding: 5px 6px;
}

.btn-tool.btn-icon-compact {
    padding: 5px 7px;
    font-size: 11.5px;
}

.btn-tool.btn-danger:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
}

/* Renk Kutuları */
.color-picker-group {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 2px;
}

.color-dot {
    width: 17px;
    height: 17px;
    border-radius: 50%;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: transform 0.15s;
}

.color-dot.color-black {
    border: 1.5px solid rgba(255, 255, 255, 0.45);
}

.color-dot.active {
    transform: scale(1.25);
    border-color: #fff;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
}

/* Sağ Birleşik Oda Rozeti */
.session-unified-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.14);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #10b981;
    font-size: 11.5px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.session-unified-badge:hover {
    background: rgba(16, 185, 129, 0.22);
    border-color: #10b981;
}

.session-code-bold {
    color: #00ffcc;
    font-family: monospace;
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.badge-pipe {
    color: rgba(255, 255, 255, 0.25);
    font-weight: normal;
    font-size: 11px;
}

.btn-action {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.btn-action:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-action.btn-icon-only {
    padding: 6px 9px;
}

.btn-connect {
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.15), rgba(56, 189, 248, 0.15));
    border-color: rgba(0, 255, 204, 0.4);
    color: var(--accent);
}

.btn-connect:hover {
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.25), rgba(56, 189, 248, 0.25));
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(0, 255, 204, 0.25);
}

.btn-shutdown {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.btn-shutdown:hover {
    background: #ef4444;
    color: #fff;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

/* Ana Tahta Alanı */
main {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: crosshair;
}

#boardCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

/* QR Kod Açılır Paneli (Modal) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

/* El Kaldırma Rozeti ve Bildirim Bandı */
.hand-raise-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 214, 10, 0.2);
    border: 1px solid #ffd60a;
    color: #ffd60a;
    font-size: 11.5px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 0 14px rgba(255, 214, 10, 0.4);
    animation: handPulse 1.2s infinite;
}

@keyframes handPulse {
    0% { transform: scale(0.97); box-shadow: 0 0 0 0 rgba(255, 214, 10, 0.7); }
    70% { transform: scale(1.03); box-shadow: 0 0 0 8px rgba(255, 214, 10, 0); }
    100% { transform: scale(0.97); box-shadow: 0 0 0 0 rgba(255, 214, 10, 0); }
}

.hand-raise-banner {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: #0f172a;
    border: 2px solid #ffd60a;
    color: #fff;
    padding: 10px 20px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7), 0 0 25px rgba(255, 214, 10, 0.35);
    z-index: 1000;
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from { top: 20px; opacity: 0; }
    to { top: 60px; opacity: 1; }
}

.btn-dismiss-hand {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.15s;
}

.btn-dismiss-hand:hover {
    background: #ffd60a;
    color: #000;
}

/* Rol Sekmeleri */
.modal-tabs {
    display: flex;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3px;
    margin-bottom: 16px;
    gap: 4px;
}

.modal-tab {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 10px;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
}

.modal-tab:hover {
    color: #fff;
}

.modal-tab.active {
    background: rgba(56, 189, 248, 0.2);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.4);
}

.modal-tab:nth-child(2).active {
    background: rgba(0, 255, 204, 0.18);
    color: #00ffcc;
    border: 1px solid rgba(0, 255, 204, 0.4);
}

.role-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.role-teacher {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.35);
}

.role-student {
    background: rgba(0, 255, 204, 0.15);
    color: #00ffcc;
    border: 1px solid rgba(0, 255, 204, 0.35);
}

.teacher-qr-border {
    border-color: #38bdf8 !important;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.25) !important;
}

.student-qr-border {
    border-color: #00ffcc !important;
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.25) !important;
}

/* El Kaldırma Bildirimi */
.hand-raise-toast {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: #0f172a;
    border: 1.5px solid #ffd60a;
    color: #ffd60a;
    padding: 12px 20px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 13.5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 214, 10, 0.25);
    z-index: 1000;
    animation: bounce 0.4s ease;
}

@keyframes bounce {
    0% { transform: scale(0.85); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

.modal-content {
    position: relative;
    background: #0f172a;
    border: 1px solid rgba(0, 255, 204, 0.3);
    border-radius: 20px;
    padding: 26px 28px;
    max-width: 400px;
    width: 92%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 255, 204, 0.1);
}

.modal-close-x {
    position: absolute;
    top: 14px;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: color 0.15s;
    padding: 4px;
}

.modal-close-x:hover {
    color: #fff;
}

.modal-pin-box {
    background: rgba(0, 255, 204, 0.08);
    border: 1px dashed rgba(0, 255, 204, 0.4);
    border-radius: 12px;
    padding: 8px 18px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 12px 0 8px 0;
}

.modal-pin-label {
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    font-weight: 700;
}

.modal-pin-number {
    font-size: 26px;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: 3px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.modal-codes-row {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
    margin: 10px 0 6px 0;
    width: 100%;
}

.modal-codes-row .modal-pin-box {
    margin: 0;
    flex: 1;
}

.teacher-key-pin-box {
    background: rgba(56, 189, 248, 0.08) !important;
    border-color: rgba(56, 189, 248, 0.45) !important;
}

.teacher-key-number {
    color: #38bdf8 !important;
}

.connected-stats-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.stat-badge-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 600;
}

.chip-svg {
    stroke: #38bdf8;
}

.stat-badge-chip:last-child .chip-svg {
    stroke: #00ffcc;
}

.modal-url-container {
    display: flex;
    gap: 6px;
    align-items: center;
    margin: 10px 0 14px 0;
}

.mobile-url-input {
    flex: 1;
    background: #060b13;
    border: 1px solid var(--border-color);
    color: var(--accent);
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 12px;
    outline: none;
    font-family: monospace;
}

.btn-copy-url {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-copy-url:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.modal-footer-note {
    font-size: 11px;
    color: #38bdf8;
    margin-bottom: 12px;
    line-height: 1.4;
}

.qr-box {
    background: #0b1120;
    padding: 16px;
    border-radius: 16px;
    border: 2px solid var(--accent);
    display: inline-block;
    margin: 18px 0;
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.2);
}

.qr-box img {
    width: 200px;
    height: 200px;
    display: block;
}

.btn-close-modal {
    background: var(--accent);
    color: #000;
    border: none;
    font-weight: 700;
    padding: 8px 24px;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 10px;
}

/* --- Canlı Ders Lobi & Oturum Başlatma Stilleri --- */
.lobby-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 17, 32, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lobby-card {
    background: #0f172a;
    border: 1px solid rgba(0, 255, 204, 0.25);
    border-radius: 24px;
    padding: 44px 36px;
    max-width: 520px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 255, 204, 0.1);
}

.lobby-logo {
    display: inline-flex;
    padding: 16px;
    background: rgba(0, 255, 204, 0.08);
    border-radius: 20px;
    border: 1px solid rgba(0, 255, 204, 0.3);
    margin-bottom: 20px;
}

.lobby-title {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 8px 0;
    background: linear-gradient(135deg, #ffffff 40%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.lobby-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 26px 0;
    line-height: 1.5;
}

.lobby-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
    text-align: left;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 16px;
}

.lobby-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #cbd5e1;
    font-size: 13.5px;
}

.feature-icon {
    width: 18px;
    height: 18px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 2;
    flex-shrink: 0;
}

.btn-start-lesson {
    width: 100%;
    background: linear-gradient(135deg, #00ffcc 0%, #10b981 100%);
    color: #0b1120;
    border: none;
    border-radius: 16px;
    padding: 16px 28px;
    font-size: 17px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0, 255, 204, 0.35);
    transition: all 0.2s ease;
}

.btn-start-lesson:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(0, 255, 204, 0.5);
}

.btn-start-lesson:active {
    transform: translateY(0);
}

.lobby-note {
    font-size: 12px;
    color: #64748b;
    margin-top: 16px;
}

/* Canlı Oturum Rozeti */
.session-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid #10b981;
    color: #10b981;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.session-pulse {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.session-code-pill {
    background: rgba(0, 255, 204, 0.2);
    color: #00ffcc;
    padding: 2px 7px;
    border-radius: 8px;
    font-size: 11px;
}

.btn-end-lesson {
    background: rgba(239, 68, 68, 0.18) !important;
    border-color: #ef4444 !important;
    color: #f87171 !important;
}

.btn-end-lesson:hover {
    background: #ef4444 !important;
    color: #ffffff !important;
}

/* Sayfa Silme Butonu */
.btn-del-page {
    color: #ef4444 !important;
}
.btn-del-page:hover {
    background: rgba(239, 68, 68, 0.22) !important;
    border-color: rgba(239, 68, 68, 0.6) !important;
}

/* Tahta Yönü / Format Butonu */
.btn-orientation {
    gap: 5px;
    font-size: 11.5px;
    font-weight: 600;
}
.btn-orientation.active {
    color: #00ffcc !important;
    border-color: rgba(0, 255, 204, 0.4) !important;
}

/* PDF Sayfa Seçici Modalı */
.pdf-modal-card {
    max-width: 520px !important;
    width: 92% !important;
    padding: 22px !important;
}

.pdf-preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 14px 0;
}

.pdf-preview-box {
    position: relative;
    width: 100%;
    max-height: 300px;
    background: #080d1a;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8px;
}

.pdf-preview-canvas {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.pdf-preview-loading {
    position: absolute;
    color: #38bdf8;
    font-size: 13px;
    font-weight: 600;
}

.pdf-page-stepper {
    display: flex;
    align-items: center;
    gap: 14px;
}

.btn-pdf-nav {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.15s ease;
}

.btn-pdf-nav:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: #38bdf8;
}

.pdf-current-page-text {
    font-size: 13px;
    font-weight: 700;
    color: #00ffcc;
}

.pdf-action-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    margin-top: 10px;
}

.btn-pdf-action {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.18s ease;
    border: none;
}

.btn-pdf-primary {
    background: linear-gradient(135deg, #00ffcc 0%, #0284c7 100%);
    color: #04101e;
    box-shadow: 0 4px 14px rgba(0, 255, 204, 0.25);
}

.btn-pdf-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.pdf-range-group {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 10px;
    justify-content: space-between;
}

.pdf-range-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.pdf-num-input {
    width: 44px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    padding: 4px;
}

.btn-pdf-secondary {
    background: rgba(56, 189, 248, 0.15);
    border: 1px solid #38bdf8;
    color: #38bdf8;
}

.btn-pdf-secondary:hover {
    background: #38bdf8;
    color: #0b1120;
}

.pdf-progress-box {
    margin-top: 10px;
    width: 100%;
}

.pdf-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.pdf-progress-fill {
    width: 0%;
    height: 100%;
    background: #00ffcc;
    transition: width 0.2s ease;
}

.pdf-progress-text {
    font-size: 11px;
    color: #00ffcc;
    display: block;
    margin-top: 4px;
    text-align: center;
}