/* ========================================
   ADMIN PANEL SPECIFIC STYLES
   ======================================== */

.navbar-admin {
    background: rgba(20, 10, 30, 0.98);
    border-bottom-color: var(--warning-red);
}

.navbar-admin .nav-logo {
    color: var(--warning-red);
    text-shadow: 0 0 10px var(--warning-red);
}

.navbar-admin .nav-menu a.active {
    color: var(--warning-red);
    background: rgba(255, 0, 85, 0.1);
}

.btn-admin {
    border-color: var(--warning-red);
    color: var(--warning-red);
}

.btn-admin:hover {
    background: var(--warning-red);
    color: white;
    box-shadow: 0 0 20px rgba(255, 0, 85, 0.5);
}

/* Admin Stats Grid */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(10, 20, 30, 0.95);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.stat-card-icon {
    font-size: 3rem;
}

.stat-card-content {
    flex: 1;
}

.stat-card-value {
    font-size: 2.5rem;
    color: var(--primary-green);
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-card-label {
    font-size: 0.9rem;
    color: var(--text-dim);
    text-transform: uppercase;
}

/* Filters Section */
.filters-section {
    margin-bottom: 25px;
}

.filters-grid {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.filter-btn.active {
    background: var(--primary-green);
    color: var(--bg-dark);
    border-color: var(--primary-green);
}

/* Submissions */
.submissions-section {
    margin-top: 25px;
}

.bulk-actions-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid rgba(0, 255, 65, 0.35);
    border-radius: 6px;
    background: rgba(0, 255, 65, 0.05);
}

.bulk-actions-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.bulk-actions-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.bulk-select-all-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.bulk-selected-count {
    color: var(--primary-green);
    font-weight: bold;
    font-size: 0.9rem;
}

.bulk-comment-input {
    min-width: 250px;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.bulk-comment-input:focus {
    outline: none;
    border-color: var(--primary-green);
}

.submission-select {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 6px;
}

.submission-select input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-green);
}

.submission-item {
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.submission-item:hover {
    background: rgba(0, 255, 65, 0.1);
    transform: translateX(5px);
}

.submission-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.submission-user {
    font-size: 1.1rem;
    color: var(--primary-green);
    font-weight: bold;
}

.submission-exercise {
    color: var(--text-light);
    font-size: 0.95rem;
}

.submission-status {
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: bold;
}

.status-pendent {
    background: rgba(255, 170, 0, 0.2);
    color: #ffaa00;
    border: 1px solid #ffaa00;
}

.status-validat {
    background: rgba(0, 255, 65, 0.2);
    color: var(--primary-green);
    border: 1px solid var(--primary-green);
}

.status-rebutjat {
    background: rgba(255, 0, 85, 0.2);
    color: var(--warning-red);
    border: 1px solid var(--warning-red);
}

.submission-body {
    margin-bottom: 15px;
}

.submission-code {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 4px;
    border: 1px solid rgba(0, 255, 65, 0.2);
    margin-top: 10px;
    overflow-x: auto;
}

.submission-code pre {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.submission-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.submission-actions .btn {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
    background: rgba(10, 20, 30, 0.98);
    border: 2px solid var(--primary-green);
    border-radius: 8px;
    padding: 0;
    box-shadow: 0 0 50px rgba(0, 255, 65, 0.3);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(0, 255, 65, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 255, 65, 0.05);
}

.modal-header h2 {
    margin: 0;
    color: var(--primary-green);
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--primary-green);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.modal-close:hover {
    background: rgba(255, 0, 0, 0.2);
    color: #ff0055;
}

.modal-content form {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 255, 65, 0.1);
}

.modal-large {
    max-width: 1000px;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-green);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: 4px;
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.form-group input[type="checkbox"] {
    margin-right: 0.5rem;
    cursor: pointer;
}

.modal-content .terminal-window {
    margin-bottom: 0;
}

.validation-form {
    margin-top: 25px;
}

.validation-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.validation-actions .btn {
    flex: 1;
    min-width: 150px;
}

/* Exercise Management */
.exercises-admin-section {
    display: grid;
    gap: 25px;
}

.exercise-item {
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.exercise-info {
    flex: 1;
}

.exercise-number {
    display: inline-block;
    background: var(--primary-green);
    color: var(--bg-dark);
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
    margin-right: 10px;
}

.exercise-title {
    color: var(--text-light);
    font-size: 1rem;
}

.exercise-actions {
    display: flex;
    gap: 8px;
}

.exercise-actions .btn {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Level Tabs */
.level-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.level-tab {
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.level-tab:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.level-tab.active {
    background: var(--primary-green);
    color: var(--bg-dark);
    border-color: var(--primary-green);
}

/* Exercises Grid (Student View) */
.exercises-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.exercise-card {
    background: rgba(10, 20, 30, 0.95);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.exercise-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-green);
}

.exercise-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.exercise-card-body {
    padding: 20px;
}

.exercise-card-title {
    font-size: 1.2rem;
    color: var(--primary-green);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.exercise-card-description {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 15px;
}

.exercise-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 255, 65, 0.2);
}

.exercise-points {
    color: var(--accent-cyan);
    font-weight: bold;
}

.exercise-completed {
    color: var(--primary-green);
}

.exercise-pending {
    color: #ffaa00;
}

/* Ranking Specific */
.prize-banner {
    margin-bottom: 30px;
}

.prize-content {
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 10px 0;
}

.prize-icon {
    font-size: 4rem;
}

.prize-text h2 {
    color: var(--primary-green);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.prize-text p {
    color: var(--text-light);
}

.highlight {
    color: var(--accent-cyan);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Podium */
.podium {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 20px;
    padding: 30px 0;
}

.podium-place {
    text-align: center;
    min-width: 150px;
}

.podium-rank {
    font-size: 3rem;
    margin-bottom: 10px;
}

.podium-1 { order: 2; }
.podium-2 { order: 1; }
.podium-3 { order: 3; }

.podium-1 .podium-rank { font-size: 4rem; color: #FFD700; }
.podium-2 .podium-rank { font-size: 3.5rem; color: #C0C0C0; }
.podium-3 .podium-rank { font-size: 3rem; color: #CD7F32; }

.podium-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    font-size: 3rem;
}

.podium-1 .podium-avatar {
    width: 100px;
    height: 100px;
    font-size: 4rem;
}

.podium-name {
    font-size: 1.1rem;
    color: var(--primary-green);
    font-weight: bold;
    margin-bottom: 8px;
}

.podium-points {
    font-size: 1.5rem;
    color: var(--accent-cyan);
}

/* Ranking Table */
.ranking-table {
    margin-top: 20px;
}

.ranking-row {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    margin-bottom: 10px;
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.ranking-row:hover {
    background: rgba(0, 255, 65, 0.1);
    transform: translateX(5px);
}

.ranking-position {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-green);
    min-width: 50px;
    text-align: center;
}

.ranking-row.you {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--accent-cyan);
}

.ranking-row.you .ranking-position {
    color: var(--accent-cyan);
}

.ranking-avatar {
    font-size: 2rem;
}

.ranking-info {
    flex: 1;
}

.ranking-name {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: bold;
}

.ranking-level {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.ranking-stats {
    text-align: right;
}

.ranking-points {
    font-size: 1.5rem;
    color: var(--primary-green);
    font-weight: bold;
}

.ranking-exercises {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Responsive Admin */
@media (max-width: 768px) {
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .filters-grid {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .submission-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .validation-actions {
        flex-direction: column;
    }
    
    .validation-actions .btn {
        width: 100%;
    }
    
    .podium {
        flex-direction: column;
        align-items: center;
    }
    
    .podium-place {
        order: 0 !important;
    }
}