/* Сброс и базовые настройки */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #0d1117;
    color: #c9d1d9;
    height: 100vh;
}

/* Страница входа */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 4px;
    color: #f0f6fc;
}

.login-box h2 {
    font-size: 16px;
    font-weight: 400;
    color: #8b949e;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: #8b949e;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
    color: #c9d1d9;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #58a6ff;
}

.captcha-group label {
    font-size: 16px;
    color: #c9d1d9;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: #238636;
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-login:hover {
    background: #2ea043;
}

.error-message {
    background: #da3633;
    color: white;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.success-message {
    background: #238636;
    color: white;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.login-info {
    margin-top: 20px;
    padding: 12px;
    background: #0d1117;
    border-radius: 6px;
    font-size: 13px;
    color: #8b949e;
    text-align: center;
}

/* Приложение */
.app-container {
    display: flex;
    height: 100vh;
}

/* Боковое меню */
.sidebar {
    width: 300px;
    background: #161b22;
    border-right: 1px solid #30363d;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #30363d;
}

.sidebar-header h2 {
    font-size: 18px;
    color: #f0f6fc;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    font-size: 13px;
    color: #8b949e;
}

.role-badge {
    background: #238636;
    color: white;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav ul ul {
    padding-left: 20px;
}

.sidebar-nav li {
    margin: 0;
}

.sidebar-nav .folder,
.sidebar-nav a {
    display: block;
    padding: 6px 20px;
    color: #c9d1d9;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.1s;
    cursor: pointer;
}

.sidebar-nav .folder:hover,
.sidebar-nav a:hover {
    background: #21262d;
}

.sidebar-nav a.active {
    background: #21262d;
    border-left: 3px solid #58a6ff;
}

.sidebar-nav .has-children > .folder {
    font-weight: 600;
    color: #f0f6fc;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid #30363d;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn-logout {
    display: inline-block;
    padding: 8px 16px;
    background: #21262d;
    color: #c9d1d9;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    text-align: center;
    transition: background 0.2s;
}

.btn-logout:hover {
    background: #30363d;
}

.btn-admin-panel {
    display: inline-block;
    padding: 8px 16px;
    background: #1f6feb;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    text-align: center;
    transition: background 0.2s;
}

.btn-admin-panel:hover {
    background: #388bfd;
}

/* Основной контент */
.main-content {
    flex: 1;
    padding: 30px 40px;
    overflow-y: auto;
    background: #0d1117;
}

.content-header {
    margin-bottom: 30px;
}

.content-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: #f0f6fc;
}

.content-body {
    max-width: 900px;
}

.methodichka-content {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 30px;
    line-height: 1.8;
    font-size: 16px;
}

.empty-content {
    background: #161b22;
    border: 1px dashed #30363d;
    border-radius: 8px;
    padding: 60px 30px;
    text-align: center;
    color: #8b949e;
}

.select-hint {
    text-align: center;
    color: #8b949e;
    font-size: 18px;
    margin-top: 100px;
}

/* Панель администратора */
.admin-container {
    padding: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #30363d;
}

.admin-header h1 {
    font-size: 28px;
    color: #f0f6fc;
}

.admin-actions {
    display: flex;
    gap: 12px;
}

.btn-back {
    padding: 8px 16px;
    background: #21262d;
    color: #c9d1d9;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}

.admin-card {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 24px;
}

.admin-card h3 {
    margin-bottom: 20px;
    color: #f0f6fc;
}

.admin-card.full-width {
    grid-column: 1 / -1;
}

.btn-primary {
    padding: 8px 20px;
    background: #238636;
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary:hover {
    background: #2ea043;
}

.btn-small {
    padding: 4px 12px;
    background: #1f6feb;
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    font-size: 12px;
}

.btn-small:hover {
    background: #388bfd;
}

.btn-danger {
    padding: 4px 12px;
    background: #da3633;
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    font-size: 12px;
}

.btn-danger:hover {
    background: #f85149;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.users-table th {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 2px solid #30363d;
    color: #8b949e;
    font-weight: 500;
}

.users-table td {
    padding: 12px 10px;
    border-bottom: 1px solid #21262d;
}

.role-tag {
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    text-transform: uppercase;
}

.role-tag.admin {
    background: #da3633;
    color: white;
}

.role-tag.methodist {
    background: #1f6feb;
    color: white;
}

.role-tag.teacher {
    background: #238636;
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0d1117;
}

::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}