/* Root variables for light theme */
:root {
    --primary: #f5f5f5;
    --primary-hover: #e0e0e0;
    --background: #ffffff;
    --surface: #fafafa;
    --border: #eaeaea;
    --text: #1a1a1a;
    --text-secondary: #666666;
    --shadow: rgba(0, 0, 0, 0.08);
    --modal-backdrop: rgba(0, 0, 0, 0.5);
    --scrollbar-thumb: #e0e0e0;
    --scrollbar-track: #f5f5f5;
    --modal-background: #ffffff;
}

/* Dark theme variables */
[data-theme="dark"] {
    --primary: #1a1a1a;
    --primary-hover: #2a2a2a;
    --background: #000000;
    --surface: #111111;
    --border: #333333;
    --text: #ffffff;
    --text-secondary: #999999;
    --shadow: rgba(0, 0, 0, 0.3);
    --modal-backdrop: rgba(255, 255, 255, 0.1);
    --scrollbar-thumb: #333333;
    --scrollbar-track: #1a1a1a;
    --modal-background: #1a1a1a;
}

/* Dark theme button styles */
[data-theme="dark"] .btn-primary {
    background: var(--primary-hover);
    color: var(--text);
}

[data-theme="dark"] .btn-primary:hover {
    background: #3a3a3a;
}

/* Global styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, sans-serif;
}

body {
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Modal styles */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    background: var(--modal-backdrop);
}

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

.modal-actions button {
    flex: 1;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--modal-background);
    border-radius: 24px;
    padding: 2rem;
    width: 90%;
    max-width: 480px;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px var(--shadow);
}

/* Modal animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal.active .modal-content {
    transform: translateY(0);
    opacity: 1;
    animation: modalSlideIn 0.3s ease forwards;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form element styles */
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23666666%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.4-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 0.65em auto;
}

select:focus {
    outline: none;
    border-color: var(--text);
}

/* Step styles */
.step h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

.input-group {
    margin-bottom: 1.5rem;
}

input[type="text"] {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--text);
}

/* Main content styles */
.center-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    padding: 2rem;
    position: relative;
}

#greeting {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
    height: 48px;
    visibility: hidden;
}

#greeting:not([style*="visibility"]) {
    visibility: visible;
}

.search-container {
    width: 100%;
    max-width: 640px;
    height: 56px;
    visibility: visible;
}

/* Search engine options */
.search-engine-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.search-engine-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: 16px;
    background: var(--surface);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px var(--shadow);
    border: 2px solid transparent;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.search-engine-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.search-engine-option.selected {
    background: var(--surface);
    border: 2px solid var(--border);
}

.search-engine-option img {
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

.search-engine-option span {
    font-size: 0.875rem;
    color: var(--text);
    text-align: center;
}

/* Search bar styles */
.search-wrapper {
    position: relative;
}

#search-bar {
    width: 100%;
    padding: 1.25rem 1.5rem;
    border: none;
    border-radius: 16px;
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
    box-shadow: 0 4px 24px var(--shadow);
}

.search-icon {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
}

/* Shortcuts styles */
.shortcuts-container {
    width: 100%;
    max-width: 640px;
}

#add-shortcut {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    background: var(--primary);
    color: var(--text);
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

#add-shortcut:hover {
    background: var(--primary-hover);
}

#shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.shortcut {
    background: var(--surface);
    border-radius: 12px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 10px var(--shadow);
}

.shortcut:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow);
}

.shortcut img {
    width: 24px;
    height: 24px;
    border-radius: 6px;
}

.shortcut span {
    font-size: 0.75rem;
    text-align: center;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.shortcut.blurred {
    filter: blur(4px);
    opacity: 0.7;
}

.shortcut.blurred:hover {
    filter: blur(0);
    opacity: 1;
}

/* Settings styles */
.settings-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text);
    box-shadow: 0 4px 24px var(--shadow);
}

.settings-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--shadow);
}

.settings-panel {
    max-height: 80vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.settings-panel::-webkit-scrollbar {
    width: 8px;
}

.settings-panel::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 0 24px 24px 0;
}

.settings-panel::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: 4px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
    font-size: 1.25rem;
    opacity: 0.6;
}

.btn-icon:hover {
    opacity: 1;
}

.settings-section {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

.settings-section:last-child {
    border-bottom: none;
}

.settings-section h3 {
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.setting-label {
    font-weight: 500;
}

.data-management-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-danger {
    background: #dc3545 !important;
    color: white !important;
}

.btn-danger:hover {
    background: #c82333 !important;
}

/* Toggle switch styles */
.toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--background);
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--text);
}

input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Button styles */
.btn-primary {
    background: var(--primary);
    color: var(--text);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

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

/* Notification styles */
#notification-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    pointer-events: none;
}

.notification {
    background: var(--surface);
    color: var(--text);
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(var(--shadow-rgb), 0.1);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
    animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1), fadeIn 0.4s ease;
    max-width: 420px;
    border: 1px solid rgba(var(--text-rgb), 0.1);
}

.notification-content {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.5;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 0.5rem;
    opacity: 0.6;
}

.notification-close:hover {
    opacity: 1;
    background: rgba(var(--text-rgb), 0.1);
}

.notification-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--primary);
    opacity: 0.8;
    transition: width 0.1s linear;
}

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

/* About section styles */
.about-content {
    text-align: center;
    color: var(--text-secondary);
    padding: 1rem 0;
}

.about-content a {
    color: var(--text);
    text-decoration: none;
}

.about-content a:hover {
    text-decoration: underline;
}

.about-content .version {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.about-content .description {
    margin-bottom: 1rem;
}

.about-content .features {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.about-content .copyright {
    font-size: 0.8rem;
    margin-top: 1rem;
}

.made-with {
    margin-top: 0.5rem;
    font-size: 0.875rem;
}

.made-with i {
    color: #ff6b6b;
}

/* Context menu styles */
.context-menu {
    position: fixed;
    background: var(--surface);
    border-radius: 8px;
    padding: 0.5rem;
    box-shadow: 0 2px 10px var(--shadow);
    z-index: 1000;
}

.context-menu.hidden {
    display: none;
}

.context-menu-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 4px;
}

.context-menu-item:hover {
    background: var(--primary);
}

.context-menu-item i {
    width: 16px;
}

/* Hidden element styles */
.search-container.hidden,
#greeting.hidden,
#shortcuts-grid.hidden,
#add-shortcut.hidden {
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    pointer-events: none !important;
}