/* ===================================
   ENVISION - Dashboard Styles
   =================================== */

/* ===== Dashboard Layout ===== */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
    padding-top: 70px;
}

/* ===== Sidebar ===== */
.sidebar {
    width: 280px;
    position: fixed;
    top: 70px;
    left: 0;
    bottom: 0;
    background: rgba(15, 15, 22, 0.95);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition-normal);
}

.sidebar-header {
    margin-bottom: var(--spacing-xl);
}

.sidebar-header h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

/* Sidebar Navigation */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.85rem 1rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
    width: 100%;
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex-shrink: 0;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--primary-gradient);
    color: white;
}

.sidebar-link.active svg {
    fill: white;
}

/* Stats Card in Sidebar */
.sidebar-stats {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.stat-item:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-purple);
}

/* ===== Main Content ===== */
.dashboard-main {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-xl);
    min-height: calc(100vh - 70px);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.dashboard-header h1 {
    font-size: 1.8rem;
}

/* ===== Dashboard Cards Grid ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.stat-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    background: var(--bg-glass-hover);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.stat-card-icon svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.stat-card-icon.purple {
    background: var(--maths-gradient);
}

.stat-card-icon.green {
    background: var(--science-gradient);
}

.stat-card-icon.orange {
    background: var(--sst-gradient);
}

.stat-card-icon.blue {
    background: var(--ai-gradient);
}

.stat-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== Content Panel ===== */
.content-panel {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.panel-header h2 {
    font-size: 1.2rem;
}

.panel-body {
    padding: var(--spacing-lg);
}

/* ===== Form Styles ===== */
.post-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

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

.form-group label .required {
    color: #ff6464;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.9rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition-fast);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-purple);
    box-shadow: 0 0 20px rgba(156, 124, 250, 0.15);
}

/* ===== Image Upload ===== */
.image-upload-zone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.image-upload-zone:hover {
    border-color: var(--accent-purple);
    background: rgba(156, 124, 250, 0.05);
}

.image-upload-zone.dragover {
    border-color: var(--accent-purple);
    background: rgba(156, 124, 250, 0.1);
}

.upload-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border-radius: 50%;
}

.upload-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--accent-purple);
}

.image-upload-zone h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.image-upload-zone p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

#imageInput {
    display: none;
}

/* Image Preview */
.image-previews {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.preview-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1;
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
}

.preview-remove:hover {
    background: #ff4757;
}

.preview-remove svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* ===== Priority Toggle ===== */
.priority-options {
    display: flex;
    gap: var(--spacing-sm);
}

.priority-option {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.priority-option input {
    display: none;
}

.priority-option:has(input:checked) {
    border-color: var(--accent-purple);
    background: rgba(156, 124, 250, 0.15);
}

.priority-option.high:has(input:checked) {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.15);
}

.priority-option.medium:has(input:checked) {
    border-color: #feca57;
    background: rgba(254, 202, 87, 0.15);
}

.priority-option.low:has(input:checked) {
    border-color: #54a0ff;
    background: rgba(84, 160, 255, 0.15);
}

.priority-option span {
    font-weight: 500;
    color: var(--text-secondary);
}

.priority-option:has(input:checked) span {
    color: var(--text-primary);
}

/* ===== Questions Table ===== */
.questions-table {
    width: 100%;
    border-collapse: collapse;
}

.questions-table th,
.questions-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.questions-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    background: rgba(0, 0, 0, 0.2);
}

.questions-table td {
    color: var(--text-secondary);
}

.questions-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.table-title {
    font-weight: 600;
    color: var(--text-primary);
}

.table-subject {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 50px;
    text-transform: capitalize;
}

.table-subject.maths {
    background: rgba(102, 126, 234, 0.2);
    color: #8b9ff5;
}

.table-subject.science {
    background: rgba(67, 233, 123, 0.2);
    color: #67e97b;
}

.table-subject.sst {
    background: rgba(250, 112, 154, 0.2);
    color: #fa709a;
}

.table-subject.ai {
    background: rgba(79, 172, 254, 0.2);
    color: #4facfe;
}

.table-subject.english {
    background: rgba(240, 147, 251, 0.2);
    color: #f093fb;
}

.table-subject.hindi {
    background: rgba(255, 154, 158, 0.2);
    color: #ff9a9e;
}

.table-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.table-priority {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 50px;
    text-transform: uppercase;
}

.table-priority.high {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
}

.table-priority.medium {
    background: rgba(254, 202, 87, 0.2);
    color: #feca57;
}

.table-priority.low {
    background: rgba(84, 160, 255, 0.2);
    color: #54a0ff;
}

.table-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.table-actions button {
    padding: 0.4rem 0.6rem;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.table-actions button:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.table-actions button.danger:hover {
    background: rgba(255, 100, 100, 0.15);
    border-color: rgba(255, 100, 100, 0.3);
    color: #ff8080;
}

.table-actions button svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
}

.status-badge.active {
    background: rgba(67, 233, 123, 0.15);
    color: #43e97b;
}

.status-badge.deleted {
    background: rgba(255, 100, 100, 0.15);
    color: #ff6464;
}

/* ===== Empty Table State ===== */
.table-empty {
    text-align: center;
    padding: var(--spacing-2xl);
}

.table-empty svg {
    width: 60px;
    height: 60px;
    fill: var(--text-muted);
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.table-empty h4 {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.table-empty p {
    font-size: 0.9rem;
}

/* ===== Mobile Toggle ===== */
.sidebar-toggle {
    display: none;
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.sidebar-toggle svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .dashboard-main {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .questions-table {
        display: block;
        overflow-x: auto;
    }

    .priority-options {
        flex-wrap: wrap;
    }

    .priority-option {
        flex: 1 1 calc(33.333% - var(--spacing-sm));
    }
}

@media (max-width: 480px) {
    .dashboard-main {
        padding: var(--spacing-md);
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .dashboard-header h1 {
        font-size: 1.5rem;
    }
}