#sidebar {
    position: fixed; top: 0; left: 0;
    width: 280px; height: 100%;
    background-color: var(--surface-color); border-right: 1px solid var(--border-color);
    transform: translateX(-100%); transition: transform 0.3s ease-in-out;
    z-index: 4000; display: flex; flex-direction: column;
}
.sidebar-header { padding: 20px; border-bottom: 1px solid var(--border-color); }
.sidebar-header h3 { font-size: 1.4rem; text-align: center; }
.sidebar-links { list-style: none; padding: 15px 0; flex-grow: 1; }
.sidebar-links li a {
    display: flex; align-items: center; gap: 15px;
    padding: 12px 20px; text-decoration: none; color: var(--text-color);
    font-weight: 500; border-left: 4px solid transparent;
    transition: background-color 0.2s, border-left-color 0.2s;
}
.sidebar-links li a:hover { background-color: var(--bg-color); }
.sidebar-links li.active-link a {
    color: var(--primary-accent);
    font-weight: 600;
    border-left-color: var(--primary-accent);
}
.sidebar-links hr { border: none; border-top: 1px solid var(--border-color); margin: 15px 20px; }
.sidebar-footer { padding: 20px; border-top: 1px solid var(--border-color); }
.sidebar-footer #themeToggleBtn {
    background: var(--bg-color); width: 100%;
    font-size: 1.2rem; height: 40px; border-radius: 8px;
    border: 1px solid var(--border-color);
    color: var(--text-color); cursor: pointer;
}
#overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.5); z-index: 3999;
    opacity: 0; pointer-events: none;
    transition: opacity 0.3s ease-in-out;
}
body.sidebar-open #sidebar { transform: translateX(0); }
body.sidebar-open #overlay { opacity: 1; pointer-events: auto; }


header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 15px; margin-bottom: 40px;
}
#sidebar-toggle {
    background: none; border: none; color: var(--text-color);
    cursor: pointer; padding: 5px;
}
#sidebar-toggle svg { width: 30px; height: 30px; }
.header-title-wrapper { text-align: center; flex-grow: 1; }

header p { display: none; } 
.header-toggles { display: flex; gap: 10px; min-width: 40px; }

.sidebar-footer hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 15px 0;
}

.sidebar-dev-info {
    text-align: center;
    padding: 0 15px;
    margin-bottom: 20px;
}

.sidebar-dev-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
}

.sidebar-dev-info p {
    font-size: 0.8rem;
    color: var(--text-muted-color);
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    color: var(--text-muted-color);
    transition: color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
    color: var(--primary-accent);
    transform: translateY(-2px);
}

.social-links svg {
    width: 22px;
    height: 22px;
}

.free-rooms-list { background-color: var(--surface-color); padding: 20px; border-radius: 12px; border: 1px solid var(--border-color); }
.free-rooms-list h2 { text-align: center; margin-bottom: 20px; }
.free-rooms-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; }
.free-room-item { background: var(--bg-color); padding: 10px; border-radius: 8px; text-align: center; font-weight: 600; }



:root {
    --primary-accent: #3081f7;
    --secondary-accent: #29c5f6;
    --accent-gradient-dark: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    --accent-gradient-light: linear-gradient(90deg, #005ae0, #0095b9);
    --text-muted-color: #8b949e;
    --border-color-dark: rgba(255, 255, 255, 0.1);
    --border-color-light: rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] {
    --bg-color: #0d1117;
    --surface-color: #161b22;
    --text-color: #e6edf3;
    --border-color: var(--border-color-dark);
    --accent-gradient: var(--accent-gradient-dark);
}
[data-theme="light"] {
    --bg-color: #f4f7f6;
    --surface-color: #ffffff;
    --text-color: #1c1c1c;
    --border-color: var(--border-color-light);
    --accent-gradient: var(--accent-gradient-light);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow-x: hidden; }
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    transition: background-color 0.3s, color 0.3s;
    padding-bottom: 60px;
}


body::before, body::after { content: ''; position: absolute; z-index: -1; filter: blur(100px); border-radius: 50%; }
body::before { width: 400px; height: 400px; background: var(--primary-accent); top: -100px; left: -150px; animation: moveBlob1 15s infinite alternate; }
body::after { width: 500px; height: 500px; background: var(--secondary-accent); bottom: -150px; right: -200px; animation: moveBlob2 20s infinite alternate; }
@keyframes moveBlob1 { from { transform: translate(0, 0) rotate(0deg); } to { transform: translate(200px, 100px) rotate(180deg); } }
@keyframes moveBlob2 { from { transform: translate(0, 0) rotate(0deg); } to { transform: translate(-150px, -100px) rotate(360deg); } }
.container { max-width: 1200px; margin: 0 auto; padding: 20px; position: relative; z-index: 1; min-height: 100%; }



.my-schedule-controls {
    margin-bottom: 30px;
    text-align: center;
    
}
.my-schedule-controls label {
    display: block;
    font-size: 1.8rem; 
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
}
.schedule-subtitle {
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-muted-color);
}
.schedule-buttons {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 10px;
}
#browseToggleBtn {
    background: var(--text-muted-color);
    color: var(--surface-color);
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}


.schedule-tip-icon {
    display: inline-block;
    cursor: pointer;
    position: relative;
    vertical-align: middle;
    margin-left: 5px;
    color: var(--text-muted-color);
    transition: color 0.3s ease;
    animation: wobble 1.5s ease-in-out 3s;
}
.schedule-tip-icon:hover {
    color: var(--secondary-accent);
}


.schedule-tip-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    right: 50%;
    transform: translateX(50%);
    width: 220px;
    max-width: 60vw;
    background-color: var(--surface-color);
    color: var(--text-color);
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: normal;
    text-align: center;
    line-height: 1.4;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    pointer-events: none;
    z-index: 10;
}
.schedule-tip-icon:hover::after { opacity: 1; visibility: visible; }

@keyframes wobble {
    0%, 100% { transform: rotate(0deg); } 25% { transform: rotate(15deg); }
    50% { transform: rotate(-10deg); } 75% { transform: rotate(5deg); }
}

[data-theme="dark"] .choices {
    --choices-bg: var(--surface-color); --choices-input-color: var(--text-color);
    --choices-border-color: var(--border-color); --choices-item-bg-color: var(--primary-accent);
    --choices-item-text-color: #fff; --choices-dropdown-bg: var(--bg-color);
    --choices-dropdown-item-color: #1c1c1c;; --choices-dropdown-item-hover-bg: var(--surface-color);
}
[data-theme="light"] .choices {
    --choices-bg: var(--surface-color); --choices-input-color: var(--text-color);
    --choices-border-color: var(--border-color); --choices-item-bg-color: var(--primary-accent);
    --choices-item-text-color: #fff; --choices-dropdown-bg: var(--surface-color);
    --choices-dropdown-item-color: var(--text-color); --choices-dropdown-item-hover-bg: #f2f2f2;
}
.choices { width: 100%; max-width: 600px; margin: 0 auto; }
.choices__inner {
    background-color: var(--choices-bg); border: 1px solid var(--choices-border-color);
    border-radius: 8px; padding: 7.5px 7.5px 3.75px;
    font-size: 1rem; min-height: 44px;
}
.choices__input { background-color: transparent !important; color: var(--choices-input-color) !important; }
.choices__list--multiple .choices__item {
    background-color: var(--choices-item-bg-color); color: var(--choices-item-text-color);
    border: none; border-radius: 7px;
}
.choices__list--dropdown { background-color: var(--choices-dropdown-bg); border: 1px solid var(--choices-border-color); }
.choices__list--dropdown .choices__item { color: var(--choices-dropdown-item-color); }
.choices__list--dropdown .choices__item--selectable.is-highlighted { background-color: var(--choices-dropdown-item-hover-bg); }
.choices[data-items] .choices__placeholder, .choices.has-items .choices__placeholder { display: none; }
header h1 {
    font-weight: 600; font-size: 2.8rem; letter-spacing: 1px;
    background: var(--accent-gradient); -webkit-background-clip: text;
    background-clip: text; color: transparent;
}
header #sheetsLinkBtn {
    background: var(--surface-color); border: 1px solid var(--border-color); color: var(--text-color);
    font-size: 1.5rem; width: 45px; height: 45px; border-radius: 50%;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.2s ease;
}
header #sheetsLinkBtn:hover { border-color: var(--primary-accent); box-shadow: 0 0 10px rgba(48, 129, 247, 0.5); }
.controls { display: flex; flex-direction: column; gap: 20px; margin-bottom: 30px; }
.day-selector { display: flex; justify-content: space-between; background-color: var(--surface-color); border: 1px solid var(--border-color); backdrop-filter: blur(10px); border-radius: 12px; padding: 5px; }
.day-selector button { flex-grow: 1; padding: 12px 10px; border: none; background: none; color: var(--text-muted-color); font-size: 1rem; font-weight: 600; border-radius: 8px; cursor: pointer; transition: all 0.3s ease; }
.day-selector button.active { background: var(--accent-gradient); color: #fff; box-shadow: 0 0 20px rgba(48, 129, 247, 0.5); }
.search-container input { width: 100%; background-color: var(--surface-color); border: 1px solid var(--border-color); color: var(--text-color); border-radius: 8px; padding: 12px 15px; font-size: 1rem; transition: all 0.3s ease; backdrop-filter: blur(10px); }
.search-container input:focus { outline: none; border-color: var(--primary-accent); box-shadow: 0 0 15px rgba(48, 129, 247, 0.4); }
.view-toggle { display: flex; justify-content: center; margin-bottom: 20px; background: var(--surface-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 5px; width: fit-content; margin-left: auto; margin-right: auto; }
.view-btn { padding: 8px 20px; border: none; background: none; color: var(--text-muted-color); font-size: 1rem; font-weight: 600; border-radius: 8px; cursor: pointer; transition: all 0.3s ease; }
.view-btn.active { background: var(--accent-gradient); color: #fff; box-shadow: 0 0 20px rgba(48, 129, 247, 0.5); }

#free-rooms-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 15px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    border-radius: 12px;
    margin: 0 auto 20px auto;
    max-width: 500px;
}

.time-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-grow: 1;
}

#free-rooms-controls label {
    font-weight: 500;
    color: var(--text-muted-color);
}

#free-rooms-controls .filter-select {
    background-color: var(--bg-color); 
    padding: 8px 30px 8px 12px;
    min-width: 150px;
    flex-grow: 1;
}

#free-rooms-controls .filter-select:disabled {
    background-color: var(--surface-color);
    opacity: 0.5;
    cursor: not-allowed;
}

#time-select {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238b949e'%3E%3Cpath fill-rule='evenodd' d='M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 30px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
}

.current-time-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.current-time-toggle label {
    cursor: pointer;
}


.hidden {
    display: none !important;
}

@media (max-width: 480px) {
    #free-rooms-controls {
        flex-direction: column;
        align-items: stretch;
    }
}
#results-container { display: flex; flex-direction: column; gap: 20px; }
.class-card {
    border-radius: 12px;
    padding: 2px;
    background: var(--accent-gradient);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    
    
    opacity: 0; 
    animation: fadeInUp 0.5s ease-out forwards;
    animation-delay: calc(var(--card-index) * 40ms); 
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.class-card-inner { background-color: var(--surface-color); padding: 20px; border-radius: 11px; width: 100%; position: relative; }
.class-card.is-changed .class-card-inner { padding-bottom: 35px; }
.class-card:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); }
.card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 15px; margin-bottom: 15px; }
.class-card .course-title { font-size: 1.4rem; font-weight: 600; color: var(--text-color); }
.location-badge { flex-shrink: 0; background-color: rgba(41, 197, 246, 0.15); color: var(--secondary-accent); padding: 4px 12px; border-radius: 20px; font-weight: 600; font-size: 1rem; border: 1px solid rgba(41, 197, 246, 0.4); max-width: 150px; text-align: right; white-space: normal; line-height: 1.3; word-break: break-word; }
.class-card .course-title span { font-size: 1rem; font-weight: 300; color: var(--text-muted-color); margin-left: 8px; }
.class-detail { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; font-size: 0.95rem; }
.class-detail svg { width: 16px; height: 16px; fill: var(--text-muted-color); flex-shrink: 0; }
.class-card.is-changed .class-card-inner { box-shadow: 0 0 15px 5px #ffab00; }
.class-card.is-changed .course-title::after { content: 'UPDATED'; font-size: 0.7rem; font-weight: 600; color: #000; background: #ffab00; padding: 2px 6px; border-radius: 5px; margin-left: 10px; }
.class-card.is-new .class-card-inner { box-shadow: 0 0 15px 5px #4dff88; }
.class-card.is-new .course-title::after { content: 'NEW'; font-size: 0.7rem; font-weight: 600; color: #000; background: #4dff88; padding: 2px 6px; border-radius: 5px; margin-left: 10px; }

.change-details-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    text-align: left;
}

.change-details-list li {
    margin-bottom: 10px;
    background: var(--bg-color); 
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.change-details-list .field-name {
    font-weight: 600;
    color: var(--text-color);
    display: block;
    margin-bottom: 5px;
    text-transform: capitalize;
    font-size: 0.9rem;
}


.change-details-list .old-value {
    text-decoration: line-through;
    color: #ff6b6b; 
}


.change-details-list .new-value {
    color: #4dff88; 
    font-weight: 500;
}

.change-timestamp {
    font-size: 0.9rem;
    color: var(--text-muted-color);
    text-align: center;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.time-ago {    
    color: var(--text-color); 
    font-weight: 500;
}
.status-badge { position: absolute; bottom: 15px; right: 20px; padding: 3px 10px; font-size: 0.8rem; font-weight: 600; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0; transition: all 0.3s ease; }
.class-card:hover .status-badge { opacity: 1; }
.status-badge.status-upcoming { background-color: rgba(41, 197, 246, 0.2); color: var(--secondary-accent); border: 1px solid rgba(41, 197, 246, 0.4); }
.status-badge.status-ongoing { background-color: rgba(48, 129, 247, 0.2); color: var(--primary-accent); border: 1px solid rgba(48, 129, 247, 0.5); animation: pulse 2s infinite; }
.status-badge.status-finished { background-color: rgba(139, 148, 158, 0.1); color: var(--text-muted-color); border: 1px solid rgba(139, 148, 158, 0.2); }
.class-card.finished-card { opacity: 0.6 !important;}
.status-badge.status-neutral { display: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(48, 129, 247, 0.4); } 70% { box-shadow: 0 0 0 10px rgba(48, 129, 247, 0); } 100% { box-shadow: 0 0 0 0 rgba(48, 129, 247, 0); } }
.export-container { text-align: center; margin-bottom: 20px; }
#shareScheduleBtn { background: var(--accent-gradient); color: white; border: none; padding: 8px 15px; border-radius: 8px; cursor: pointer; font-weight: 600; }
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.8); backdrop-filter: blur(5px); }
.modal-content { background-color: var(--surface-color); padding: 25px; border: 1px solid var(--border-color); width: 90%; max-width: 600px; border-radius: 12px; text-align: center; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.close-button { color: var(--text-muted-color); float: right; font-size: 28px; font-weight: bold; cursor: pointer; }
#modalImage { max-width: 100%; height: auto; margin-top: 20px; border-radius: 8px; }
.loader { display: none; width: 50px; height: 50px; border: 5px solid var(--surface-color); border-top: 5px solid var(--primary-accent); border-radius: 50%; margin: 40px auto; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.no-results, .error-message { text-align: center; padding: 40px; color: var(--text-muted-color); }
.footer {
    position: fixed; bottom: 10px; left: 50%; transform: translateX(-50%);
    width: auto; padding: 0 20px; height: 45px; border-radius: 999px;
    background: rgba(22, 27, 34, 0.7); backdrop-filter: blur(10px);
    border: 1px solid var(--border-color); display: flex; align-items: center;
    justify-content: center; color: var(--text-muted-color); font-size: 0.9rem; z-index: 999;
    animation: bounce 2.5s infinite ease-in-out; animation-delay: 3s;
}
.footer a { color: var(--secondary-accent); text-decoration: none; font-weight: 600; transition: color 0.3s ease; }
.footer p { white-space: nowrap; }
.footer a:hover { color: var(--primary-accent); text-decoration: underline; }
@keyframes bounce { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, -6px); } }
.class-card.is-new .class-card-inner, .class-card.is-changed .class-card-inner { padding-bottom: 35px; }
.class-card.is-changed .click-prompt, .class-card.is-new .time-ago-prompt { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); font-size: 0.7rem; font-weight: 600; opacity: 1; pointer-events: none; }
.class-card.is-changed .click-prompt { color: #ffab00; }
.class-card.is-new .time-ago-prompt { color: #4dff88; white-space: nowrap; }


.free-rooms-list {
    background-color: transparent !important;
    border: none !important;
}

.free-room-card {
    border-radius: 12px;
    padding: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
    animation-delay: calc(var(--card-index) * 40ms);
}

.free-room-card-inner {
    background-color: var(--surface-color);
    padding: 20px;
    border-radius: 11px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    height: 100%;
}

.free-room-info {
    display: flex;
    flex-direction: column;
}

.free-room-info .status {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
}
.free-room-info .time-info {
    font-size: 0.9rem;
    color: var(--secondary-accent);
}

.free-room-details {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted-color);
    font-weight: 500;
}
.free-room-details svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.free-room-card .location-badge {
    background-color: rgba(41, 197, 246, 0.15); 
    color: var(--secondary-accent); 
    padding: 6px 16px; 
    border-radius: 20px; 
    font-weight: 600; 
    font-size: 1.1rem; 
    border: 1px solid rgba(41, 197, 246, 0.4);
    flex-shrink: 0;
}


#results-container.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.free-rooms-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

#free-rooms-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    border-radius: 12px;
    max-width: 500px; 
    width: 100%;
}



.free-room-card {
    border-radius: 12px;
    padding: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    animation: fadeInUp 0.5s ease-out forwards;
    animation-delay: calc(var(--card-index) * 40ms);
}

.free-room-card-inner {
    background-color: var(--surface-color);
    padding: 20px;
    border-radius: 11px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
}

.room-name {
    font-size: clamp(1.5rem, 8vw, 2rem); 
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.1;
}

.building-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted-color);
    margin-top: -5px;
}
.building-info svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.availability-status {
    font-weight: 500;
    color: var(--secondary-accent);
    background-color: rgba(41, 197, 246, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(41, 197, 246, 0.3);
    margin-top: 10px;
}


.image-export-container { position: absolute; left: -9999px; top: auto; width: 800px; padding: 20px; background: var(--bg-color); }
.announcement-bar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 2000;
    background: rgba(41, 197, 246, 0.15); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color); color: var(--text-color);
    display: flex; align-items: center; justify-content: center; padding: 12px 50px;
    overflow: hidden; transform: translateY(-100%); transition: transform 0.5s ease-in-out;
}
.announcement-bar.visible { transform: translateY(0); }
.announcement-bar p { margin: 0; font-weight: 500; text-align: center; white-space: normal; word-break: break-word; z-index: 3000; }
.announcement-bar a { color: var(--secondary-accent); font-weight: 700; text-decoration: underline; }
.announcement-close {
    position: absolute; top: 50%; right: 15px; transform: translateY(-50%); background: none; border: none;
    color: var(--text-color); font-size: 2rem; line-height: 1; cursor: pointer; opacity: 0.7; transition: opacity 0.2s ease;
}
.announcement-close:hover { opacity: 1; }
@media (min-width: 768px) {
    header { justify-content: flex-start; }
    .header-title-wrapper { text-align: left; margin: 0 auto 0 0; }
    header h1 { font-size: 3.5rem; }
    header p { display: block; }
    #sidebar-toggle { z-index: 5000; }
    .controls { flex-direction: row; align-items: center; justify-content: space-between; }
    #results-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
}


.image-export-container {
    position: absolute;
    left: -9999px;
    top: 0;
    width: 850px !important;
    padding: 50px !important;
    background-color: var(--bg-color) !important;
    box-sizing: border-box;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important; 
}

.image-export-container #export-schedule-content {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
    grid-template-columns: none !important;
    width: 100% !important;
}

.image-export-container .class-card {
    width: 100% !important;
    border-radius: 12px !important;
    padding: 2px !important;
    background: var(--accent-gradient) !important;
    display: block !important;
    margin: 0 !important;
    transition: none !important;
    transform: none !important;
    animation: none !important;
    opacity: 1 !important;
    box-shadow: none !important;
}

.image-export-container .class-card-inner {
    background-color: var(--surface-color) !important;
    padding: 25px !important;
    border-radius: 11px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-bottom: 25px !important;
    box-shadow: none !important;
}

.image-export-container .card-header {
    margin-bottom: 15px !important;
    align-items: flex-start !important;
}

.image-export-container .course-title {
    font-size: 1.6rem !important;
}

.image-export-container .class-detail {
    font-size: 1.1rem !important;
    margin-bottom: 10px !important;
}

.image-export-container .class-detail svg {
    width: 18px !important;
    height: 18px !important;
}

.image-export-container .status-badge,
.image-export-container .click-prompt,
.image-export-container .time-ago-prompt {
    display: none !important;
}


.image-export-container .export-header,
.image-export-container .export-watermark {
    
    text-align: center !important;
    width: 100% !important;
}

.image-export-container .export-header {
    margin-bottom: 40px !important;
    border-bottom: 2px solid var(--border-color) !important;
    padding-bottom: 20px !important; 
}

.image-export-container .export-header p {
    font-size: 1.4rem !important;
    color: var(--text-color) !important;
    margin-top: 10px !important;
}

.image-export-container .export-watermark {
    margin-top: 40px !important;
    padding-top: 20px !important;
    border-top: 1px solid var(--border-color) !important;
    font-size: 1rem !important;
}

.image-export-container .export-watermark a {
    color: var(--primary-accent) !important;
    text-decoration: none !important;
}