:root[data-theme="light"] {
    --bg-primary: #f7f7f2;
    --bg-secondary: #ffffff;
    --bg-tertiary: #ededdf;
    --text-primary: #101010;
    --text-secondary: #66665f;
    --text-tertiary: #99998f;
    --accent-primary: #c6ff3d;
    --accent-secondary: #111111;
    --accent-gradient: linear-gradient(135deg, #c6ff3d 0%, #7cff6b 100%);
    --border-color: rgba(16, 16, 16, 0.12);
    --shadow-sm: 0 8px 24px rgba(16, 16, 16, 0.06);
    --shadow-md: 0 18px 50px rgba(16, 16, 16, 0.10);
    --shadow-lg: 0 30px 90px rgba(16, 16, 16, 0.16);
    --card-hover: 0 34px 80px rgba(16, 16, 16, 0.18);
}

:root[data-theme="dark"] {
    --bg-primary: #0b0b0b;
    --bg-secondary: #151515;
    --bg-tertiary: #222222;
    --text-primary: #f6f6ef;
    --text-secondary: #b8b8ad;
    --text-tertiary: #77776e;
    --accent-primary: #c6ff3d;
    --accent-secondary: #f6f6ef;
    --accent-gradient: linear-gradient(135deg, #c6ff3d 0%, #70ff7a 100%);
    --border-color: rgba(246, 246, 239, 0.14);
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 18px 50px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.45);
    --card-hover: 0 34px 80px rgba(0, 0, 0, 0.55);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        radial-gradient(circle at 80% 0%, rgba(198, 255, 61, 0.22), transparent 28%),
        var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.32;
    background-image:
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, black, transparent 70%);
    z-index: -1;
}

img {
    max-width: 100%;
}

.container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 28px;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 18px 0;
    background: color-mix(in srgb, var(--bg-primary) 84%, transparent);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-color);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.admin-nav-container {
    width: 100%;
    padding: 0 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-img {
    display: block;
    width: auto;
    height: 42px;
    object-fit: contain;
}

.logo-img-dark {
    display: none;
}

:root[data-theme="dark"] .logo-img-light {
    display: none;
}

:root[data-theme="dark"] .logo-img-dark {
    display: block;
}

.footer .logo-img {
    height: 48px;
}

@media (max-width: 768px) {
    .logo-img {
        height: 36px;
    }

    .footer .logo-img {
        height: 40px;
    }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    transition: color 0.25s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    width: 46px;
    height: 46px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    transition: transform 0.25s ease, background 0.25s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    background: var(--accent-primary);
    color: #101010;
}

.btn-admin,
.btn-back,
.btn-primary,
.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 22px;
    background: var(--text-primary);
    color: var(--bg-primary);
    text-decoration: none;
    border: 1px solid var(--text-primary);
    border-radius: 999px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-admin:hover,
.btn-back:hover,
.btn-primary:hover,
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--accent-primary);
    color: #101010;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 14px 24px;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.section-label::before {
    content: "";
    width: 34px;
    height: 2px;
    background: var(--accent-primary);
}

.badge,
.tag,
.tech-tag {
    padding: 8px 13px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.badge {
    background: var(--accent-primary);
    color: #101010;
}

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 34px 0;
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 16px;
    }

    .footer-copyright {
        order: 2;
    }
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 50%;
    text-decoration: none;
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.social-links a:hover {
    background: var(--accent-primary);
    color: #101010;
    transform: translateY(-3px);
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 40px 20px;
}

.login-container,
.modal-content,
.projects-table-container,
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    box-shadow: var(--shadow-md);
}

.login-container {
    width: 100%;
    max-width: 460px;
    padding: 46px;
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-header i {
    font-size: 44px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.login-header h1,
.admin-header h1,
.modal-header h2 {
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
}

.login-header h1 {
    font-size: 30px;
    margin-bottom: 8px;
}

.login-header p,
.form-group small {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 800;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: var(--accent-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 15px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    font-size: 15px;
    color: var(--text-primary);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-primary) 24%, transparent);
}

.error-message {
    padding: 12px 16px;
    background: #fee2e2;
    color: #991b1b;
    border-radius: 16px;
    font-size: 14px;
    border: 1px solid #fecaca;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
}

.login-footer a:hover {
    color: var(--text-primary);
}

.admin-nav {
    background: var(--bg-secondary);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 16px;
    background: var(--bg-tertiary);
    border-radius: 999px;
    font-weight: 800;
    font-size: 14px;
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 999px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-logout:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.admin-container {
    display: flex;
    min-height: calc(100vh - 83px);
}

.admin-sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px 0;
}

.admin-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 0 16px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 16px;
    font-weight: 800;
    transition: background 0.25s ease, color 0.25s ease;
}

.menu-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.menu-item.active {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.admin-main {
    flex: 1;
    padding: 42px;
    background: var(--bg-primary);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.admin-header h1 {
    font-size: 36px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
    margin-bottom: 38px;
}

.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.stat-icon {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #101010;
    background: var(--accent-primary);
}

.stat-content h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

.projects-table-container {
    overflow: hidden;
}

.projects-table {
    width: 100%;
    border-collapse: collapse;
}

.projects-table thead {
    background: var(--bg-tertiary);
}

.projects-table th {
    padding: 16px 20px;
    text-align: left;
    font-weight: 800;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.projects-table td {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.project-thumb {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    object-fit: cover;
}

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

.btn-icon {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease;
}

.btn-icon:hover {
    transform: translateY(-2px);
}

.btn-edit {
    background: #3b82f6;
    color: white;
}

.btn-delete {
    background: #ef4444;
    color: white;
}

.loading-cell {
    text-align: center;
    padding: 60px 20px !important;
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.modal.active {
    display: flex;
}

.modal-content {
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 30px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 26px;
}

.modal-close {
    width: 42px;
    height: 42px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-primary);
    transition: transform 0.25s ease, background 0.25s ease;
}

.modal-close:hover {
    background: var(--accent-primary);
    color: #101010;
    transform: rotate(90deg);
}

.modal form {
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* Tab Content */
.tab-content {
    display: none;
}

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

/* Order Controls */
.order-controls {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.btn-order {
    padding: 4px 8px !important;
    font-size: 12px !important;
}

.btn-order:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Categories Checkboxes */
.categories-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.category-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.category-checkbox:hover {
    background: var(--bg-secondary);
}

.category-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.category-checkbox span {
    font-size: 14px;
    color: var(--text-primary);
}


@media (max-width: 768px) {
    .container {
        padding: 0 18px;
    }

    .navbar {
        padding: 14px 0;
    }

    .nav-content {
        gap: 14px;
    }

    .nav-links {
        display: none;
    }

    .logo-text {
        font-size: 19px;
    }

    .logo-mark {
        width: 38px;
        height: 38px;
    }

    .btn-admin span,
    .btn-back span {
        display: none;
    }

    .btn-admin,
    .btn-back,
    .theme-toggle {
        width: 44px;
        height: 44px;
        padding: 0;
        border-radius: 50%;
    }

    .footer-content {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-container {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .admin-menu {
        flex-direction: row;
        overflow-x: auto;
    }

    .admin-main {
        padding: 24px 16px;
    }

    .projects-table-container {
        overflow-x: auto;
    }

    .login-container {
        padding: 32px 24px;
    }

    .modal form {
        padding: 24px;
    }
}

@media (max-width: 768px) {

    #categoryFilters {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        overflow-y: hidden;
        width: 100%;

        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    #categoryFilters::-webkit-scrollbar {
        display: none;
    }

    #categoryFilters .filter-btn {
        flex: 0 0 auto;
        white-space: nowrap;
    }
}

/* ============================================
   Admin form: image previews + delete button
   ============================================ */
.image-preview-grid {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
}
.image-preview-item {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}
.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.image-preview-remove {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: none;
    background: rgba(16,16,16,0.78);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: background 0.2s ease, transform 0.2s ease;
}
.image-preview-remove:hover {
    background: #d63b3b;
    transform: scale(1.08);
}