/* ========================================
   GOOGLE MATERIAL DESIGN THEME
   ======================================== */
:root {
    /* Google's Color Palette */
    --google-blue: #1a73e8;
    --google-blue-hover: #1765cc;
    --google-blue-light: #e8f0fe;
    --google-red: #ea4335;
    --google-yellow: #fbbc04;
    --google-green: #34a853;

    /* Neutrals */
    --color-bg: #ffffff;
    --color-surface: #f8f9fa;
    --color-surface-variant: #e8eaed;
    --color-border: #dadce0;
    --color-text-primary: #202124;
    --color-text-secondary: #5f6368;
    --color-text-tertiary: #80868b;

    /* Shadows - Material Design */
    --shadow-1: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-2: 0 1px 3px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
    --shadow-3: 0 4px 8px 3px rgba(60, 64, 67, 0.15), 0 1px 3px rgba(60, 64, 67, 0.3);
    --shadow-4: 0 8px 12px 6px rgba(60, 64, 67, 0.15), 0 4px 4px rgba(60, 64, 67, 0.3);

    /* Typography - Google Sans & Roboto */
    --font-display: 'Google Sans', 'Product Sans', sans-serif;
    --font-body: 'Roboto', 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 100ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-normal: 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--color-surface);
    color: var(--color-text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   APP BAR (Google Style)
   ======================================== */
.app-bar {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-1);
}

.app-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: 32px;
    font-weight: 300;
    color: var(--google-blue);
    line-height: 1;
}

.app-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0;
}

.app-bar-stats {
    display: flex;
    align-items: center;
}

.site-count {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    padding: var(--spacing-xl) var(--spacing-md);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ========================================
   SEARCH BAR (Google Style)
   ======================================== */
.search-wrapper {
    margin-bottom: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
}

.search-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

.search-bar {
    position: relative;
    width: 100%;
    max-width: 584px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-1);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    transition: all var(--transition-normal);
    height: 48px;
}

.search-bar:hover {
    box-shadow: var(--shadow-2);
    border-color: rgba(223, 225, 229, 0);
}

.search-bar:focus-within {
    box-shadow: var(--shadow-2);
    border-color: rgba(223, 225, 229, 0);
}

.search-icon {
    color: var(--color-text-tertiary);
    font-size: 20px;
    margin-right: var(--spacing-md);
}

#searchInput {
    flex: 1;
    border: none;
    outline: none;
    padding: 0;
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--color-text-primary);
    background: transparent;
}

#searchInput::placeholder {
    color: var(--color-text-tertiary);
}

.clear-btn {
    background: transparent;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    transition: background var(--transition-fast);
    width: 32px;
    height: 32px;
}

.clear-btn:hover {
    background: var(--color-surface);
}

.search-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.search-button {
    padding: 11px var(--spacing-lg);
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-surface);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-button:hover {
    box-shadow: var(--shadow-1);
    border-color: var(--color-border);
}

.search-button .material-symbols-outlined {
    font-size: 18px;
}

/* ========================================
   SITES LIST (Google Search Results Style)
   ======================================== */
.sites-list {
    max-width: 652px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.site-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.site-card:hover {
    box-shadow: var(--shadow-2);
    border-color: var(--google-blue-light);
    transform: translateY(-2px);
}

.site-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg,
            var(--google-blue) 0%,
            var(--google-red) 33%,
            var(--google-yellow) 66%,
            var(--google-green) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.site-card:hover::before {
    opacity: 1;
}

.site-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.site-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.site-info {
    flex: 1;
    min-width: 0;
}

.site-name {
    font-size: 20px;
    font-weight: 400;
    color: var(--google-blue);
    margin-bottom: 2px;
    transition: text-decoration var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-link:hover .site-name {
    text-decoration: underline;
}

.site-url {
    font-size: 14px;
    color: var(--google-green);
    word-break: break-all;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-xs);
}

.site-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 22px;
}

.site-actions {
    display: flex;
    justify-content: flex-end;
}

.icon-btn {
    background: transparent;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-full);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: rgba(234, 67, 53, 0.08);
    color: var(--google-red);
}

/* ========================================
   FLOATING ACTION BUTTON
   ======================================== */
.fab {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    background: var(--google-blue);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    z-index: 50;
}

.fab:hover {
    background: var(--google-blue-hover);
    box-shadow: var(--shadow-4);
    transform: scale(1.05);
}

.fab:active {
    transform: scale(0.95);
}

.fab .material-symbols-outlined {
    font-size: 24px;
}

/* ========================================
   MODAL
   ======================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.show {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.32);
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    position: relative;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-4);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
    animation: slideUp 0.3s cubic-bezier(0.0, 0.0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ========================================
   FORM INPUTS
   ======================================== */
.input-group {
    margin-bottom: var(--spacing-lg);
}

.input-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.input-label .material-symbols-outlined {
    font-size: 20px;
    color: var(--color-text-tertiary);
}

.text-input {
    width: 100%;
    padding: 12px var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--color-text-primary);
    background: var(--color-bg);
    transition: all var(--transition-fast);
}

.text-input:hover {
    border-color: var(--color-text-tertiary);
}

.text-input:focus {
    outline: none;
    border-color: var(--google-blue);
    box-shadow: 0 0 0 2px var(--google-blue-light);
}

.text-input::placeholder {
    color: var(--color-text-tertiary);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
    padding: 10px var(--spacing-lg);
    background: var(--google-blue);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3);
}

.btn-primary:hover {
    background: var(--google-blue-hover);
    box-shadow: 0 1px 3px 1px rgba(60, 64, 67, 0.15);
}

.btn-primary:active {
    box-shadow: none;
}

.btn-text {
    padding: 10px var(--spacing-lg);
    background: transparent;
    color: var(--google-blue);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-text:hover {
    background: var(--google-blue-light);
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.empty-state.show {
    display: block;
}

.empty-icon {
    font-size: 64px;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-lg);
}

.empty-state h2 {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.empty-state p {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .app-bar-content {
        padding: var(--spacing-md);
    }

    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .sites-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .fab {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }

    .search-bar {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .app-title {
        font-size: 18px;
    }

    .modal-content {
        margin: 0;
        max-height: 100vh;
        border-radius: 0;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
    display: none !important;
}