/* Base Styles */
:root {
    --primary-color: #FF6B6B;
    --primary-dark: #FF5252;
    --primary-light: #FFE3E3;
    --accent-color: #4ECDC4;
    --accent-dark: #45B7AF;
    --background-dark: #6C63FF;
    --background-light: #F8F9FA;
    --text-light: #FFFFFF;
    --text-dark: #2D3436;
    --transition-speed: 0.3s;
    --gradient-1: linear-gradient(135deg, #FF6B6B, #FFE66D);
    --gradient-2: linear-gradient(135deg, #4ECDC4, #6C63FF);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #6C63FF, #4ECDC4);
    color: var(--text-light);
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 0% 0%, rgba(255, 107, 107, 0.2) 20%, transparent 70%),
                radial-gradient(circle at 100% 100%, rgba(78, 205, 196, 0.2) 20%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    line-height: 1.2;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 3.5rem;
    background: linear-gradient(45deg, #FFE66D, #FF6B6B);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

header p {
    font-size: 1.2rem;
    color: var(--primary-light);
    opacity: 0.9;
}

/* Progress Indicator */
.progress-container {
    margin-bottom: 2rem;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-light);
    z-index: 1;
}

.step-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--background-light);
    border: 2px solid var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    position: relative;
    z-index: 2;
    transition: all var(--transition-speed) ease;
    color: var(--accent-color);
}

.step-indicator.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.step-indicator.completed {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.progress-bar {
    height: 4px;
    background: var(--primary-light);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(to right, var(--accent-color), var(--primary-color));
    width: 0;
    transition: width var(--transition-speed) ease;
}

/* Steps Container */
.steps-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.step {
    display: none;
    opacity: 0;
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
    padding: 2rem;
    transition: all var(--transition-speed) ease;
}

.step.active {
    display: block;
    opacity: 1;
    position: relative;
    color: var(--primary-color);
}

/* Sliding Blind Transition */
.sliding-blind {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--gradient-2);
    z-index: 10;
    transition: height 0.5s ease;
}

/* Transition Classes */
.slide-out-left {
    animation: slideBlindLeft 0.5s ease forwards;
}

.slide-in-right {
    animation: slideBlindRight 0.5s ease forwards;
}

.slide-out-right {
    animation: slideBlindRightOut 0.5s ease forwards;
}

.slide-in-left {
    animation: slideBlindLeftIn 0.5s ease forwards;
}

@keyframes slideBlindLeft {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-100%);
        opacity: 0;
    }
}

@keyframes slideBlindRight {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideBlindRightOut {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes slideBlindLeftIn {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Spirit Chips */
.spirit-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.spirit-chip {
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 2rem;
    padding: 0.75rem 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    user-select: none;
    font-size: 1.1rem;
}

.spirit-chip:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.2);
}

.spirit-chip input {
    display: none;
}

.spirit-chip.selected {
    background: var(--text-dark);
    color: white;
    border-color: var(--text-dark);
    transform: scale(0.98);
    box-shadow: 0 4px 12px rgba(45, 52, 54, 0.3);
    font-weight: 600;
}

/* Flavor Chips */
.flavor-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.flavor-chip {
    background: white;
    border: 2px solid var(--accent-color);
    border-radius: 2rem;
    padding: 0.75rem 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--accent-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    user-select: none;
    font-size: 1.1rem;
}

.flavor-chip:hover {
    background: var(--accent-light);
    color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.2);
}

.flavor-chip input {
    display: none;
}

.flavor-chip input:checked + span {
    color: white;
}

.flavor-chip.selected {
    background: var(--text-dark);
    color: white;
    border-color: var(--text-dark);
    transform: scale(0.98);
    box-shadow: 0 4px 12px rgba(45, 52, 54, 0.3);
    font-weight: 600;
}

/* Complexity Slider */
.complexity-slider {
    margin-top: 2rem;
}

.slider-container {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    margin: 2rem 0;
}

.slider-container h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.complexity-slider,
.strength-slider {
    margin: 2rem 0;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--primary-light);
    outline: none;
    -webkit-appearance: none;
    margin-bottom: 1rem;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.complexity-labels,
.strength-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    color: var(--text-dark);
    font-size: 0.9rem;
    padding: 0 12px;
}

.complexity-labels span,
.strength-labels span {
    transition: all var(--transition-speed) ease;
}

.complexity-labels span.active,
.strength-labels span.active {
    color: var(--accent-color);
    font-weight: bold;
    transform: scale(1.1);
}

/* Strength Toggle */
.strength-toggle {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--primary-light);
    transition: var(--transition-speed);
    border-radius: 34px;
}

.switch .slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-speed);
    border-radius: 50%;
}

.switch input:checked + .slider {
    background-color: var(--accent-color);
}

.switch input:checked + .slider:before {
    transform: translateX(26px);
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.nav-btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-btn.next {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.nav-btn.back {
    display: block;
    background: var(--gradient-2);
    color: white;
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
}

/* Results Container */
#results-container {
    padding: 2rem;
}

.drink-card {
    background: white;
    border-radius: 1.5rem;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    transition: all 0.3s ease;
}

.drink-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.drink-header {
    background: var(--gradient-1);
    padding: 1.5rem;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.strength-badge {
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.drink-image {
    height: 200px;
    overflow: hidden;
}

.drink-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.drink-details {
    padding: 1.5rem;
    color: var(--text-dark);
}

.drink-details h4 {
    margin-top: 1rem;
    color: var(--primary-color);
}

.drink-notes {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--primary-light);
    font-style: italic;
    color: #666;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Loading Spinner */
.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid var(--accent-color);
    border-right: 4px solid var(--primary-color);
    border-bottom: 4px solid var(--accent-dark);
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

/* Start Over Button */
.start-over-btn {
    background: var(--gradient-2);
    color: white;
    padding: 1rem 2rem;
    border-radius: 2rem;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 2rem;
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
}

.start-over-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .app-container {
        padding: 1rem;
    }

    header h1 {
        font-size: 2.5rem;
    }

    .spirit-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .navigation-buttons {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 1rem;
        background: white;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    }
}

/* Preference Cards */
.preferences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.pref-card {
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 1rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    user-select: none;
}

.pref-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.2);
}

.pref-card input {
    display: none;
}

.pref-card input:checked + span {
    color: #FFE0E0;
}

.pref-card input:checked ~ .pref-card {
    background: #FF3333;
}

/* Add a selected class for JavaScript toggling */
.pref-card.selected {
    background: #FF3333;
    color: #FFE0E0;
    transform: scale(0.95);
    box-shadow: 0 4px 12px rgba(255, 51, 51, 0.3);
    font-weight: 600;
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.liqueurs-section,
.preferences-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
}

.liqueurs-section h3,
.preferences-section h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.preferences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.pref-card {
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 1rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    user-select: none;
    min-height: 60px;
}

.pref-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.2);
}

.pref-card input {
    display: none;
}

.pref-card.selected {
    background: var(--text-dark);
    color: white;
    border-color: var(--text-dark);
    transform: scale(0.98);
    box-shadow: 0 4px 12px rgba(45, 52, 54, 0.3);
    font-weight: 600;
}

@media (max-width: 768px) {
    .preferences-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}