@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #09090b;
    --bg-grid: radial-gradient(circle at 50% 50%, #17171a 0%, #09090b 100%);
    --card-bg: rgba(20, 20, 23, 0.7);
    --card-border: rgba(63, 63, 70, 0.4);
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.25);
    --success: #10b981;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background: var(--bg-color);
    background-image: var(--bg-grid);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    padding: 2.5rem 1.5rem;
    line-height: 1.5;
}

.container {
    width: 100%;
    margin: 0 auto;
}

/* Header Section */
header {
    margin-bottom: 3rem;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, #ffffff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
}

/* Dashboard Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2.5rem;
    align-items: start;
}

@media (max-width: 968px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Glassmorphic Panel Cards */
.panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.panel h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Form Styling */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    background: rgba(30, 30, 35, 0.6);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: #fff;
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* File Upload Field */
.file-upload-wrapper {
    position: relative;
    border: 2px dashed var(--card-border);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    background: rgba(20, 20, 23, 0.3);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.file-upload-wrapper:hover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.03);
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 2rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.file-upload-wrapper:hover .upload-icon {
    color: var(--accent);
    transform: translateY(-2px);
}

.file-name-preview {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
    word-break: break-all;
    display: none;
}

/* Button Styling */
.btn {
    width: 100%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.875rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--accent-glow);
}

.btn:active {
    transform: translateY(0);
}

/* Wallpaper Grid */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    min-height: 150px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    border: 2px dashed var(--card-border);
    border-radius: var(--radius-lg);
    background: rgba(20, 20, 23, 0.2);
}

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

/* Wallpaper Item Card */
.wallpaper-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    cursor: grab;
}

.wallpaper-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.wallpaper-card:active {
    cursor: grabbing;
}

/* Thumbnail wrapper to force constant Aspect Ratio (e.g. 9:16 or 3:4 for wallpapers) */
.thumbnail-wrapper {
    position: relative;
    width: 100%;
    padding-top: 133%;
    /* 3:4 Aspect Ratio */
    background: #121214;
    overflow: hidden;
}

.thumbnail-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.wallpaper-card:hover .thumbnail-wrapper img {
    transform: scale(1.05);
}

/* Card Content Details */
.card-content {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.5rem;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.25rem;
}

.category-badge {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 0.25rem 0.6rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.delete-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.delete-btn:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* Drag Handle */
.drag-handle {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: rgba(9, 9, 11, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 10;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.wallpaper-card:hover .drag-handle {
    opacity: 1;
}

/* SortableJS Ghost & Dragging Styles */
.sortable-ghost {
    opacity: 0.3;
    border: 2px dashed var(--accent);
    transform: scale(0.95);
    box-shadow: none !important;
}

.sortable-chosen {
    border-color: var(--accent);
}

.sortable-drag {
    opacity: 0.9;
    transform: rotate(2deg);
    cursor: grabbing;
}

/* Notifications Toast style */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: #18181b;
    border: 1px solid var(--card-border);
    color: #fff;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    min-width: 280px;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.toast.toast-success::before {
    background-color: var(--success);
}

.toast.toast-danger::before {
    background-color: var(--danger);
}

.toast.toast-info::before {
    background-color: var(--accent);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.toast.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* Inline Editing Styles (WordPress-like quick edits) */
.card-title-container,
.category-badge-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    max-width: 100%;
}

.card-title-container {
    width: 100%;
}

.editable-text,
.editable-badge {
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px dashed transparent;
}

.editable-text:hover {
    color: #fff;
    border-bottom-color: var(--text-secondary);
}

.editable-badge:hover {
    background: rgba(255, 255, 255, 0.15) !important;
}

.edit-indicator,
.edit-indicator-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.card-title-container:hover .edit-indicator,
.category-badge-container:hover .edit-indicator-badge {
    opacity: 0.8;
}

/* Inputs for Inline Edit */
.inline-edit-input {
    background: rgba(30, 30, 35, 0.95);
    border: 1px solid var(--accent);
    color: #fff;
    font-family: var(--font-family);
    border-radius: var(--radius-sm);
    outline: none;
    width: 100%;
    padding: 0.125rem 0.25rem;
}

.inline-edit-input.title-input {
    font-size: 0.95rem;
    font-weight: 600;
}

.inline-edit-input.badge-input {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.1rem 0.4rem;
    border-radius: 50px;
    background: rgba(45, 45, 50, 0.95);
    width: 100px;
}

/* Tabs Navigation Styling */
.tabs-navigation {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.tab-btn {
    background: rgba(20, 20, 23, 0.5);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border-color: var(--text-secondary);
}

.tab-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* Tab Panel Visibility */
.tab-panel {
    display: none;
}

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

/* Categories List Table Styles */
.categories-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    text-align: left;
}

.categories-table th,
.categories-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--card-border);
}

.categories-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.categories-table td {
    font-size: 0.95rem;
    color: #fff;
}

.categories-table tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

.editable-category {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px dashed transparent;
    transition: var(--transition);
}

.editable-category:hover {
    border-bottom-color: var(--text-secondary);
    color: #fff;
}

.category-count-badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

/* Styled Select Dropdown overrides */
select.form-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%23a1a1aa' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

select.form-control option {
    background-color: #18181b;
    color: #fff;
}

/* Bulk Actions Bar Styles */
.bulk-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: var(--radius-md);
    padding: 0.75rem 1.25rem;
    margin-bottom: 1.5rem;
    animation: slideInDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bulk-info {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.selected-count {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.75rem;
}

/* Select checkbox in card */
.card-select-wrapper {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 10;
    opacity: 0;
    transition: var(--transition);
}

.wallpaper-card:hover .card-select-wrapper,
.wallpaper-card.card-checked .card-select-wrapper {
    opacity: 1;
}

.card-checkbox {
    width: 26px;
    height: 26px;
    border-radius: 50% !important;
    border: 2px solid var(--text-muted);
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(9, 9, 11, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-checkbox:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.card-checkbox:checked::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.85rem;
    color: #fff;
}

.wallpaper-card.card-checked {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 2px var(--accent-glow) !important;
}

.btn-danger {
    background: var(--danger);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
    width: auto !important; /* overrides standard 100% width button class */
    padding: 0.5rem 1rem !important;
}

.btn-danger:hover {
    background: var(--danger-hover);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.35);
}

/* Centered Login Portal Styles */
body.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.login-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

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

.login-lock-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: inline-block;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.login-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
    background: linear-gradient(135deg, #ffffff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

.login-form .btn {
    margin-top: 1rem;
}

/* Dashboard Header Flex layout & Logout btn */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1.5rem;
}

.header-titles {
    text-align: left;
}

.logout-btn {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.logout-btn:hover {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}