/* 
 * Sip Rater Theme Variables
 * Derived from logo.png: Navy (#1A365D), Gold (#D4AF37), Spirit Blue (#88CCEE)
 */
:root {
    --color-bg: #0D1C30; /* Very Dark Navy derived from Logo */
    --color-surface: #1A365D; /* Dominant Navy from Logo */
    --color-text-main: #F3F4F6;
    --color-text-muted: #9CA3AF;
    
    --color-navy: #1A365D;
    --color-gold: #D4AF37;
    --color-spirit: #88CCEE;
    --color-beer: #EAB308;
    --color-wine: #9F1239; /* Deep ruby */
    
    --border-radius: 12px;
    --transition: 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

/* Header */
.app-header {
    text-align: center;
    padding: 1.25rem 1rem 1.25rem 3.5rem;
    background: linear-gradient(to bottom, rgba(26, 54, 93, 0.4), transparent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 72px;
}

/* Hamburger Menu */
.hamburger-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 1rem;
    background: transparent;
    border: none;
    color: var(--color-gold);
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 1000;
    line-height: 1;
    padding: 0.25rem;
}

.mobile-menu {
    position: absolute;
    top: 4.5rem;
    left: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-gold);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: none;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--color-text-main);
    text-decoration: none;
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
}

.mobile-menu a:hover {
    color: var(--color-gold);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.logo-container h1 {
    font-size: 2rem;
    letter-spacing: 2px;
    color: var(--color-gold);
    margin-bottom: 0.2rem;
}

.subtitle {
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* Layout */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

section {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

section.active {
    display: block;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

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

/* Category Tiles */
.tile-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.beverage-tile {
    background: var(--color-surface);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--color-text-main);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: left;
}

.beverage-tile:hover, .beverage-tile:active {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.05);
}

.icon-placeholder {
    font-size: 2.5rem;
    width: 60px;
    text-align: center;
}

.tile-wine { border-left: 4px solid var(--color-wine); }
.tile-beer { border-left: 4px solid var(--color-beer); }
.tile-spirit { border-left: 4px solid var(--color-spirit); }

/* Camera Module */
.camera-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.btn-text {
    background: none;
    border: none;
    color: var(--color-gold);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem;
}

#scanner-title {
    flex: 1;
    text-align: center;
    margin-right: 60px; /* balance back button */
}

.camera-viewfinder {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    background: #000;
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.overlay-shape {
    width: 70%;
    height: 60%;
    border: 2px dashed rgba(255,255,255,0.5);
    border-radius: 8px;
    transition: var(--transition);
}

.instruction-text {
    position: absolute;
    bottom: 2rem;
    background: rgba(0,0,0,0.6);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    text-align: center;
}

.camera-controls {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.btn-capture {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: transparent;
    border: 3px solid var(--color-text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.capture-inner {
    width: 54px;
    height: 54px;
    background: var(--color-text-main);
    border-radius: 50%;
    transition: var(--transition);
}

.btn-capture:active .capture-inner {
    transform: scale(0.9);
}

/* Progress Bar */
#scan-progress-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--color-gold);
    transition: width 0.3s;
}

.hidden {
    display: none !important;
}

/* Form Styles */
.form-section {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    transition: var(--transition);
}

.form-section:hover {
    border-color: rgba(212, 175, 55, 0.4);
    background: rgba(0, 0, 0, 0.35);
}

.form-section h3 {
    color: var(--color-gold);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    padding-bottom: 0.5rem;
    margin-bottom: 1.2rem;
    font-size: 1.3rem;
}

#dynamic-form-fields {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    #dynamic-form-fields {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    .form-section {
        margin-bottom: 0;
    }
}

.data-form {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.2);
    color: white;
    font-family: inherit;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

button[type="button"], button[type="submit"] {
    flex: 1;
    padding: 1rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-gold);
    color: #000;
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: white;
}

/* Evaluation Card */
.eval-loading {
    text-align: center;
    padding: 3rem 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem auto;
}

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

.eval-content {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border: 1px solid var(--color-gold);
}

.eval-content h3 {
    color: var(--color-gold);
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    padding-bottom: 0.5rem;
}

.eval-content p {
    margin-bottom: 1rem;
}

.eval-content strong {
    color: var(--color-spirit);
}

/* Autocomplete */
.autocomplete-wrapper { position: relative; width: 100%; }
.autocomplete-list {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-surface); border: 1px solid var(--color-gold);
    border-radius: 4px; z-index: 1000; max-height: 200px; overflow-y: auto;
    list-style: none; margin: 0; padding: 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}
.autocomplete-list li {
    padding: 10px; cursor: pointer; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.autocomplete-list li:hover { background: rgba(255,255,255,0.1); color: var(--color-gold); }

/* Bottom Navigation Bar */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(26, 54, 93, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(212, 175, 55, 0.3);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
}

.bottom-nav .nav-btn {
    flex: 1;
    height: 100%;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition);
}

.bottom-nav .nav-btn * {
    pointer-events: none;
}

.bottom-nav .nav-btn.active,
.bottom-nav .nav-btn:hover {
    color: var(--color-gold);
}

body {
    padding-bottom: 70px;
}