@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');

:root {
    --primary: #FF671F;
    --secondary: #046A38;
    --light-bg: #fff3e6;
    --light-text: #333;
    --light-subtext: #666;
    --dark-bg: #1e1e1e;
    --dark-text: #e0e0e0;
    --highlight: #FFD700;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background: var(--light-bg);
    color: var(--light-text);
    transition: all 0.2s ease-in-out;
}

body.dark-mode {
    background: var(--dark-bg);
    color: var(--dark-text);
}

.hidden { display: none; }

/* Main page */
#main-page {
    padding: 2vw 4vw;
    text-align: center;
    min-height: 100vh;
}

.header .logo {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

.header .logo span { color: var(--secondary); }

.header .tagline {
    font-size: clamp(0.8rem, 2.5vw, 1rem);
    margin: 0.5rem 0;
    color: var(--light-subtext);
}

body.dark-mode .tagline { color: var(--dark-text); }

.search-container {
    max-width: min(90vw, 600px);
    margin: 2rem auto;
    position: relative;
}

.search-box {
    display: flex;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1);
    padding: 0.5rem;
    border: 1px solid rgba(255, 103, 31, 0.2);
}

body.dark-mode .search-box {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 103, 31, 0.3);
}

#main-search-input, #results-search-input {
    flex: 1;
    padding: 0.6rem 3rem 0.6rem 1rem;
    border: none;
    border-radius: 1.5rem 0 0 1.5rem;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    background: transparent;
}

body.dark-mode #main-search-input, body.dark-mode #results-search-input { color: var(--dark-text); }

#main-search-input:focus, #results-search-input:focus {
    outline: none;
    box-shadow: 0 0 0.3rem rgba(255, 103, 31, 0.5);
}

.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 0.5rem;
    box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1);
    z-index: 1000;
    max-height: 12rem;
    overflow-y: auto;
    display: none;
}

body.dark-mode .suggestions-dropdown { background: rgba(40, 40, 40, 0.95); }

.suggestions-dropdown .suggestion-item {
    padding: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.suggestions-dropdown .suggestion-item:hover {
    background: var(--primary);
    color: white;
}

#voice-search-btn {
    position: absolute;
    right: 3.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

body.dark-mode #voice-search-btn svg { fill: #b0b0b0; }

#main-search-button, #results-search-button {
    padding: 0.6rem 1.2rem;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 0 1.5rem 1.5rem 0;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

#main-search-button:hover, #results-search-button:hover {
    background: #e65b17;
    transform: translateY(-2px);
}

/* Results page */
.results-header {
    display: flex;
    align-items: center;
    padding: 0.5rem 2vw;
    background: rgba(255, 255, 255, 0.95);
    position: sticky;
    top: 0;
    box-shadow: 0 0.1rem 0.3rem rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

body.dark-mode .results-header { background: rgba(40, 40, 40, 0.95); }

.header-logo {
    font-size: clamp(1rem, 3vw, 1.2rem);
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    margin: 0 1rem;
}

.header-logo span { color: var(--secondary); }

.header-search-form { flex-grow: 1; margin: 0 0.5rem; position: relative; }

#results-search-input {
    width: 100%;
    padding: 0.5rem 3rem 0.5rem 1rem;
    border: none;
    border-radius: 1.5rem;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 103, 31, 0.2);
}

body.dark-mode #results-search-input {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 103, 31, 0.3);
}

#results-search-button {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.5rem 1rem;
    border-radius: 0 1.5rem 1.5rem 0;
}

.sub-header {
    padding: 0.5rem 2vw;
    border-bottom: 1px solid rgba(255, 103, 31, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

body.dark-mode .sub-header { background: rgba(40, 40, 40, 0.95); }

#tabs-container {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
}

.tab-button {
    padding: 0.4rem 0.8rem;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    color: var(--light-subtext);
    background: transparent;
}

.tab-button.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}

body.dark-mode .tab-button { color: var(--dark-text); }
body.dark-mode .tab-button.active { color: var(--highlight); }

#ai-summary-container, #instant-answer-container, #results-container, #related-searches, #translate-container, #find-in-page-container {
    max-width: min(90vw, 600px);
    margin: 1rem auto;
    padding: 0 2vw;
}

.summary-card, .widget-card, .result-item, .suggestion-item {
    padding: 0.8rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 103, 31, 0.2);
    box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1);
}

body.dark-mode .summary-card, body.dark-mode .widget-card, body.dark-mode .result-item, body.dark-mode .suggestion-item {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 103, 31, 0.3);
}

.summary-card:hover, .widget-card:hover, .result-item:hover, .suggestion-item:hover {
    transform: translateY(-2px);
}

.result-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.result-item img.thumbnail, .result-item video {
    max-width: min(25vw, 80px);
    margin-right: 0.8rem;
    border-radius: 0.3rem;
}

.result-item img.favicon {
    width: 1rem;
    height: 1rem;
    margin-right: 0.3rem;
}

.result-item .result-content { flex: 1; }

.result-item a {
    color: var(--primary);
    text-decoration: none;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    font-weight: 500;
    display: flex;
    align-items: center;
}

.result-item a:hover { color: var(--secondary); }
body.dark-mode .result-item a { color: var(--highlight); }

.result-item p { color: var(--light-subtext); margin: 0.3rem 0; font-size: 0.8rem; }
body.dark-mode .result-item p { color: var(--dark-text); }

.result-item small, .result-item .time { color: #888; font-size: 0.7rem; }
body.dark-mode .result-item small, body.dark-mode .result-item .time { color: #bbb; }

.suggestion-item { margin: 0.3rem 0; cursor: pointer; font-size: 0.9rem; }
.suggestion-item:hover { background: var(--primary); color: white; }

/* Side menu */
#side-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(90vw, 320px);
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    transition: right 0.3s ease-in-out;
    padding: 1rem;
    box-shadow: -0.1rem 0 0.5rem rgba(0, 0, 0, 0.1);
    z-index: 1000;
    overflow-y: auto;
}

body.dark-mode #side-menu { background: rgba(40, 40, 40, 0.95); }

#side-menu.open { right: 0; }

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

#side-menu.open + .overlay { display: block; }

.side-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

#close-menu-button {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

#close-menu-button:hover svg { fill: var(--primary); }
body.dark-mode #close-menu-button svg { fill: #b0b0b0; }

#side-menu h3 {
    font-size: clamp(1rem, 3vw, 1.1rem);
    margin: 0 0 0.8rem;
    color: var(--primary);
}

#side-menu a {
    display: block;
    padding: 0.5rem 0;
    color: var(--light-text);
    text-decoration: none;
    font-size: 0.9rem;
}

#side-menu a:hover { color: var(--secondary); }
body.dark-mode #side-menu a { color: var(--dark-text); }
body.dark-mode #side-menu a:hover { color: var(--highlight); }

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.theme-switch {
    width: 2.5rem;
    height: 1.3rem;
    position: relative;
}

.slider {
    background: #ccc;
    border-radius: 1rem;
    position: absolute;
    inset: 0;
}

.slider:before {
    content: "";
    width: 1rem;
    height: 1rem;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 0.15rem;
    left: 0.15rem;
    transition: transform 0.2s ease-in-out;
}

input:checked + .slider { background: var(--primary); }
input:checked + .slider:before { transform: translateX(1.2rem); }

.filter-section, .extra-tools, .developer-section, .app-download { margin: 0.8rem 0; }

#date-filter, #location-filter {
    padding: 0.5rem;
    border: 1px solid rgba(255, 103, 31, 0.2);
    border-radius: 0.5rem;
    background: transparent;
    font-size: 0.9rem;
    width: 100%;
    margin-bottom: 0.5rem;
}

body.dark-mode #date-filter, body.dark-mode #location-filter { background: #2a2a2a; }

#back-to-top, #back-to-home {
    position: fixed;
    bottom: 1rem;
    background: white;
    border: 1px solid var(--primary);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    cursor: pointer;
}

body.dark-mode #back-to-top, body.dark-mode #back-to-home { background: #2a2a2a; }

#back-to-top { right: 1rem; }
#back-to-home { right: 4rem; }

#back-to-top:hover, #back-to-home:hover { transform: translateY(-2px); }

/* Mobile responsiveness */
@media (max-width: 768px) {
    .header-logo span { display: none; }
    .header-search-form { margin: 0 0.3rem; }
    #results-search-input { padding: 0.5rem 2rem 0.5rem 0.5rem; }
    #results-search-button { padding: 0.5rem; }
    #ai-summary-container, #instant-answer-container, #results-container, #related-searches, #translate-container, #find-in-page-container {
        max-width: 95vw;
        padding: 0 1vw;
    }
}

@media (max-width: 480px) {
    .header .logo { font-size: 1.5rem; }
    .header .tagline { font-size: 0.8rem; }
    .search-box { padding: 0.4rem; }
    #main-search-input { padding: 0.5rem 2.5rem 0.5rem 0.8rem; }
    #voice-search-btn { right: 2.5rem; }
    #main-search-button { padding: 0.5rem 1rem; }
    .result-item { flex-direction: column; align-items: center; }
    .result-item img.thumbnail, .result-item video { margin: 0 0 0.5rem; max-width: 50vw; }
}