:root {
    --bg-color: #0b1020;
    --bg-gradient-1: #111827;
    --bg-gradient-2: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-solid: #161b2e;
    --text-color: #e5e7eb;
    --muted-text: #9ca3af;
    --header-color: #ffffff;
    --accent-color: #4f8cff;
    --accent-hover: #3b82f6;
    --accent-soft: rgba(79, 140, 255, 0.16);
    --border-color: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(255, 255, 255, 0.07);
    --input-border: rgba(255, 255, 255, 0.12);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --menu-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    --font-main: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    --link-color: #9cc0ff;
    --button-bg: rgba(255, 255, 255, 0.08);

    --results-bg: #111827;
    --results-card: #1f2937;
    --results-text: #f3f4f6;
    --results-muted: #9ca3af;
    --results-border: #374151;
    --results-link: #60a5fa;
    --results-accent: #3b82f6;
    --results-shadow: rgba(0, 0, 0, 0.3);
}

.theme-light {
    --bg-color: #f8fafc;
    --bg-gradient-1: #e2e8f0;
    --bg-gradient-2: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-solid: #ffffff;
    --text-color: #1f2937;
    --muted-text: #64748b;
    --header-color: #0f172a;
    --border-color: rgba(0, 0, 0, 0.08);
    --input-bg: #ffffff;
    --input-border: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --menu-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --link-color: #2563eb;
    --button-bg: #f1f5f9;

    --results-bg: #ffffff;
    --results-card: #f8fafc;
    --results-text: #1f2937;
    --results-muted: #6b7280;
    --results-border: #e2e8f0;
    --results-link: #1d4ed8;
    --results-accent: #2563eb;
    --results-shadow: rgba(15, 23, 42, 0.05);
}

.theme-matrix {
    --bg-color: #000000;
    --bg-gradient-1: #000000;
    --bg-gradient-2: #001100;
    --card-bg: rgba(0, 255, 102, 0.03);
    --card-solid: #020802;
    --text-color: #00ff66;
    --muted-text: #008f3a;
    --header-color: #00ff66;
    --accent-color: #00ff66;
    --accent-hover: #33ff85;
    --accent-soft: rgba(0, 255, 102, 0.1);
    --border-color: rgba(0, 255, 102, 0.2);
    --input-bg: rgba(0, 0, 0, 0.3);
    --input-border: rgba(0, 255, 102, 0.3);
    --font-main: var(--font-mono);
    --link-color: #66ff99;
    --button-bg: rgba(0, 255, 102, 0.05);

    --results-bg: #000000;
    --results-card: #050505;
    --results-text: #00ff66;
    --results-muted: #008f3a;
    --results-border: #003300;
    --results-link: #33ff85;
    --results-accent: #00ff66;
    --results-shadow: rgba(0, 255, 102, 0.1);
}

.theme-synthwave {
    --bg-color: #1b1330;
    --bg-gradient-1: #1b1330;
    --bg-gradient-2: #311b52;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-solid: #26193f;
    --text-color: #ffffff;
    --muted-text: #d4b5ff;
    --header-color: #00f2ff;
    --accent-color: #ff00c8;
    --accent-hover: #ff33d3;
    --accent-soft: rgba(255, 0, 200, 0.15);
    --border-color: rgba(255, 0, 200, 0.3);
    --input-bg: rgba(0, 0, 0, 0.2);
    --input-border: rgba(255, 0, 200, 0.4);
    --link-color: #00f2ff;
    --button-bg: rgba(255, 255, 255, 0.06);

    --results-bg: #1b1330;
    --results-card: #26193f;
    --results-text: #ffffff;
    --results-muted: #d4b5ff;
    --results-border: #ff00c8;
    --results-link: #00f2ff;
    --results-accent: #ff00c8;
    --results-shadow: rgba(255, 0, 193, 0.2);
}

.theme-dracula {
    --bg-color: #282a36;
    --bg-gradient-1: #282a36;
    --bg-gradient-2: #1e1f29;
    --card-bg: rgba(68, 71, 90, 0.4);
    --card-solid: #282a36;
    --text-color: #f8f8f2;
    --muted-text: #6272a4;
    --header-color: #bd93f9;
    --accent-color: #ff79c6;
    --accent-hover: #ff92d0;
    --accent-soft: rgba(255, 121, 198, 0.15);
    --border-color: rgba(189, 147, 249, 0.2);
    --input-bg: #44475a;
    --input-border: #6272a4;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --link-color: #8be9fd;
    --button-bg: rgba(68, 71, 90, 0.6);

    --results-bg: #282a36;
    --results-card: #282a36;
    --results-text: #f8f8f2;
    --results-muted: #6272a4;
    --results-border: #44475a;
    --results-link: #8be9fd;
    --results-accent: #bd93f9;
    --results-shadow: rgba(0, 0, 0, 0.3);
}

.theme-dark {
    --bg-color: #0b1020;
    --bg-gradient-1: #111827;
    --bg-gradient-2: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-solid: #161b2e;
    --text-color: #e5e7eb;
    --muted-text: #9ca3af;
    --header-color: #ffffff;
    --accent-color: #4f8cff;
    --accent-hover: #3b82f6;
    --accent-soft: rgba(79, 140, 255, 0.16);
    --border-color: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(255, 255, 255, 0.07);
    --input-border: rgba(255, 255, 255, 0.12);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --link-color: #9cc0ff;
    --button-bg: rgba(255, 255, 255, 0.08);

    --results-bg: #111827;
    --results-card: #1f2937;
    --results-text: #f3f4f6;
    --results-muted: #9ca3af;
    --results-border: #374151;
    --results-link: #60a5fa;
    --results-accent: #3b82f6;
    --results-shadow: rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    padding: 0;
    font-family: var(--font-main);
    color: var(--text-color);
    background: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, var(--bg-gradient-1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, var(--bg-gradient-2) 0, transparent 50%), 
        radial-gradient(at 100% 0%, var(--bg-gradient-1) 0, transparent 50%);
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

.bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--accent-soft);
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.4;
    animation: blob-float 20s infinite alternate;
}

.blob-1 { top: -100px; left: -100px; background: var(--accent-color); opacity: 0.15; }
.blob-2 { bottom: -100px; right: -100px; background: var(--link-color); opacity: 0.15; animation-delay: -5s; }

@keyframes blob-float {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

.main-container {
    width: 100%;
    max-width: 900px;
    padding: 2rem 1rem;
    position: relative;
    z-index: 1;
    animation: fadeIn 0.8s ease-out;
}

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

/* Glass effect */
.glass {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 10px 15px -3px var(--shadow-color),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* Top Bar */
.top-bar {
    width: 100%;
    max-width: 1200px;
    padding: 1rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
}

.top-btn,
.theme-selector-wrapper select {
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    padding: 0 12px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
}

.top-btn:hover, select:hover {
    background: var(--button-bg);
}

/* App Launcher */
.app-launcher { position: relative; }
#app-launcher-button {
    width: auto;
    padding: 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
#app-launcher-button img { width: 20px; height: 20px; border-radius: 4px; }

#app-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 320px;
    padding: 1.5rem;
    border-radius: 18px;
    z-index: 1000;
    transition: all 0.2s ease;
}

#app-menu.hidden {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color);
    transition: background 0.2s;
}

.app-item:hover { background: rgba(255,255,255,0.1); }
.app-item img { width: 32px; height: 32px; border-radius: 8px; }
.app-item span { font-size: 0.75rem; text-align: center; }

/* Hero Section */
.hero-card {
    border-radius: 28px;
    padding: 3rem 2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-card:hover {
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.2),
        0 10px 10px -5px var(--shadow-color);
}

.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.brand img {
    width: 90px;
    height: 90px;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.3));
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.brand:hover img {
    transform: rotate(5deg) scale(1.1);
}

.brand h1 {
    margin: 0.5rem 0 0 0;
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(to bottom, #fff, #ccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--header-color);
}

.brand p {
    margin: 0;
    color: var(--muted-text);
    font-size: 1.1rem;
}

/* Search Box */
.search-form {
    max-width: 600px;
    margin: 0 auto;
}

.search-input-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-input-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted-text);
}

.search-input {
    width: 100%;
    padding: 1.3rem 3.5rem;
    border-radius: 50px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 1.15rem;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--accent-soft), 0 10px 15px -3px rgba(0, 0, 0, 0.2);
    background: var(--card-solid);
    transform: translateY(-1px);
}

.clear-search {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: none;
    color: var(--muted-text);
    cursor: pointer;
    padding: 8px;
    display: none;
}
.clear-search.visible { display: block; }

/* Buttons & Chips */
.toolbar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.row-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    background: var(--button-bg);
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
    background: var(--border-color);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    border-color: transparent;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 15px var(--accent-soft);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.5s ease-out;
    pointer-events: none;
}

.btn-primary:hover::after {
    transform: scale(1);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent-color));
    box-shadow: 0 6px 20px var(--accent-soft);
    transform: translateY(-2px);
}

.mode-switch {
    background: var(--input-bg);
    padding: 5px;
    border-radius: 50px;
    display: inline-flex;
    gap: 5px;
}

.mode-tab {
    padding: 8px 20px;
    border-radius: 50px;
    border: none;
    background: none;
    color: var(--muted-text);
    cursor: pointer;
    font-weight: 500;
}

.mode-tab.active {
    background: var(--accent-color);
    color: white;
}

.chip-button {
    padding: 8px 18px;
    font-size: 0.85rem;
    border-radius: 50px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--muted-text);
    cursor: pointer;
    transition: all 0.2s ease;
}

.chip-button:hover {
    background: var(--button-bg);
    color: var(--text-color);
    transform: translateY(-2px);
    border-color: var(--muted-text);
}

.chip-button.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Advanced Panel */
.advanced-search-panel {
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: 18px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    text-align: left;
}

.advanced-search-panel.hidden { display: none; }

.field-group { display: flex; flex-direction: column; gap: 5px; }
.field-group label { font-size: 0.85rem; font-weight: bold; }
.field-group input {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-color);
}

/* History & Favorites */
.grid-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-card {
    padding: 1.5rem;
    border-radius: 24px;
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-card h3 {
    margin-top: 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.history-list, .favorites-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 1rem 0;
}

.history-item, .favorite-item {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.history-item:hover, .favorite-item:hover {
    background: var(--button-bg);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.remove-btn {
    border: none;
    background: none;
    color: var(--muted-text);
    padding: 0;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
}

/* Results Shell */
.results-shell {
    background: var(--results-bg);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 50px var(--shadow-color);
    color: var(--results-text);
    margin-top: 1rem;
    border: 1px solid var(--border-color);
}

.results-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--results-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--results-card);
}

.results-inner { padding: 1.5rem; min-height: 200px; }

.results-panel { display: none; }
.results-panel.active { display: block; }

/* Google CSE Overrides */
.gsc-control-cse { 
    padding: 0 !important; 
    background: transparent !important; 
    border: none !important; 
    font-family: inherit !important;
}
.gsc-webResult.gsc-result { 
    background: var(--results-card) !important;
    border: 1px solid var(--results-border) !important; 
    border-radius: 16px !important; 
    margin-bottom: 1.2rem !important; 
    padding: 1.5rem !important; 
    box-shadow: 0 4px 20px var(--results-shadow) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.gsc-webResult.gsc-result:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px var(--results-shadow) !important;
    border-color: var(--results-accent) !important;
}
.gs-title, .gs-title * { 
    color: var(--results-link) !important; 
    text-decoration: none !important; 
    font-size: 1.2rem !important;
    font-weight: 600 !important;
}
.gs-snippet { 
    color: var(--results-text) !important; 
    line-height: 1.5 !important;
    margin-top: 5px !important;
}
.gs-visibleUrl {
    color: var(--results-muted) !important;
}
.gsc-cursor-box { text-align: center !important; margin-top: 2rem !important; }
.gsc-cursor-page {
    padding: 10px 16px !important;
    border: 1px solid var(--results-border) !important;
    border-radius: 10px !important;
    margin: 0 5px !important;
    color: var(--results-text) !important;
    background: var(--results-card) !important;
    text-decoration: none !important;
    display: inline-block !important;
}
.gsc-cursor-current-page { 
    background: var(--results-accent) !important; 
    color: white !important; 
    border-color: var(--results-accent) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .grid-sections { grid-template-columns: 1fr; }
    .advanced-search-panel { grid-template-columns: 1fr; }
    .hero-card { padding: 1.5rem 1rem; }
    .brand h1 { font-size: 2rem; }
    .main-container { padding: 1rem; }
    #app-menu { width: 90vw; right: -1rem; }
}