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

:root[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f1f3f4;
    --bg-tertiary: #dee2e6;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --border-color: #dadce0;
    --accent-color: #1a73e8;
    --accent-hover: #1557b0;
    --tab-bg-active: #f1f3f4; /* Matches navigation bar bg */
    --tab-bg-inactive: #e8eaed;
    --tab-text-active: #202124;
    --tab-text-inactive: #5f6368;
    --navbar-bg: #f1f3f4;
    --card-bg: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
}

:root[data-theme="dark"] {
    --bg-primary: #121214;
    --bg-secondary: #1a1a1c;
    --bg-tertiary: #27272a;
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --border-color: #27272a;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --tab-bg-active: #1a1a1c; /* Matches navigation bar bg */
    --tab-bg-inactive: #121214;
    --tab-text-active: #f4f4f5;
    --tab-text-inactive: #a1a1aa;
    --navbar-bg: #1a1a1c;
    --card-bg: #18181b;
    --glass-bg: rgba(24, 24, 27, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Chrome-like Tab Bar */
.browser-tab-bar {
    background-color: var(--bg-primary);
    padding: 8px 8px 0 8px;
    display: flex;
    align-items: flex-end;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    user-select: none;
    overflow-x: auto;
    white-space: nowrap;
}

.browser-tab-bar::-webkit-scrollbar {
    display: none; /* Hide scrollbar for tabs */
}

.browser-tab {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    height: 38px;
    min-width: 140px;
    max-width: 200px;
    background-color: var(--tab-bg-inactive);
    color: var(--tab-text-inactive);
    padding: 0 12px;
    border-radius: 8px 8px 0 0;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    border: 1px solid transparent;
    border-bottom: none;
    transition: all 0.2s ease;
    margin-right: 2px;
}

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

.browser-tab.active {
    background-color: var(--tab-bg-active);
    color: var(--tab-text-active);
    border-color: var(--border-color);
    z-index: 2;
}

.browser-tab .tab-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-grow: 1;
    margin-right: 8px;
}

.browser-tab .tab-icon {
    font-size: 0.9rem;
    margin-right: 8px;
}

.browser-tab .btn-close-tab {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: inherit;
    border: none;
    padding: 0;
    font-size: 0.7rem;
    transition: background-color 0.2s;
}

.browser-tab .btn-close-tab:hover {
    background-color: rgba(0,0,0,0.1);
    color: var(--text-primary);
}

:root[data-theme="dark"] .browser-tab .btn-close-tab:hover {
    background-color: rgba(255,255,255,0.15);
}

.btn-new-tab {
    height: 30px;
    width: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: none;
    color: var(--text-secondary);
    margin-bottom: 4px;
    transition: all 0.2s;
}

.btn-new-tab:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Browser Nav/Top Bar */
.browser-nav-bar {
    background-color: var(--navbar-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: none;
    color: var(--text-primary);
    transition: all 0.2s;
}

.nav-action-btn:hover:not(:disabled) {
    background-color: var(--bg-tertiary);
}

.nav-action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.address-bar-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    position: relative;
}

.address-bar-input {
    width: 100%;
    height: 38px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 0 16px 0 40px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.address-bar-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.address-bar-icon {
    position: absolute;
    left: 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Tab Panels */
.tab-content-container {
    flex-grow: 1;
    position: relative;
    background-color: var(--bg-primary);
}

.tab-pane-custom {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
}

.tab-pane-custom.active {
    display: block;
}

.browser-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background-color: #fff;
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.1);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.custom-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(59, 130, 246, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Beautiful Home Page */
.newtab-container {
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.05), transparent 60%);
}

.newtab-clock {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-shadow: var(--shadow-sm);
    letter-spacing: -0.5px;
}

.newtab-logo-container {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.newtab-logo-text {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.newtab-logo-sub {
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
}

.newtab-search-wrapper {
    width: 100%;
    max-width: 600px;
    margin-bottom: 40px;
}

.newtab-search-box {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 6px 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.newtab-search-box:focus-within {
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.15);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.newtab-search-input {
    flex-grow: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 1.05rem;
    padding: 8px 12px;
}

.newtab-search-input:focus {
    outline: none;
}

.newtab-search-engine-select {
    border: none;
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    padding-right: 8px;
}

.newtab-search-engine-select:focus {
    color: var(--text-primary);
}

/* Quick Access Cards */
.quick-access-grid {
    display: grid;
    grid-template-columns: repeat(5, 100px);
    gap: 20px;
    max-width: 580px;
    width: 100%;
    justify-content: center;
}

@media(max-width: 576px) {
    .quick-access-grid {
        grid-template-columns: repeat(4, 85px);
        gap: 15px;
    }
}

.quick-access-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.2s ease;
}

.quick-access-card:hover {
    transform: translateY(-5px);
    color: var(--accent-color);
}

.quick-access-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: all 0.2s;
}

.quick-access-card:hover .quick-access-icon-wrapper {
    background-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
}

.quick-access-title {
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Section Containers on Home Page */
.newtab-sections {
    width: 100%;
    max-width: 800px;
    margin-top: 40px;
}

.newtab-section-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.newtab-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

/* Lists */
.site-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-size: 0.85rem;
}

.site-list-item:hover {
    background-color: var(--bg-secondary);
    color: var(--accent-color);
    padding-left: 16px;
}

.site-list-icon {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Settings, Bookmarks, History Local Page style */
.local-page-container {
    height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-y: auto;
    padding: 30px 15px;
}

.local-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

/* Search engine option items */
.search-engine-option {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.search-engine-option:hover {
    background-color: var(--bg-secondary);
    border-color: var(--accent-color);
}

.search-engine-option.selected {
    border-color: var(--accent-color);
    background-color: rgba(59, 130, 246, 0.05);
}

/* Admin Dashboard Dashboard Cards */
.admin-card {
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.admin-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.admin-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
}

/* Error/Embedding Blocked Template */
.blocked-error-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.blocked-error-icon {
    font-size: 4rem;
    color: #e11d48;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.blocked-error-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.blocked-error-text {
    color: var(--text-secondary);
    max-width: 450px;
    margin-bottom: 24px;
    font-size: 0.95rem;
}