:root {
    --bg-color: #f5f5f5;
    --text-color: #333;
    --card-bg: #fff;
    --accent: #4a90e2;
    --shadow: rgba(0,0,0,0.1);
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --card-bg: #2a2a2a;
    --accent: #5ba3f5;
    --shadow: rgba(255,255,255,0.1);
}

[data-theme="dark"] #admin-panel {
    color: white;
}

.admin-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-tabs button {
    background: none;
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s, color 0.3s;
}

.admin-tabs button.active,
.admin-tabs button:hover {
    background-color: var(--accent);
    color: var(--card-bg);
}

.admin-tab-content {
    display: block;
}

.admin-tab-content.hidden {
    display: none;
}

/* New styles for admin assignment list items */
#edit-list > div {
    border: 2px solid var(--accent);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
}

/* Style buttons inside edit list */
#edit-list button {
    margin-left: 0.5rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: 1px solid var(--accent);
    background: none;
    color: var(--accent);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

#edit-list button:hover {
    background-color: var(--accent);
    color: var(--card-bg);
}

/* Stack form fields vertically */
#add-assignment-form label {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

#add-assignment-form input[type="text"],
#add-assignment-form input[type="date"],
#add-assignment-form input[type="file"],
#add-assignment-form select,
#add-assignment-form textarea {
    margin-top: 0.3rem;
    padding: 0.4rem 0.6rem;
    border: 1.5px solid var(--accent);
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#add-assignment-form input[type="text"]:focus,
#add-assignment-form input[type="date"]:focus,
#add-assignment-form input[type="file"]:focus,
#add-assignment-form select:focus,
#add-assignment-form textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    outline: none;
}

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

/* Loading screen styles */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

#loading-screen img {
    width: 100px;
    height: 100px;
}

#loading-screen p {
    margin-top: 1rem;
    font-size: 1.2rem;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
    top: 0;
    left: 0;
}


header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--card-bg);
    box-shadow: 0 2px 4px var(--shadow);
}

h1 {
    font-size: 1.5rem;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
}

[data-theme="dark"] #admin-login {
    color: white !important;
}

#filters {
    display: flex;
    gap: 1rem;
    padding: 1rem 2rem;
    flex-wrap: wrap;
    margin-top: 0; /* Убираем фиксированный отступ */
    padding-top: 8.5rem; /* Высота шапки + отступ сверху */
}

select, input[type="date"] {
    padding: 0.6rem 1rem;
    border: 1.5px solid var(--accent);
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 5px transparent;
}

select:hover, input[type="date"]:hover,
select:focus, input[type="date"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    outline: none;
}

#assignments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding: 2rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Homework cards container */
main section:last-of-type {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding: 2rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.assignment-card {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow);
    cursor: pointer;
    transition: transform 0.2s;
}

.assignment-card:hover {
    transform: translateY(-5px);
}

.assignment-card h3 {
    margin-bottom: 0.5rem;
}

.assignment-card p {
    font-size: 0.9rem;
    color: var(--accent);
}

.modal {
    display: flex;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
}

.hidden {
    display: none;
}



/* Admin page styles */
.assignment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow);
    margin-bottom: 1rem;
}

.assignment-item h3 {
    margin-bottom: 0.5rem;
}

.assignment-item p {
    font-size: 0.9rem;
    color: var(--accent);
}

.assignment-item button {
    margin-left: 0.5rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: 1px solid var(--accent);
    background: none;
    color: var(--accent);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.assignment-item button:hover {
    background-color: var(--accent);
    color: var(--card-bg);
}

#add-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--card-bg);
    border: none;
    font-size: 2rem;
    cursor: pointer;
    box-shadow: 0 4px 8px var(--shadow);
    transition: background-color 0.3s;
}

#add-button:hover {
    background-color: #357abd;
}

/* Beautiful homework cards layout */
.hw-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(74, 144, 226, 0.05) 100%);
    border: 1px solid rgba(74, 144, 226, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.hw-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #5ba3f5, var(--accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hw-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.15);
    border-color: rgba(74, 144, 226, 0.3);
}

.hw-card:hover::before {
    opacity: 1;
}

.hw-card p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

.hw-card p strong {
    color: var(--accent);
}

/* Styles for overdue assignments */
.hw-card.overdue {
    border-left: 4px solid #ff6b6b;
    background-color: rgba(255, 107, 107, 0.1);
}

[data-theme="dark"] .hw-card.overdue {
    background-color: rgba(255, 107, 107, 0.2);
    border-left-color: #ff5252;
}

.overdue-text {
    color: #ff6b6b !important;
    font-weight: bold;
    margin-top: 0.5rem;
}

[data-theme="dark"] .overdue-text {
    color: #ff5252 !important;
}

/* Styles for completed assignments */
.hw-card.completed {
    border-left: 4px solid #4caf50;
    background-color: rgba(76, 175, 80, 0.1);
}

[data-theme="dark"] .hw-card.completed {
    background-color: rgba(76, 175, 80, 0.2);
    border-left-color: #66bb6a;
}

.completed-indicator {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: rgba(76, 175, 80, 0.1);
    border-radius: 6px;
    border-left: 3px solid #4caf50;
    display: none;
}

.hw-card.completed .completed-indicator {
    display: block;
}

[data-theme="dark"] .completed-indicator {
    background-color: rgba(76, 175, 80, 0.2);
    border-left-color: #66bb6a;
}

.completed-text {
    color: #4caf50 !important;
    font-weight: bold;
}

[data-theme="dark"] .completed-text {
    color: #66bb6a !important;
}

.complete-button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    margin-right: 0.5rem;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

.complete-button:hover {
    background: #357abd;
}

.complete-button.completed {
    background: #4caf50;
}

.complete-button.completed:hover {
    background: #45a049;
}

/* Styles for checkbox label */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border: 1.5px solid var(--accent);
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 5px transparent;
}

/* Styles for date filter labels */
#filters label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.6rem 1rem;
    border: 1.5px solid var(--accent);
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 5px transparent;
}

#filters label:hover {
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

#filters input[type="date"] {
    margin-top: 0.3rem;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--accent);
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

#filters input[type="date"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 6px var(--accent);
    outline: none;
}

.checkbox-label:hover {
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

/* Enhanced styles for homework cards */
.hw-card-header {
    margin-bottom: 1rem;
}

.hw-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.3rem;
}

.hw-card-subject {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
    background-color: rgba(74, 144, 226, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    display: inline-block;
}

.hw-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.hw-card-description {
    color: var(--text-color);
    line-height: 1.5;
    margin: 0;
}

.hw-card-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hw-card-type {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
    background-color: var(--card-bg);
    border: 1px solid var(--accent);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
}

.hw-card-date {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.8;
}

.hw-card-deadline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(74, 144, 226, 0.2);
}

.deadline-label {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
}

.deadline-date {
    font-weight: 500;
    color: var(--accent);
    font-size: 0.9rem;
}

.deadline-date.overdue {
    color: #ff6b6b;
    font-weight: 600;
}

.deadline-date.urgent {
    color: #ff6b6b;
    font-weight: 600;
}

.deadline-date.far {
    color: #059669;
    font-weight: 600;
}

[data-theme="dark"] .deadline-date.urgent {
    color: #ff5252;
}

[data-theme="dark"] .deadline-date.far {
    color: #34d399;
}

.overdue-indicator {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: rgba(255, 107, 107, 0.1);
    border-radius: 6px;
    border-left: 3px solid #ff6b6b;
}

[data-theme="dark"] .overdue-indicator {
    background-color: rgba(255, 107, 107, 0.2);
    border-left-color: #ff5252;
}

/* Style for no assignments message */
.no-assignments {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-color);
    opacity: 0.7;
    font-size: 1.1rem;
}

/* Admin button styling */
#admin-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--card-bg);
    border: none;
    font-size: 2rem;
    cursor: pointer;
    box-shadow: 0 4px 8px var(--shadow);
    transition: background-color 0.3s, transform 0.2s;
    z-index: 1000;
}

#admin-button:hover {
    background-color: #357abd;
    transform: scale(1.1);
}


/* Mobile responsive fixes for assignments */

/* Mobile responsive fixes */
@media (max-width: 768px) {
    /* Center homework cards on mobile */
    main section:last-of-type {
        padding: 2rem 1rem;
        justify-content: center;
        grid-template-columns: 1fr;
    }
    
    /* Center assignments list on mobile */
    #assignments-container {
        padding: 2rem 1rem;
        justify-content: center;
        grid-template-columns: 1fr;
    }
    
    /* Center filters on mobile */
    #filters {
        justify-content: center;
        padding: 1rem;
        flex-direction: column;
        align-items: center;
        margin-top: 0; /* Убираем фиксированный отступ */
        padding-top: calc(1rem + 1.5rem + 1rem); /* Высота шапки + отступ сверху для мобильных */
    }
    
    /* Center assignments list section */
    #assignments-list {
        display: flex;
        justify-content: center;
        width: 100%;
    }
    
    /* Make assignment items full width on mobile */
    .assignment-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .assignment-actions {
        width: 100%;
        display: flex;
        gap: 0.5rem;
    }
    
    .assignment-actions button {
        flex: 1;
    }
}

/* Assignment info styling */
.assignment-info {
    flex: 1;
}

.assignment-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

.assignment-info p {
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: var(--accent);
}

.assignment-info .subject {
    font-weight: 500;
}

.assignment-info .type {
    font-style: italic;
    opacity: 0.8;
}

.assignment-info .dates {
    margin: 0.5rem 0;
    line-height: 1.4;
}

.assignment-info .description {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.4;
}

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.status-badge.active {
    background-color: rgba(5, 150, 105, 0.1);
    color: #059669;
}

.status-badge.overdue {
    background-color: rgba(255, 107, 107, 0.1);
    color: #ff6b6b;
}

[data-theme="dark"] .status-badge.active {
    background-color: rgba(5, 150, 105, 0.2);
    color: #34d399;
}

[data-theme="dark"] .status-badge.overdue {
    background-color: rgba(255, 107, 107, 0.2);
    color: #ff5252;
}

/* Clean and simple header styling for index.php */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    background-color: var(--card-bg);
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 2px 8px var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Состояние шапки при прокрутке - Acrylic эффект */
header.scrolled {
    padding: 0.85rem 2rem; /* Уменьшение на 15% от 1.2rem */
    transform: scale(0.85);
    transform-origin: center center;
    top: 1rem; /* Отступ от верхнего края */
    border-radius: 16px; /* Закругленные углы */
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25); /* Усиленная тень для плавающего эффекта */
    background-color: rgba(255, 255, 255, 0.45); /* Максимальная прозрачность для лучшего Acrylic эффекта */
    backdrop-filter: blur(40px) saturate(200%); /* Усиленное размытие + насыщенность для Acrylic */
    -webkit-backdrop-filter: blur(40px) saturate(200%); /* Поддержка Safari */
    border: 1px solid rgba(255, 255, 255, 0.15); /* Более прозрачная граница для лучшего эффекта */
    justify-content: space-between;
}

/* Поддержка темной темы для полупрозрачной шапки */
[data-theme="dark"] header.scrolled {
    background-color: rgba(42, 42, 42, 0.45); /* Максимальная прозрачность для темной темы */
    border: 1px solid rgba(255, 255, 255, 0.15); /* Легкая граница для темной темы */
}

.header-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-icon {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    letter-spacing: -0.01em;
}

header .header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

header #theme-toggle {
    background-color: var(--bg-color);
    border: 2px solid var(--accent);
    color: var(--accent);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

header #theme-toggle:hover {
    background-color: var(--accent);
    color: var(--card-bg);
    transform: scale(1.05);
}

header .login-link {
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    padding: 0.7rem 1.3rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border: 2px solid var(--accent);
}

header .login-link:hover {
    background-color: transparent;
    color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
}

header .login-link:active {
    transform: translateY(0);
}

/* Mobile responsive header */
@media (max-width: 768px) {
    header {
        padding: 1rem 1.5rem;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0;
        text-align: left;
    }

    /* Скрываем заголовок всегда на мобильных */
    header h1 {
        display: none;
    }

    /* Кнопки в одну строку справа */
    header .header-actions {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: 0.5rem;
        width: auto;
    }

    header.scrolled .header-actions {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: 0.5rem;
        width: auto;
    }

    header.scrolled {
        padding: 0.2rem 1.5rem;
        justify-content: center;
    }

    header #theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    header.scrolled #theme-toggle {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }

    header .login-link {
        padding: 0.6rem 1.1rem;
        font-size: 0.85rem;
    }

    header.scrolled .login-link {
        padding: 0.5rem 0.9rem;
        font-size: 0.8rem;
    }

    /* Фикс для фильтров на мобильных - отступ сверху, чтобы не перекрывались плавающей шапкой */
    #filters {
        margin-top: 120px !important;
        padding: 1rem;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    /* Исправляем отступы для основного контента */
    main section:last-of-type {
        padding-top: 140px !important; /* Учитываем высоту шапки */
    }

    /* Исправляем отступы для списка заданий */
    #assignments {
        padding-top: 140px !important;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.8rem 1rem;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0;
        text-align: left;
    }

    /* Скрываем заголовок всегда на мобильных */
    header h1 {
        display: none;
    }

    /* Кнопки в одну строку справа */
    header .header-actions {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: 0.4rem;
        width: auto;
    }

    header.scrolled .header-actions {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: 0.4rem;
        width: auto;
    }

    header.scrolled {
        padding: 0.4rem 1rem;
        justify-content: center;
    }

    header #theme-toggle {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

    header.scrolled #theme-toggle {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }

    header .login-link {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }

    header.scrolled .login-link {
        padding: 0.4rem 0.7rem;
        font-size: 0.75rem;
    }

    /* Фикс для фильтров на очень маленьких экранах */
    #filters {
        margin-top: 100px !important;
        padding: 1rem;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    /* Исправляем отступы для основного контента на маленьких экранах */
    main section:last-of-type {
        padding-top: 120px !important; /* Учитываем высоту шапки */
    }

    /* Исправляем отступы для списка заданий на маленьких экранах */
    #assignments {
        padding-top: 120px !important;
    }
}

/* Static header for starosta.php */
.starosta-header {
    position: static !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card-bg);
    border-bottom: 1px solid var(--accent);
    box-shadow: none;
    z-index: 10;
    width: 100%;
    transition: transform 0.3s ease;
}

.starosta-header.hidden {
    transform: translateY(-100%);
}

/* Add padding to content to account for header */
.homework-container {
    padding-top: 4rem;
}

.starosta-header h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
}

.starosta-header .header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

    .starosta-header #theme-toggle,
    .starosta-header #back-to-main {
        padding: 0 1rem 0.5rem 1rem;
        border: none;
        border-radius: 0.5rem;
        background: var(--accent);
        color: var(--card-bg);
        cursor: pointer;
        font-size: 1rem;
        transition: background-color 0.3s ease;
    }

.starosta-header #theme-toggle:hover,
.starosta-header #back-to-main:hover {
    background: var(--accent-hover, #357abd);
}

/* Mobile responsive for starosta header */
@media (max-width: 768px) {
    .starosta-header {
        padding: 0 1.5rem 0 1.5rem;
        flex-direction: column;
        gap: -0.5rem;
        justify-content: flex-start;
    }

    .starosta-header h1 {
        font-size: 1.5rem;
        margin: 0 0 -0.5rem 0;
        line-height: 1;
    }

    .starosta-header .header-actions {
        width: 100%;
        justify-content: space-between;
        margin-top: -0.5rem !important;
        padding-top: 0;
        align-self: flex-start;
    }

    .starosta-header.scrolled {
        flex-direction: row;
        align-items: center;
        padding: 0.5rem 0;
        justify-content: space-between;
        position: relative;
    }

    .starosta-header.scrolled h1 {
        display: none;
    }

    .starosta-header.scrolled .header-actions {
        display: none;
    }

    .starosta-header.scrolled #theme-toggle {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        margin: 0;
        padding: 0.3rem;
        font-size: 1rem;
    }

    .starosta-header.scrolled #back-to-main {
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        margin: 0;
        padding: 0.3rem 0.6rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .starosta-header {
        padding: 0 1rem 0 1rem;
        gap: -0.5rem;
        justify-content: flex-start;
    }

    .starosta-header h1 {
        font-size: 1.3rem;
        margin: 0 0 -0.5rem 0;
        line-height: 1;
    }

    .starosta-header .header-actions {
        margin-top: -0.5rem !important;
        padding-top: 0;
        align-self: flex-start;
    }

    .starosta-header #theme-toggle,
    .starosta-header #back-to-main {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }

    .starosta-header.scrolled {
        flex-direction: row;
        align-items: center;
        padding: 0.4rem 0;
        justify-content: space-between;
        position: relative;
    }

    .starosta-header.scrolled h1 {
        display: none;
    }

    .starosta-header.scrolled .header-actions {
        display: none;
    }

    .starosta-header.scrolled #theme-toggle {
        position: absolute;
        left: 0.8rem;
        top: 50%;
        transform: translateY(-50%);
        margin: 0;
        padding: 0.3rem;
        font-size: 1rem;
    }

    .starosta-header.scrolled #back-to-main {
        position: absolute;
        right: 0.8rem;
        top: 50%;
        transform: translateY(-50%);
        margin: 0;
        padding: 0.3rem 0.6rem;
        font-size: 0.85rem;
    }
}