/* Browser Styles */

:root {
    --browser-primary: #00f7ff;
    --browser-secondary: #a259ff;
    --browser-accent: #ffb400;
    --browser-bg: #000;
    --browser-surface: #111;
    --browser-surface-light: #1a1a1a;
    --browser-text: #fff;
    --browser-text-secondary: rgba(255, 255, 255, 0.7);
    --browser-border: #00f7ff44;
    --browser-border-hover: #00f7ff88;
    --browser-shadow: 0 0 16px #00f7ff33;
    --browser-shadow-hover: 0 0 24px #00f7ff66;
    --browser-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --browser-radius: 12px;
    --browser-radius-small: 8px;
    --font-main: 'Orbitron', 'Segoe UI', 'Arial', sans-serif;
}

/* Main Browser Container */
.browser-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    font-family: var(--font-main);
    background: var(--browser-bg);
    color: var(--browser-text);
    border-radius: var(--browser-radius);
    overflow: hidden;
    box-shadow: 0 0 32px #00f7ff88, 0 8px 32px #000a;
    border: 1.5px solid var(--browser-primary);
    position: relative;
}

/* Progress Bar */
.browser-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--browser-primary), var(--browser-secondary));
    transition: width 0.3s ease, opacity 0.3s ease;
    z-index: 1000;
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px var(--browser-primary);
}

/* Browser Toolbar */
.browser-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--browser-surface);
    border-bottom: 1px solid var(--browser-border);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 100;
}

/* Navigation Buttons */
.browser-nav {
    display: flex;
    gap: 8px;
    margin-right: 12px;
}

.nav-btn {
    background: var(--browser-surface-light);
    border: 1.5px solid var(--browser-border);
    color: var(--browser-primary);
    padding: 8px 12px;
    border-radius: var(--browser-radius-small);
    cursor: pointer;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 14px;
    transition: all var(--browser-transition);
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 40px;
    justify-content: center;
}

.nav-btn:hover:not(:disabled) {
    background: var(--browser-primary);
    color: var(--browser-bg);
    border-color: var(--browser-primary);
    box-shadow: var(--browser-shadow);
    transform: translateY(-1px);
}

.nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.nav-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--browser-primary), var(--browser-shadow);
}

/* Security Indicator */
.security-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    margin-right: 8px;
    border: 2px solid currentColor;
    position: relative;
}

.security-indicator.secure {
    background: #00ff88;
    color: #00ff88;
    box-shadow: 0 0 8px #00ff8844;
}

.security-indicator.insecure {
    background: #ff4444;
    color: #ff4444;
    box-shadow: 0 0 8px #ff444444;
}

/* Address Bar */
.address-bar-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.address-bar {
    width: 100%;
    background: var(--browser-surface-light);
    border: 1.5px solid var(--browser-border);
    color: var(--browser-text);
    padding: 12px 16px;
    border-radius: var(--browser-radius-small);
    outline: none;
    font-family: var(--font-main);
    font-size: 14px;
    transition: all var(--browser-transition);
    position: relative;
}

.address-bar:focus {
    border-color: var(--browser-primary);
    box-shadow: var(--browser-shadow);
    background: var(--browser-surface);
}

.address-bar::placeholder {
    color: var(--browser-text-secondary);
}

/* Go Button */
.go-btn {
    background: linear-gradient(135deg, var(--browser-primary), var(--browser-secondary));
    color: var(--browser-bg);
    border: none;
    padding: 12px 20px;
    border-radius: var(--browser-radius-small);
    cursor: pointer;
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 14px;
    transition: all var(--browser-transition);
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.go-btn:hover {
    box-shadow: var(--browser-shadow-hover);
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--browser-secondary), var(--browser-primary));
}

.go-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--browser-primary), var(--browser-shadow);
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--browser-surface);
    border: 1.5px solid var(--browser-primary);
    border-top: none;
    border-radius: 0 0 var(--browser-radius-small) var(--browser-radius-small);
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: var(--browser-shadow);
    display: none;
}

.suggestion-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: all var(--browser-transition);
    border-bottom: 1px solid var(--browser-border);
    color: var(--browser-text);
    font-family: var(--font-main);
    font-size: 14px;
}

.suggestion-item:hover {
    background: var(--browser-primary);
    color: var(--browser-bg);
}

.suggestion-item:last-child {
    border-bottom: none;
}

/* Browser Content Area */
.browser-content {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 400px;
    overflow: hidden;
}

/* Browser Iframe */
.browser-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0;
    background: var(--browser-bg);
    display: block;
    transition: opacity var(--browser-transition);
}

/* Loading Indicator */
.loading-indicator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--browser-primary);
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(0, 247, 255, 0.3);
    border-top: 3px solid var(--browser-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 16px;
}

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

/* Error Page */
.error-page {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 0, 0, 0.9);
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--browser-text);
    text-align: center;
    padding: 40px;
    backdrop-filter: blur(8px);
}

.error-page h2 {
    color: #ff4444;
    font-size: 2.5em;
    margin-bottom: 20px;
    text-shadow: 0 0 16px #ff4444;
    font-family: var(--font-main);
}

.error-page p {
    color: var(--browser-text-secondary);
    font-size: 1.1em;
    margin-bottom: 30px;
    max-width: 500px;
    line-height: 1.6;
}

.error-page button {
    background: linear-gradient(135deg, var(--browser-primary), var(--browser-secondary));
    color: var(--browser-bg);
    border: none;
    padding: 12px 24px;
    border-radius: var(--browser-radius-small);
    cursor: pointer;
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 14px;
    transition: all var(--browser-transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.error-page button:hover {
    box-shadow: var(--browser-shadow-hover);
    transform: translateY(-2px);
}

/* Welcome Page */
.welcome-page {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--browser-bg), var(--browser-surface));
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
}

.welcome-page h1 {
    color: var(--browser-primary);
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--browser-primary);
    font-family: var(--font-main);
    font-weight: 700;
}

.welcome-page p {
    color: var(--browser-text-secondary);
    font-size: 1.2em;
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.6;
}

.welcome-page .welcome-icon {
    font-size: 4em;
    color: var(--browser-secondary);
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--browser-secondary);
}

/* Bookmarks Section */
.bookmarks-section {
    padding: 20px;
    background: var(--browser-surface);
    border-top: 1px solid var(--browser-border);
}

.bookmarks-section h3 {
    color: var(--browser-accent);
    margin-bottom: 20px;
    font-size: 1.3em;
    font-family: var(--font-main);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.bookmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.bookmark-item {
    background: var(--browser-surface-light);
    border: 1.5px solid var(--browser-border);
    padding: 16px;
    border-radius: var(--browser-radius-small);
    cursor: pointer;
    transition: all var(--browser-transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.bookmark-item:hover {
    border-color: var(--browser-primary);
    box-shadow: var(--browser-shadow);
    transform: translateY(-3px);
    background: var(--browser-surface);
}

.bookmark-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 247, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.bookmark-item:hover::before {
    left: 100%;
}

.bookmark-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 12px;
    border-radius: 4px;
    object-fit: cover;
}

.bookmark-name {
    color: var(--browser-text);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    font-family: var(--font-main);
}

.bookmark-url {
    color: var(--browser-text-secondary);
    font-size: 12px;
    font-family: monospace;
    word-break: break-all;
}

.bookmark-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 68, 68, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: all var(--browser-transition);
    opacity: 0;
}

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

.bookmark-remove:hover {
    background: #ff4444;
    transform: scale(1.1);
}

/* Browser Controls */
.browser-controls {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    background: var(--browser-surface);
    border-top: 1px solid var(--browser-border);
    justify-content: space-between;
    align-items: center;
}

.control-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.control-btn {
    background: var(--browser-surface-light);
    border: 1.5px solid var(--browser-border);
    color: var(--browser-primary);
    padding: 8px 12px;
    border-radius: var(--browser-radius-small);
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 12px;
    font-weight: 600;
    transition: all var(--browser-transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-btn:hover {
    background: var(--browser-primary);
    color: var(--browser-bg);
    border-color: var(--browser-primary);
    box-shadow: var(--browser-shadow);
}

/* Browser Stats */
.browser-stats {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--browser-text-secondary);
    font-family: var(--font-main);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-value {
    color: var(--browser-primary);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .browser-toolbar {
        flex-direction: column;
        gap: 12px;
        padding: 12px 16px;
    }
    
    .browser-nav {
        order: 1;
        margin-right: 0;
        justify-content: center;
    }
    
    .address-bar-container {
        order: 2;
        width: 100%;
    }
    
    .go-btn {
        order: 3;
        margin-left: 0;
        width: 100%;
    }
    
    .bookmarks-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .bookmark-item {
        padding: 12px;
    }
    
    .welcome-page h1 {
        font-size: 2em;
    }
    
    .welcome-page p {
        font-size: 1em;
    }
    
    .error-page h2 {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    .browser-container {
        border-radius: 0;
    }
    
    .bookmarks-grid {
        grid-template-columns: 1fr;
    }
    
    .browser-controls {
        flex-direction: column;
        gap: 8px;
    }
    
    .control-group {
        justify-content: center;
    }
    
    .browser-stats {
        justify-content: center;
    }
}

/* Scrollbar Styling */
.browser-container ::-webkit-scrollbar {
    width: 8px;
}

.browser-container ::-webkit-scrollbar-track {
    background: var(--browser-surface);
}

.browser-container ::-webkit-scrollbar-thumb {
    background: var(--browser-primary);
    border-radius: 4px;
}

.browser-container ::-webkit-scrollbar-thumb:hover {
    background: var(--browser-secondary);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

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

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

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

/* Focus States */
.browser-container *:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--browser-primary), var(--browser-shadow);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --browser-border: #00f7ff;
        --browser-text-secondary: #fff;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}