:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.5);
    --gradient-start: #38bdf8;
    --gradient-end: #818cf8;
    --font-main: 'Inter', sans-serif;
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
    /* Prevent scrolling for app-like feel */
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-container {
    width: 100%;
    max-width: 600px;
    height: 100%;
    max-height: 900px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.highlight {
    color: var(--accent-color);
}

/* Progress Bar */
.progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 150px;
}

.progress-bar {
    flex-grow: 1;
    height: 6px;
    background: #334155;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--progress, 0%);
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Main Content Area */
main {
    flex-grow: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Views */
.view {
    position: absolute;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.view.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    z-index: 10;
}

/* Typography */
h1.hero-title {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.text-gradient {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 400px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    border: 2px solid #334155;
    color: var(--text-primary);
    margin-left: 1rem;
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Question Card */
.question-card {
    width: 100%;
}

.question-text {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
}

.option-btn {
    background: var(--card-bg);
    border: 1px solid #334155;
    padding: 1.5rem;
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.place-input {
    cursor: text;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}
.place-input:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.option-btn:hover {
    border-color: var(--accent-color);
    background: #253349;
    transform: scale(1.02);
}

.option-btn:active {
    transform: scale(0.98);
}

/* Result Card */
.result-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 24px;
    width: 100%;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border: 1px solid #334155;
}

.result-header {
    margin-bottom: 1.5rem;
}

.match-badge {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.result-image-placeholder {
    font-size: 6rem;
    margin: 2rem 0;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

.result-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Loader */
.loader {
    width: 48px;
    height: 48px;
    border: 5px solid #FFF;
    border-bottom-color: var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Footer */
footer {
    text-align: center;
    color: #475569;
    font-size: 0.875rem;
    padding-top: 1rem;
}

/* Responsive */
@media (min-width: 768px) {
    .options-grid {
        grid-template-columns: 1fr 1fr;
    }
}