:root {
    /* Background colors */
    --bg-primary: #3D2B22;
    --bg-secondary: #4A3728;
    --bg-card: #5C4033;
    --bg-input: #F5E6D3;
    
    /* Text colors */
    --text-primary: #F5E6D3;
    --text-secondary: #C4A77D;
    --text-dark: #2C1810;
    
    /* Accent colors */
    --accent-orange: #E07B4C;
    --accent-coral: #D4654A;
    --accent-glow: rgba(224, 123, 76, 0.4);
    
    /* UI colors */
    --border-color: #6B5344;
    --border-glow: rgba(224, 123, 76, 0.6);
    
    /* Shadows */
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --glow-shadow: 0 0 20px var(--accent-glow);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Header --- */
.app-header {
    background-color: rgba(61, 43, 34, 0.9);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--accent-orange);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-orange);
    text-shadow: 0 0 10px var(--accent-glow);
}

.main-nav {
    display: flex;
    gap: 1rem;
}

.nav-tab {
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.nav-tab:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
    background-color: rgba(224, 123, 76, 0.1);
    box-shadow: 0 0 15px rgba(224, 123, 76, 0.2);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.user-icon {
    font-size: 1.2rem;
}

/* --- Main Layout --- */
.app-main {
    flex: 1;
    padding: 2rem;
}

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

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

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

/* --- Two Column Layout --- */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* --- Forms & Inputs --- */
.left-panel {
    background: rgba(61, 43, 34, 0.5);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.form-section {
    margin-bottom: 1.5rem;
}

.field-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.input-field {
    width: 100%;
    background-color: var(--bg-input);
    border: none;
    border-radius: 8px;
    padding: 0.8rem 1rem;
    color: var(--text-dark);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-field:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-orange);
}

.input-field::placeholder {
    color: rgba(44, 24, 16, 0.5);
}

.restaurant-inputs-section {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* --- Filters --- */
.filter-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--accent-orange);
    font-weight: bold;
}

.filter-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pill-dropdown {
    flex: 1;
    position: relative;
}

.pill-select {
    width: 100%;
    appearance: none;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
}

.pill-select:focus {
    outline: none;
    border-color: var(--accent-orange);
}

/* --- Toggles --- */
.toggle-row {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.toggle-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.toggle-input {
    display: none;
}

.toggle-dot {
    width: 16px;
    height: 16px;
    border-radius: 4px; /* Rounded square for checkbox look */
    background-color: var(--bg-card);
    border: 2px solid var(--text-secondary);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-input:checked + .toggle-dot {
    background-color: var(--accent-orange);
    border-color: var(--accent-orange);
    box-shadow: 0 0 8px var(--accent-glow);
}

/* Optional checkmark */
.toggle-input:checked + .toggle-dot::after {
    content: '✓';
    color: white;
    font-size: 10px;
    font-weight: bold;
}

.toggle-input:checked ~ .toggle-label {
    color: var(--text-primary);
}

/* --- CTA Button --- */
.cta-button {
    width: 100%;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-coral));
    border: none;
    padding: 1rem;
    border-radius: 30px;
    color: white;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 2rem;
    transition: all 0.3s ease;
    box-shadow: var(--glow-shadow);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 25px var(--accent-glow);
}

.cta-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.cta-button.secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.cta-button.secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-secondary);
}

/* --- Right Panel (Results) --- */
.panel-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: normal;
}

.recommendations-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.recommendation-card {
    background: rgba(61, 43, 34, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.recommendation-card:hover {
    border-color: var(--accent-orange);
    box-shadow: var(--card-shadow);
    transform: translateY(-2px);
}

.recommendation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-orange), var(--accent-coral));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.restaurant-name {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.restaurant-address {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    opacity: 0.8;
}

.recommendation-context {
    background-color: rgba(224, 123, 76, 0.15);
    color: var(--accent-orange);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.8rem;
    display: inline-block;
}

.recommendation-context i {
    margin-right: 0.4rem;
}

.recommendation-reason {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.reason-label {
    color: var(--accent-orange);
    font-weight: bold;
}

.card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.action-btn.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: white;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 16px;
}

/* --- Awesomplete Customization --- */
.awesomplete {
    width: 100%; /* Ensure container takes full width */
}

.awesomplete > ul {
    background-color: var(--bg-input);
    color: var(--text-dark);
    border-radius: 0 0 8px 8px;
    border: 1px solid var(--border-color);
    border-top: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    padding: 0; /* Remove default list padding */
    margin-top: 0;
    overflow: hidden; /* Contain rounded corners */
    z-index: 1000;
}

.awesomplete > ul > li {
    padding: 0.8rem 1rem; /* More breathing room */
    cursor: pointer;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 0.95rem;
    line-height: 1.4;
    transition: background-color 0.2s;
}

.awesomplete > ul > li:last-child {
    border-bottom: none;
}

/* Hover state */
.awesomplete > ul > li:hover {
    background-color: rgba(224, 123, 76, 0.1); /* Subtle orange tint */
    color: var(--text-dark);
}

/* Selected state (Keyboard navigation) */
.awesomplete > ul > li[aria-selected="true"] {
    background-color: var(--accent-orange);
    color: white;
}

/* Highlighted match text */
.awesomplete mark {
    background: transparent;
    color: inherit;
    font-weight: bold;
    text-decoration: underline;
    text-decoration-color: var(--accent-orange);
    padding: 0;
}

/* When item is selected, mark needs to be white */
.awesomplete > ul > li[aria-selected="true"] mark {
    text-decoration-color: white;
}

/* --- Loading Indicator --- */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    color: var(--accent-orange);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(224, 123, 76, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-orange);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Preferences Panel --- */
.preferences-container {
    background: rgba(61, 43, 34, 0.5);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.panel-header {
    text-align: center;
    margin-bottom: 2rem;
}

.panel-header h2 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.panel-header p {
    color: var(--text-secondary);
}

.preferences-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.preferences-controls button {
    margin-top: 0;
    width: auto;
    padding: 0.8rem 2rem;
}

.restaurant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.preference-card {
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.preference-card h5 {
    font-size: 1rem;
    color: var(--text-primary);
}

/* --- Toggle Switch --- */
.preference-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
    padding: 2px;
}

.preference-toggle button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.preference-toggle button.active {
    background: var(--accent-orange);
    color: white;
    font-weight: bold;
}

.preference-toggle button.like.active { background: #4CAF50; }
.preference-toggle button.dislike.active { background: #F44336; }
.preference-toggle button.neutral.active { background: #9E9E9E; }

/* --- Feedback UI --- */
.feedback-card {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
}

.vote-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    min-width: 40px;
}

.vote-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: all 0.2s ease;
}

.vote-btn:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.vote-btn.upvote.active {
    color: var(--accent-orange);
    filter: drop-shadow(0 0 5px var(--accent-glow));
}

.vote-btn.downvote.active {
    color: #9ca3af; /* Muted grey/blue for downvote */
}

.vote-score {
    font-weight: bold;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.feedback-content {
    flex: 1;
    padding-top: 0.2rem;
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .two-column-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .app-main {
        padding: 1rem;
    }

    /* Stack Header: Logo/User top, Nav bottom */
    .header-content {
        display: grid;
        grid-template-columns: auto 1fr auto; /* Hamburger, Logo, Profile */
        align-items: center;
        gap: 0.5rem;
        flex-direction: unset; /* Override flex */
    }

    .mobile-menu-btn {
        display: block;
        grid-column: 1;
        grid-row: 1;
    }

    .logo {
        grid-column: 2;
        grid-row: 1;
        justify-content: center;
    }
    
    .user-profile {
        position: static; /* Reset absolute */
        grid-column: 3;
        grid-row: 1;
        justify-content: flex-end;
    }

    /* Collapsible Nav */
    .main-nav {
        display: none; /* Hidden by default */
        grid-column: 1 / -1;
        flex-direction: column;
        width: 100%;
        padding-top: 1rem;
        border-top: 1px solid rgba(255,255,255,0.1);
        margin-top: 0.5rem;
    }
    
    .main-nav.show {
        display: flex;
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }
    
    .nav-tab {
        width: 100%;
        text-align: left;
        padding: 1rem;
        border-radius: 8px;
    }

    .nav-tab.active {
        background-color: rgba(224, 123, 76, 0.1);
    }

    /* Centered Titles */
    .panel-title {
        text-align: center;
    }

    /* Larger Inputs for Touch */
    .input-field, .pill-select {
        font-size: 16px; /* Prevents iOS zoom */
        padding: 1rem;
    }
    
    /* Full width filters */
    .filter-row {
        flex-direction: column;
        gap: 0.8rem;
    }

    /* Stack toggles cleanly */
    .toggle-row {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: flex-start;
    }
    
    .toggle-option {
        padding: 0.5rem;
        background: rgba(0,0,0,0.1);
        border-radius: 8px;
    }
}