/* ========================================
   ADMIN PANEL - CSS
   ======================================== */

:root {
    --admin-primary: #1e3a5f;
    --admin-primary-light: #2d5a87;
    --admin-secondary: #4a90d9;
    --admin-success: #28a745;
    --admin-danger: #dc3545;
    --admin-warning: #ffc107;
    --admin-bg: #f5f7fa;
    --admin-sidebar-bg: #1e3a5f;
    --admin-card-bg: #ffffff;
    --admin-text: #333333;
    --admin-text-light: #6c757d;
    --admin-border: #dee2e6;
    --admin-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --admin-radius: 8px;
    --admin-transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.5;
}

/* ========================================
   LOGIN SCREEN
   ======================================== */

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-light) 100%);
    padding: 2rem;
}

.login-card {
    background: var(--admin-card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--admin-primary);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.5rem;
    color: var(--admin-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--admin-text-light);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group label i {
    margin-right: 0.5rem;
    color: var(--admin-text-light);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 1rem;
    transition: var(--admin-transition);
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--admin-secondary);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.password-input-wrapper {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--admin-text-light);
    cursor: pointer;
    padding: 0.25rem;
}

.toggle-password:hover {
    color: var(--admin-primary);
}

.login-error {
    background: #fee;
    border: 1px solid var(--admin-danger);
    color: var(--admin-danger);
    padding: 0.75rem 1rem;
    border-radius: var(--admin-radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-login {
    width: 100%;
    padding: 0.875rem;
    background: var(--admin-primary);
    color: white;
    border: none;
    border-radius: var(--admin-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--admin-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
}

.btn-login:hover {
    background: var(--admin-primary-light);
    transform: translateY(-1px);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--admin-border);
}

.login-footer a {
    color: var(--admin-text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--admin-transition);
}

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

/* ========================================
   ADMIN HEADER
   ======================================== */

.admin-header {
    background: var(--admin-card-bg);
    box-shadow: var(--admin-shadow);
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.admin-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--admin-primary);
}

.admin-header h2 i {
    margin-right: 0.5rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--admin-text);
    cursor: pointer;
    padding: 0.5rem;
}

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

.admin-user {
    color: var(--admin-text-light);
    font-size: 0.9rem;
}

.admin-user i {
    margin-right: 0.25rem;
}

.btn-view-site {
    padding: 0.5rem 1rem;
    background: var(--admin-secondary);
    color: white;
    text-decoration: none;
    border-radius: var(--admin-radius);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--admin-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-view-site:hover {
    background: #3a7bc8;
}

.btn-logout {
    padding: 0.5rem 1rem;
    background: none;
    border: 2px solid var(--admin-danger);
    color: var(--admin-danger);
    border-radius: var(--admin-radius);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--admin-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.btn-logout:hover {
    background: var(--admin-danger);
    color: white;
}

/* ========================================
   ADMIN LAYOUT
   ======================================== */

.admin-layout {
    display: flex;
    min-height: calc(100vh - 60px);
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar {
    width: 250px;
    background: var(--admin-sidebar-bg);
    padding: 1.5rem 0;
    flex-shrink: 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--admin-transition);
    font-size: 0.95rem;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.sidebar-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-left: 4px solid var(--admin-secondary);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.admin-main {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h3 {
    font-size: 1.5rem;
    color: var(--admin-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-header h3 i {
    color: var(--admin-secondary);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn-primary {
    padding: 0.625rem 1.25rem;
    background: var(--admin-success);
    color: white;
    border: none;
    border-radius: var(--admin-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--admin-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.btn-primary:hover {
    background: #218838;
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 0.5rem 1rem;
    background: var(--admin-text-light);
    color: white;
    border: none;
    border-radius: var(--admin-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--admin-transition);
    font-family: inherit;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-danger {
    padding: 0.5rem 1rem;
    background: var(--admin-danger);
    color: white;
    border: none;
    border-radius: var(--admin-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--admin-transition);
    font-family: inherit;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

/* ========================================
   FORMS
   ======================================== */

.admin-form {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--admin-text);
}

.form-field input,
.form-field textarea,
.form-field select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 2px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--admin-transition);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--admin-secondary);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.form-field textarea {
    min-height: 100px;
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-border);
}

/* ========================================
   CATEGORY CARD
   ======================================== */

.category-card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.category-header {
    background: var(--admin-primary);
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-header-actions {
    display: flex;
    gap: 0.5rem;
}

.category-header-actions button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--admin-transition);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-family: inherit;
}

.category-header-actions button:hover {
    background: rgba(255, 255, 255, 0.3);
}

.category-body {
    padding: 1.5rem;
}

.category-note {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 0.75rem 1rem;
    border-radius: var(--admin-radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #856404;
}

/* ========================================
   ITEMS TABLE
   ======================================== */

.items-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.items-table th,
.items-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.items-table th {
    background: var(--admin-bg);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--admin-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.items-table td {
    font-size: 0.95rem;
    vertical-align: middle;
}

.items-table tr:hover {
    background: var(--admin-bg);
}

.items-table .actions {
    white-space: nowrap;
}

.items-table .btn-icon {
    background: none;
    border: none;
    padding: 0.375rem 0.5rem;
    cursor: pointer;
    color: var(--admin-text-light);
    transition: var(--admin-transition);
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
}

.items-table .btn-icon:hover {
    background: var(--admin-bg);
}

.items-table .btn-icon.edit:hover {
    color: var(--admin-secondary);
}

.items-table .btn-icon.delete:hover {
    color: var(--admin-danger);
}

/* ========================================
   ITEM FORM (inline)
   ======================================== */

.item-form {
    background: var(--admin-bg);
    border-radius: var(--admin-radius);
    padding: 1rem;
    margin-top: 1rem;
}

.item-form .form-row {
    grid-template-columns: 2fr 1fr 1fr auto;
    align-items: end;
}

.item-form .form-field {
    margin-bottom: 0;
}

/* ========================================
   EDITOR SECTIONS
   ======================================== */

.editor-card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.editor-card-header {
    background: var(--admin-bg);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-card-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--admin-primary);
}

.editor-card-body {
    padding: 1.5rem;
}

/* ========================================
   PHOTOS EDITOR
   ======================================== */

.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.photo-card {
    background: var(--admin-bg);
    border-radius: var(--admin-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.photo-card-header {
    background: var(--admin-primary);
    color: white;
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.photo-card-header h5 {
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.photo-card-body {
    padding: 1rem;
}

.photo-preview {
    width: 100%;
    height: 150px;
    background: #e9ecef;
    border-radius: 4px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

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

.photo-preview .placeholder {
    color: var(--admin-text-light);
    text-align: center;
    font-size: 0.85rem;
}

.photo-preview .placeholder i {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

.photo-preview .status-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.photo-preview .status-badge.exists {
    background: var(--admin-success);
    color: white;
}

.photo-preview .status-badge.missing {
    background: var(--admin-danger);
    color: white;
}

.photo-path-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--admin-border);
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: 'Monaco', 'Consolas', monospace;
    margin-bottom: 0.5rem;
}

.photo-path-input:focus {
    outline: none;
    border-color: var(--admin-secondary);
}

.photo-help {
    font-size: 0.75rem;
    color: var(--admin-text-light);
    margin-top: 0.25rem;
}

.photo-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* ========================================
   ABOUT SECTIONS
   ======================================== */

.about-item-card {
    background: var(--admin-bg);
    border-radius: var(--admin-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
}

.about-item-card .item-number {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--admin-secondary);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.about-item-card .form-field {
    margin-left: 2rem;
}

/* ========================================
   MODAL
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.modal-content {
    background: var(--admin-card-bg);
    border-radius: var(--admin-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
}

.modal-header {
    background: var(--admin-bg);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--admin-border);
}

.modal-header h4 {
    font-size: 1.1rem;
    color: var(--admin-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--admin-text-light);
    cursor: pointer;
    line-height: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    background: var(--admin-bg);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ========================================
   TOAST
   ======================================== */

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--admin-success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--admin-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1001;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 992px) {
    .sidebar {
        position: fixed;
        left: -250px;
        top: 60px;
        bottom: 0;
        z-index: 50;
        transition: var(--admin-transition);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-toggle {
        display: block;
    }

    .admin-header h2 span {
        display: none;
    }
}

@media (max-width: 768px) {
    .admin-header-right {
        gap: 0.5rem;
    }

    .admin-user,
    .btn-view-site span {
        display: none;
    }

    .admin-main {
        padding: 1rem;
    }

    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

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

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

    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .modal {
        padding: 1rem;
    }
}

/* ========================================
   EMPTY STATE
   ======================================== */

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--admin-text-light);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1rem;
}