/* Fantasy Story Generator - Kid-Friendly Styles */

:root {
    --primary: #FF6B9D;
    --secondary: #9B59B6;
    --accent-1: #3498DB;
    --accent-2: #2ECC71;
    --accent-3: #F39C12;
    --accent-4: #E74C3C;
    --bg-gradient-1: #FFF5F8;
    --bg-gradient-2: #F0E6FF;
    --bg-gradient-3: #E8F6FF;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --card-bg: #FFFFFF;
    --shadow: 0 8px 32px rgba(155, 89, 182, 0.15);
    --shadow-hover: 0 12px 40px rgba(155, 89, 182, 0.25);
}

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

body {
    font-family: 'Nunito', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 50%, var(--bg-gradient-3) 100%);
    min-height: 100vh;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(155, 89, 182, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(52, 152, 219, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 30px 0;
}

header h1 {
    font-family: 'Fredoka', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent-1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-top: 8px;
}

main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

/* Form Styles */
#input-section h2 {
    font-family: 'Fredoka', sans-serif;
    color: var(--secondary);
    font-size: 1.8rem;
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 3px solid #E8E8E8;
    border-radius: 14px;
    font-size: 1rem;
    font-family: 'Nunito', sans-serif;
    transition: all 0.3s ease;
    background: #FAFAFA;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.15);
    background: #FFF;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239B59B6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 44px;
}

/* Button Styles */
.btn-generate {
    width: 100%;
    padding: 18px 32px;
    font-size: 1.3rem;
    font-weight: 700;
    font-family: 'Fredoka', sans-serif;
    color: white;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 6px 20px rgba(155, 89, 182, 0.4);
    margin-top: 10px;
}

.btn-generate:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(155, 89, 182, 0.5);
}

.btn-generate:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.5rem;
}

.btn-secondary {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary);
    background: transparent;
    border: 2px solid var(--secondary);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--secondary);
    color: white;
}

/* API Key Section */
.api-key-section {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px dashed rgba(155, 89, 182, 0.3);
    text-align: left;
}

.api-key-section label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.required-indicator {
    color: #E74C3C;
    font-weight: 700;
    font-size: 1.1rem;
}

.api-key-section input {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9rem;
    border: 2px solid #E74C3C;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    font-family: inherit;
}

.api-key-section input:focus {
    outline: none;
    border-color: var(--secondary);
    background: white;
    box-shadow: 0 0 0 3px rgba(155, 89, 182, 0.1);
}

.api-key-section input:invalid {
    border-color: #E74C3C;
    background: #FFF5F5;
}

.api-key-section input:invalid:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

.api-key-section small {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.api-key-section small a {
    color: var(--secondary);
    text-decoration: none;
}

.api-key-section small a:hover {
    text-decoration: underline;
}

/* Loading State */
#loading-section {
    text-align: center;
}

.loader {
    padding: 40px 0;
}

.magic-wand {
    font-size: 4rem;
    animation: magic 1s ease-in-out infinite;
}

@keyframes magic {
    0%, 100% { transform: rotate(-15deg) scale(1); }
    50% { transform: rotate(15deg) scale(1.1); }
}

.loader p {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-top: 16px;
    font-weight: 600;
}

.progress-bar {
    width: 80%;
    max-width: 300px;
    height: 8px;
    background: #E8E8E8;
    border-radius: 4px;
    margin: 20px auto 0;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent-1));
    border-radius: 4px;
    width: 0%;
    animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
    0% { width: 0%; margin-left: 0; }
    50% { width: 60%; margin-left: 20%; }
    100% { width: 0%; margin-left: 100%; }
}

/* Story Display */
#story-section h2 {
    font-family: 'Fredoka', sans-serif;
    color: var(--secondary);
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 20px;
}

.story-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.illustration-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, #E8F6FF 0%, #F0E6FF 100%);
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.1);
}

#story-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

#story-image.loaded {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(1.02); }
    to { opacity: 1; transform: scale(1); }
}

.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: linear-gradient(135deg, #E8F6FF 0%, #F0E6FF 100%);
}

.image-placeholder.hidden {
    display: none;
}

.story-text {
    background: linear-gradient(135deg, #FFF9F0 0%, #FFF5F8 100%);
    padding: 24px;
    border-radius: 16px;
    border: 2px dashed var(--primary);
}

.story-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-dark);
    text-align: center;
    font-style: italic;
}

/* Navigation */
.story-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    padding: 16px;
    background: #F8F8F8;
    border-radius: 12px;
}

.nav-btn {
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--accent-1) 0%, var(--secondary) 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

.nav-btn:disabled {
    background: #CCC;
    cursor: not-allowed;
    opacity: 0.6;
}

.page-indicator {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.2rem;
    color: var(--text-dark);
}

#current-page {
    color: var(--primary);
    font-weight: 700;
}

#new-story-btn {
    width: 100%;
    margin-top: 20px;
}

/* Error State */
.error-message {
    text-align: center;
    padding: 20px;
}

.error-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 16px;
}

.error-message p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

/* Utility */
.hidden {
    display: none !important;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

footer a {
    display: inline-block;
    margin-top: 12px;
}

footer a img {
    transition: transform 0.3s ease;
}

footer a:hover img {
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 20px;
    }

    #input-section h2 {
        font-size: 1.4rem;
    }

    .story-text p {
        font-size: 1.05rem;
    }

    .story-navigation {
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav-btn {
        flex: 1;
        min-width: 100px;
    }
}

/* Sparkle animation for generated story */
.sparkle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent-3);
    border-radius: 50%;
    animation: sparkle 1s ease-out forwards;
    pointer-events: none;
}

@keyframes sparkle {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

/* Choice Indicator - Story Path */
.choice-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 10px;
    min-height: 20px;
}

.path-dot {
    width: 10px;
    height: 10px;
    background: #E0E0E0;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.path-dot.current {
    background: var(--primary);
    transform: scale(1.3);
    box-shadow: 0 0 8px var(--primary);
}

.path-line {
    width: 20px;
    height: 3px;
    background: linear-gradient(90deg, #E0E0E0, var(--primary));
    border-radius: 2px;
}

/* Choice Buttons Container */
.choices-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(135deg, #FFF9E6 0%, #FFE6F0 100%);
    border-radius: 16px;
    border: 2px dashed var(--accent-3);
}

.choice-btn {
    padding: 16px 24px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Nunito', sans-serif;
    color: white;
    background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent-1) 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

.choice-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 20px rgba(46, 204, 113, 0.4);
}

.choice-btn:active {
    transform: translateY(0) scale(0.98);
}

.choice-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    font-family: 'Fredoka', sans-serif;
    font-weight: 700;
    flex-shrink: 0;
}

/* Ending Message */
.ending-message {
    text-align: center;
    padding: 20px;
    animation: celebrateIn 0.5s ease;
}

@keyframes celebrateIn {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.ending-message h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 10px;
}

/* Confetti Animation */
.confetti {
    position: fixed;
    top: -20px;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    animation: confettiFall linear forwards;
    z-index: 1000;
    pointer-events: none;
}

@keyframes confettiFall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}