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

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;

    --success: #34d399;
    --success-hover: #6ee7b7;

    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: #f87171;

    --accent: #818cf8;
    --accent-alt: #c084fc;

    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --bg-modal: #1e293b;
    --bg-overlay: rgba(0, 0, 0, 0.8);

    --card-bg: rgba(255, 255, 255, 0.05);
    --card-hover: rgba(255, 255, 255, 0.1);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-border-hover: rgba(255, 255, 255, 0.2);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;

    --glass-blur: 10px;
    --transition-speed: 0.2s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Auth Pages */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.auth-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--card-border);
    padding: 3rem;
    border-radius: 1.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.auth-card h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(to right, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-error {
    color: var(--danger);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.875rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
}

.auth-link-highlight {
    color: var(--accent);
}

/* Dashboard Layout */
.dashboard-full {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.dashboard-header h1 {
    font-size: 1.875rem;
    background: linear-gradient(to right, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sections-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sections-container.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
}

.sections-container.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
}

.sections-container.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: start;
}

.sections-container.sidebar-left {
    display: grid;
    grid-template-columns: 1fr 3fr;
    align-items: start;
}

.sections-container.sidebar-right {
    display: grid;
    grid-template-columns: 3fr 1fr;
    align-items: start;
}

/* Collapse layouts on smaller screens */
@media (max-width: 1024px) {

    .sections-container.grid-4,
    .sections-container.grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .sections-container.sidebar-left,
    .sections-container.sidebar-right {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sections-container[class*="grid-"] {
        grid-template-columns: 1fr;
    }
}

/* Sections */
.section-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.section-container.dragging {
    opacity: 0.5;
    background: var(--card-hover);
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.drag-handle {
    cursor: grab;
    color: var(--text-secondary);
    font-size: 1.25rem;
    user-select: none;
}

.drag-handle:active {
    cursor: grabbing;
}

.section-title-wrap h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.section-actions-wrapper {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity var(--transition-speed);
    z-index: 10;
}

.section-container:hover .section-actions-wrapper {
    opacity: 1;
}

.section-actions {
    display: flex;
    gap: 0.25rem;
    background: var(--bg-modal);
    padding: 0.25rem;
    border-radius: 0.5rem;
    border: 1px solid var(--card-border);
}

.btn-sm {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem 0.5rem;
    width: auto;
    transition: color var(--transition-speed);
    line-height: 1;
}

.btn-edit-section {
    color: var(--success);
}

.btn-edit-section:hover {
    color: var(--success-hover);
}

.btn-delete-section {
    color: var(--danger);
}

.btn-delete-section:hover {
    color: var(--danger-light);
}

/* Bookmark Cards */
.bookmark-list {
    display: grid;
    gap: 1rem;
    min-height: 80px;
    align-content: start;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    border: 1px dashed var(--card-border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

.bookmark-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(var(--glass-blur));
    padding: 1.25rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
    cursor: grab;
    position: relative;
    user-select: none;
    overflow: hidden;
}

.bookmark-item:hover {
    transform: translateY(-4px);
    background: var(--card-hover);
    border-color: var(--card-border-hover);
}

.bookmark-item a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    display: block;
    width: 100%;
}

.bookmark-item .actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.25rem;
    background: var(--bg-modal);
    opacity: 0.9;
    padding: 0.25rem;
    border-radius: 0.5rem;
    opacity: 0;
    transition: opacity var(--transition-speed);
}

.bookmark-item:hover .actions {
    opacity: 1;
}

.btn-edit,
.btn-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem 0.5rem;
    transition: color var(--transition-speed);
    line-height: 1;
}

.btn-edit {
    color: var(--success);
}

.btn-edit:hover {
    color: var(--success-hover);
}

.btn-delete {
    color: var(--danger);
}

.btn-delete:hover {
    color: var(--danger-light);
}

.bookmark-item a.bookmark-link {
    display: flex;
    flex-direction: column;
}

.bookmark-title {
    font-weight: 500;
    transition: color 0.3s ease;
}

.bookmark-item:hover .bookmark-title {
    color: var(--accent);
}

.bookmark-url-preview {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s, max-height 0.3s, margin-top 0.3s;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bookmark-item:hover .bookmark-url-preview {
    opacity: 1;
    max-height: 20px;
    margin-top: 0.25rem;
}

/* Forms & Buttons */
.input-group {
    margin-bottom: 1.25rem;
}

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

input[type="text"],
input[type="password"],
input[type="url"],
select {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-speed);
}

input:focus {
    border-color: var(--primary);
}

.btn {
    width: 100%;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-speed);
}

.btn-primary {
    background: var(--primary);
    color: var(--text-primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.layout-select {
    width: auto;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    outline: none;
    cursor: pointer;
}

.layout-select option {
    background: var(--bg-modal);
    color: var(--text-primary);
}

.btn-slim {
    padding: 0.5rem 1.5rem;
    width: auto;
}

.btn-add-text {
    background: var(--bg-modal);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-add-text:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-modal);
    padding: 2rem;
    border-radius: 1rem;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--card-border);
}

/* Drag and Drop States */
.bookmark-item.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.bookmark-list.drag-over {
    background: rgba(99, 102, 241, 0.05);
    border-radius: 1rem;
}

.modal-heading {
    margin-bottom: 1.5rem;
}

.modal-heading-small {
    margin-bottom: 1rem;
}

.modal-text {
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

.btn-cancel {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background: var(--danger);
}

.btn-danger:hover {
    background: var(--danger-hover);
}

header {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 1rem;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, var(--accent), var(--accent-alt));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.user-info {
    position: relative;
    color: var(--text-secondary);
}

.user-trigger {
    cursor: pointer;
    padding: 0.5rem 0;
    font-weight: 500;
}

.user-trigger:hover {
    color: var(--text-primary);
}

.dropdown-container:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-modal);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 0.5rem;
    min-width: 180px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-speed) ease;
    z-index: 50;
    margin-top: 0.5rem;
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: 0.5rem;
    transition: all var(--transition-speed);
}

.dropdown-item:hover {
    color: var(--text-primary);
    background: var(--card-hover);
}

.btn-logout.dropdown-item {
    color: var(--danger-light);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    margin-top: 0.25rem;
}

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

/* Card Component */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

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

.table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
}

.badge-admin {
    background: rgba(52, 211, 153, 0.2);
    color: var(--success);
}

.badge-user {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-secondary);
}