/**
 * GeminiBook Admin - Centralized Light & Base Stylesheet
 * File: /admin/assets/css/admin-style.css
 * Namespace: geminibook-adminpanel-
 */

/* ==========================================================================
   Base Colors, Theme Variables & CSS Reset
   ========================================================================== */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    --theme-bg-body: #f8fafc;
    --theme-bg-surface: #ffffff;
    --theme-bg-surface-hover: #f1f5f9;
    --theme-bg-muted: #f8fafc;
    --theme-border: #e2e8f0;
    --theme-border-subtle: #f1f5f9;
    --theme-text-main: #0f172a;
    --theme-text-muted: #64748b;
    --theme-text-subtle: #94a3b8;
    --theme-input-bg: #ffffff;
    --theme-input-border: #cbd5e1;
    --theme-input-text: #0f172a;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f8fafc;
    color: #0f172a;
}

/* ==========================================================================
   Gemini Studio - Assign Categories List (Matching prompts.html category options)
   ========================================================================== */
.geminibook-adminpanel-studio-cat-list {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 0.375rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.geminibook-adminpanel-studio-cat-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    width: 100%;
    padding: 0.45rem 0.65rem;
    border: 1px solid transparent;
    border-radius: 0.625rem;
    background: transparent;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #334155;
    letter-spacing: 0.005em;
    cursor: pointer;
    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
    user-select: none;
}

.geminibook-adminpanel-studio-cat-option:hover {
    background-color: #f1f5f9;
    color: #1e293b;
}

.geminibook-adminpanel-studio-cat-option.selected,
.geminibook-adminpanel-studio-cat-option:has(input:checked) {
    background-color: #eef2ff;
    color: #4f46e5;
    font-weight: 600;
}

.geminibook-adminpanel-studio-cat-option.selected:hover,
.geminibook-adminpanel-studio-cat-option:has(input:checked):hover {
    background-color: #e0e7ff;
    color: #4338ca;
}

.geminibook-adminpanel-studio-cat-option .gpp-count-badge {
    transition: color 0.12s ease, background-color 0.12s ease;
}

.geminibook-adminpanel-studio-cat-option.selected .gpp-count-badge,
.geminibook-adminpanel-studio-cat-option:has(input:checked) .gpp-count-badge {
    color: #4f46e5;
    background-color: rgba(99, 102, 241, 0.12);
    padding: 0.1rem 0.45rem;
    border-radius: 9999px;
    font-weight: 600;
}

/* ==========================================================================
   Sidebar & Mobile Navigation Drawer
   ========================================================================== */
.geminibook-adminpanel-sidebar {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.geminibook-adminpanel-sidebar-link {
    transition: all 0.15s ease-in-out;
}

.geminibook-adminpanel-sidebar-link:hover {
    background: #f1f5f9;
    color: #0f172a;
}

.geminibook-adminpanel-sidebar-link.geminibook-adminpanel-active,
.geminibook-adminpanel-sidebar-link.active {
    background: #eef2ff;
    color: #4f46e5;
    font-weight: 600;
}

.geminibook-adminpanel-mobile-menu-btn {
    display: none;
}

@media (max-width: 1024px) {
    .geminibook-adminpanel-sidebar {
        position: fixed;
        left: -288px;
        top: 0;
        height: 100vh;
        z-index: 50;
    }

    .geminibook-adminpanel-sidebar.geminibook-adminpanel-open,
    .geminibook-adminpanel-sidebar.open {
        transform: translateX(288px);
    }

    .geminibook-adminpanel-mobile-menu-btn {
        display: flex;
    }

    .geminibook-adminpanel-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.5);
        backdrop-filter: blur(4px);
        z-index: 40;
    }

    .geminibook-adminpanel-sidebar-overlay.geminibook-adminpanel-open,
    .geminibook-adminpanel-sidebar-overlay.open {
        display: block;
    }
}

/* ==========================================================================
   Form Inputs, Buttons & Interactive Elements
   ========================================================================== */
.geminibook-adminpanel-input-field {
    transition: all 0.15s ease-in-out;
    border: 1px solid #e2e8f0;
    background-color: #ffffff;
}

.geminibook-adminpanel-input-field:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    outline: none;
}

/* ==========================================================================
   Universal Modern Dropdowns & Select Controls
   ========================================================================== */

/*
 * Select wrapper: gives us a clean positioning context for the custom arrow.
 * Usage: wrap any <select> in <div class="gb-select-wrap"> or apply the class
 * directly to an existing relative container. The select itself is also
 * styled at the bare element level so un-wrapped selects still look great.
 */
.gb-select-wrap {
    position: relative;
    display: inline-block;
    width: 100%;
}

.gb-select-wrap::after {
    content: '';
    pointer-events: none;
    position: absolute;
    right: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20' stroke='%236366f1' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.gb-select-wrap:focus-within::after {
    transform: translateY(-50%) rotate(180deg);
}

/* ---- Core select element ---- */
select,
.geminibook-adminpanel-input-field:is(select),
select.geminibook-adminpanel-input-field {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    display: block;
    width: 100%;

    /* Surface */
    background-color: #ffffff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20' stroke='%236366f1' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    background-size: 1.05rem 1.05rem;

    /* Border */
    border: 1.5px solid #e2e8f0;
    border-radius: 0.875rem;   /* 14px — rounder than before */
    outline: none;

    /* Typography */
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.8125rem;      /* 13px */
    font-weight: 500;
    color: #1e293b;
    letter-spacing: 0.01em;
    line-height: 1.4;

    /* Spacing */
    padding: 0.65rem 2.75rem 0.65rem 0.9rem;

    /* Depth */
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 0 0 0 transparent;

    cursor: pointer;
    transition:
        border-color 0.18s ease,
        background-color 0.18s ease,
        box-shadow 0.18s ease,
        color 0.15s ease;
}

/* Hover state — surface lift + border brightens */
select:hover,
.geminibook-adminpanel-input-field:is(select):hover,
select.geminibook-adminpanel-input-field:hover {
    border-color: #a5b4fc;
    background-color: #fafbff;
    box-shadow:
        0 1px 3px rgba(99, 102, 241, 0.08),
        0 0 0 0 transparent;
}

/* Focus state — indigo ring, elevated surface */
select:focus,
.geminibook-adminpanel-input-field:is(select):focus,
select.geminibook-adminpanel-input-field:focus {
    border-color: #6366f1 !important;
    background-color: #ffffff !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20' stroke='%234f46e5' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M6 8l4 4 4-4'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.85rem center !important;
    background-size: 1.05rem 1.05rem !important;
    box-shadow:
        0 0 0 3.5px rgba(99, 102, 241, 0.18),
        0 1px 4px rgba(99, 102, 241, 0.15) !important;
    outline: none !important;
    color: #0f172a !important;
}

/* Disabled state */
select:disabled,
.geminibook-adminpanel-input-field:is(select):disabled,
select.geminibook-adminpanel-input-field:disabled {
    background-color: #f8fafc;
    border-color: #e2e8f0;
    color: #94a3b8;
    cursor: not-allowed;
    opacity: 0.72;
    box-shadow: none;
}

/* ---- Option items ---- */
select option {
    background-color: #ffffff;
    color: #1e293b;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 10px 14px;
    border-radius: 0;
}

select option:checked,
select option:focus {
    background-color: #eef2ff;
    color: #4f46e5;
}

/* Prevent double chevron if select container already had an absolute SVG icon */
.relative > select + svg.pointer-events-none {
    display: none;
}

.geminibook-adminpanel-btn-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: white;
}

.geminibook-adminpanel-btn-primary:hover {
    background: linear-gradient(135deg, #4338ca 0%, #4f46e5 100%);
    transform: translateY(-1px);
    box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.35);
}

.geminibook-adminpanel-btn-primary:disabled {
    background: #94a3b8;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.geminibook-adminpanel-btn-secondary {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.geminibook-adminpanel-btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.geminibook-adminpanel-password-toggle {
    cursor: pointer;
    transition: color 0.2s ease;
}

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

/* Toggle Switches */
.geminibook-adminpanel-toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.geminibook-adminpanel-toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.geminibook-adminpanel-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 24px;
}

.geminibook-adminpanel-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

input:checked + .geminibook-adminpanel-toggle-slider {
    background-color: #4f46e5;
}

input:checked + .geminibook-adminpanel-toggle-slider:before {
    transform: translateX(20px);
}

/* ==========================================================================
   Navigation Tabs & Panels
   ========================================================================== */
.geminibook-adminpanel-tab-btn {
    padding: 14px 22px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: #64748b;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.geminibook-adminpanel-tab-btn:hover:not(.geminibook-adminpanel-active):not(.active),
.geminibook-adminpanel-tab-btn:hover {
    color: #1e293b;
    background: #f8fafc;
}

.geminibook-adminpanel-tab-btn.geminibook-adminpanel-active,
.geminibook-adminpanel-tab-btn.active {
    color: #4f46e5;
    border-bottom-color: #4f46e5;
    font-weight: 600;
    background: #ffffff;
}

.geminibook-adminpanel-tab-content {
    display: none;
}

.geminibook-adminpanel-tab-content.geminibook-adminpanel-active,
.geminibook-adminpanel-tab-content.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Dropdown Menus & Table Column Visibility
   ========================================================================== */
.geminibook-adminpanel-dropdown {
    position: relative;
}

.geminibook-adminpanel-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 8px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    min-width: 220px;
    z-index: 30;
}

.geminibook-adminpanel-dropdown-menu.geminibook-adminpanel-show,
.geminibook-adminpanel-dropdown-menu.show {
    display: block;
}

.geminibook-adminpanel-column-cell.hidden,
.geminibook-adminpanel-column-cell.geminibook-adminpanel-hidden {
    display: none !important;
}

/* ==========================================================================
   Data Tables & Rows
   ========================================================================== */
.geminibook-adminpanel-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.geminibook-adminpanel-table-row {
    transition: background 0.15s ease;
}

.geminibook-adminpanel-table-row:hover {
    background: #f8fafc;
}

.geminibook-adminpanel-table-row.geminibook-adminpanel-selected,
.geminibook-adminpanel-table-row.selected {
    background: #f5f3ff;
}

/* Floating Bulk Actions Toolbar */
.geminibook-adminpanel-bulk-toolbar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #0f172a;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    padding: 10px 24px;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 16px;
}

.geminibook-adminpanel-bulk-toolbar.geminibook-adminpanel-show,
.geminibook-adminpanel-bulk-toolbar.show {
    transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Modal Windows & Dialogs
   ========================================================================== */
.geminibook-adminpanel-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 110;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.geminibook-adminpanel-modal.geminibook-adminpanel-show,
.geminibook-adminpanel-modal.show,
.geminibook-adminpanel-modal.geminibook-adminpanel-open,
.geminibook-adminpanel-modal.open {
    display: flex;
}

/* ==========================================================================
   Stat Cards & Metrics
   ========================================================================== */
.geminibook-adminpanel-stat-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.geminibook-adminpanel-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -10px rgba(15, 23, 42, 0.08);
    border-color: #cbd5e1;
}

.geminibook-adminpanel-stat-number {
    animation: countUp 0.4s ease;
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Status Badges & Pills */
.geminibook-adminpanel-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
}

.geminibook-adminpanel-badge-published { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.geminibook-adminpanel-badge-draft { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }
.geminibook-adminpanel-badge-trash { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.geminibook-adminpanel-badge-pending { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.geminibook-adminpanel-badge-active { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.geminibook-adminpanel-badge-inactive { background: #f1f5f9; color: #64748b; border: 1px solid #e2e8f0; }

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.geminibook-adminpanel-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 12px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    z-index: 1000;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
}

.geminibook-adminpanel-toast-success { background: #059669; }
.geminibook-adminpanel-toast-error { background: #dc2626; }
.geminibook-adminpanel-toast-warning { background: #d97706; }
.geminibook-adminpanel-toast-info { background: #2563eb; }

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

@keyframes fadeOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.95); }
}

/* ==========================================================================
   Code Areas, Tags, Snippets & Spinners
   ========================================================================== */
.geminibook-adminpanel-code-area {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
}

.geminibook-adminpanel-code-tag {
    background-color: #eef2ff;
    color: #4f46e5;
    padding: 2px 7px;
    border-radius: 6px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid #c7d2fe;
    display: inline-block;
}

.geminibook-adminpanel-preview-snippet {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    background: #0f172a;
    color: #38bdf8;
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 12px;
    overflow-x: auto;
    line-height: 1.6;
}

.geminibook-adminpanel-character-count {
    font-size: 11px;
    color: #64748b;
    font-weight: 500;
}
.geminibook-adminpanel-character-count.geminibook-adminpanel-warning,
.geminibook-adminpanel-character-count.warning { color: #d97706; }
.geminibook-adminpanel-character-count.geminibook-adminpanel-error,
.geminibook-adminpanel-character-count.error { color: #dc2626; }

.geminibook-adminpanel-spinner {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid currentColor;
    border-radius: 50%;
    width: 14px;
    height: 14px;
    animation: spin 0.8s linear infinite;
}

.geminibook-adminpanel-spinner-dark {
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-top: 2px solid #4f46e5;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Cache Settings Flow Cards
   ========================================================================== */
.geminibook-adminpanel-flow-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 16px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    position: relative;
    transition: all 0.2s ease;
}

.geminibook-adminpanel-flow-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Media Library Grid & Cards
   ========================================================================== */
.geminibook-adminpanel-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 20px;
}

@media (max-width: 640px) {
    .geminibook-adminpanel-media-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
}

.geminibook-adminpanel-media-card {
    position: relative;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.geminibook-adminpanel-media-card:hover {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: #cbd5e1;
}

.geminibook-adminpanel-media-card.geminibook-adminpanel-selected,
.geminibook-adminpanel-media-card.selected {
    border-color: #4f46e5;
    box-shadow: 0 0 0 2px #4f46e5;
}

.geminibook-adminpanel-media-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 160px;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 5;
}

.geminibook-adminpanel-media-card:hover .geminibook-adminpanel-media-card-overlay,
.geminibook-adminpanel-media-card:hover .media-card-overlay {
    opacity: 1;
}

.geminibook-adminpanel-media-card-checkbox {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 10;
}

.geminibook-adminpanel-media-thumbnail {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: #f1f5f9;
}

.geminibook-adminpanel-media-info {
    padding: 12px 14px;
    background: #ffffff;
}

.geminibook-adminpanel-upload-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 16px;
    padding: 44px 24px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    background: #f8fafc;
}

.geminibook-adminpanel-upload-zone:hover,
.geminibook-adminpanel-upload-zone.geminibook-adminpanel-dragover,
.geminibook-adminpanel-upload-zone.dragover {
    border-color: #4f46e5;
    background: #eef2ff;
}

.geminibook-adminpanel-view-btn {
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
}

.geminibook-adminpanel-view-btn.geminibook-adminpanel-active,
.geminibook-adminpanel-view-btn.active {
    background: #eef2ff;
    color: #4f46e5;
    border-color: #c7d2fe;
}

.geminibook-adminpanel-view-btn:hover:not(.geminibook-adminpanel-active):not(.active) {
    background: #f8fafc;
    color: #1e293b;
}

/* ==========================================================================
   Gemini Studio
   ========================================================================== */
.geminibook-adminpanel-generate-btn {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    color: white;
}

.geminibook-adminpanel-generate-btn:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
}

.geminibook-adminpanel-gpp-spin {
    animation: gpp-rotate 1s linear infinite;
}

@keyframes gpp-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.geminibook-adminpanel-gpp-scrollable::-webkit-scrollbar {
    width: 5px;
}

.geminibook-adminpanel-gpp-scrollable::-webkit-scrollbar-track {
    background: #f8fafc;
    border-radius: 4px;
}

.geminibook-adminpanel-gpp-scrollable::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.geminibook-adminpanel-gpp-scrollable::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.geminibook-adminpanel-gpp-preview-box h2 {
    font-size: 11px;
    font-weight: 800;
    color: #4f46e5;
    margin: 18px 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 4px;
}

.geminibook-adminpanel-gpp-preview-box h2:first-child {
    margin-top: 0;
}

.geminibook-adminpanel-gpp-preview-box p {
    font-size: 13px;
    line-height: 1.7;
    color: #334155;
    margin: 0 0 14px;
}

.geminibook-adminpanel-cat-item-hover {
    transition: all 0.15s ease;
}

.geminibook-adminpanel-cat-item-hover:hover {
    background-color: #f8fafc;
}

/* ==========================================================================
   Profile Avatar & Editor Enhancements
   ========================================================================== */
.geminibook-adminpanel-avatar-upload {
    width: 110px;
    height: 110px;
    border-radius: 9999px;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    border: 4px solid #ffffff;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.2);
}

.geminibook-adminpanel-avatar-upload:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}

.geminibook-adminpanel-avatar-upload img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 9999px;
}

.geminibook-adminpanel-avatar-upload .geminibook-adminpanel-overlay,
.geminibook-adminpanel-avatar-upload .overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.geminibook-adminpanel-avatar-upload:hover .geminibook-adminpanel-overlay,
.geminibook-adminpanel-avatar-upload:hover .overlay {
    opacity: 1;
}

.geminibook-adminpanel-avatar-upload .geminibook-adminpanel-overlay svg,
.geminibook-adminpanel-avatar-upload .overlay svg {
    color: white;
    width: 28px;
    height: 28px;
}

.geminibook-adminpanel-image-drop-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.geminibook-adminpanel-image-drop-zone:hover,
.geminibook-adminpanel-image-drop-zone.geminibook-adminpanel-dragover,
.geminibook-adminpanel-image-drop-zone.dragover {
    border-color: #6366f1;
    background: #eef2ff;
}

.geminibook-adminpanel-image-preview-container {
    width: 100%;
    max-height: 280px;
    background: #f1f5f9;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e2e8f0;
}

.geminibook-adminpanel-image-preview {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
}

.geminibook-adminpanel-image-method-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.geminibook-adminpanel-image-method-card:focus-within {
    border-color: #818cf8;
}

.geminibook-adminpanel-image-method-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.geminibook-adminpanel-published-on-display {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.geminibook-adminpanel-published-on-display:hover {
    border-color: #6366f1;
    background: #ffffff;
}

/* SEO Snippet Previews */
.geminibook-adminpanel-seo-preview {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
}

.geminibook-adminpanel-seo-preview-title {
    color: #1a0dab;
    font-size: 17px;
    line-height: 1.3;
    cursor: pointer;
    font-weight: 500;
}

.geminibook-adminpanel-seo-preview-title:hover {
    text-decoration: underline;
}

.geminibook-adminpanel-seo-preview-url {
    color: #202124;
    font-size: 12px;
    line-height: 1.3;
    margin-top: 2px;
}

.geminibook-adminpanel-seo-preview-description {
    color: #4d5156;
    font-size: 13px;
    line-height: 1.4;
    margin-top: 4px;
}

/* ==========================================================================
   Authentication & 404 Pages
   ========================================================================== */
.geminibook-adminpanel-login-card {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(226, 232, 240, 0.8);
}

.geminibook-adminpanel-error-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.geminibook-adminpanel-error-404 {
    font-size: clamp(80px, 16vw, 130px);
    font-weight: 800;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    letter-spacing: -0.05em;
}

.geminibook-adminpanel-floating-shape {
    position: absolute;
    filter: blur(50px);
    opacity: 0.5;
    animation: float 20s infinite alternate ease-in-out;
    pointer-events: none;
}

.geminibook-adminpanel-floating-shape:nth-child(1) {
    top: -10%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, rgba(168, 85, 247, 0.1) 70%, transparent 100%);
    animation-duration: 25s;
}

.geminibook-adminpanel-floating-shape:nth-child(2) {
    bottom: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, rgba(236, 72, 153, 0.1) 70%, transparent 100%);
    animation-duration: 30s;
    animation-delay: -5s;
}

.geminibook-adminpanel-floating-shape:nth-child(3) {
    top: 40%;
    left: 40%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, rgba(99, 102, 241, 0.1) 70%, transparent 100%);
    animation-duration: 22s;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    50% { transform: translate(40px, 30px) rotate(10deg) scale(1.05); }
    100% { transform: translate(-30px, 50px) rotate(-10deg) scale(0.95); }
}

/* ==========================================================================
   Custom Scrollbars
   ========================================================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}