:root {
    --bg-color: #030305;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --accent: #00d2ff;
    --accent-glow: rgba(0, 210, 255, 0.3);
    --text: #e0e6ed;
    --red: #ff4b2b;
}

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

body {
    background: var(--bg-color);
    color: var(--text);
    font-family: 'Outfit', 'Inter', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background 1.5s ease;
    padding-top: 60px;
    min-height: 100vh;
    background-image: radial-gradient(circle at 50% 50%, #0f0c1e 0%, #030305 100%);
}

body.alert-mode {
    --bg-color: #1a0000;
    --accent: #ff4b2b;
    --accent-glow: rgba(255, 75, 43, 0.4);
}

#red-alert {
    display: none;
    width: 100%;
    background: var(--red);
    color: #fff;
    text-align: center;
    padding: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 0.8rem;
    animation: pulse-alert 2s infinite;
    position: fixed;
    top: 0;
    z-index: 2000;
}

@keyframes pulse-alert {
    0% { background: #ff4b2b; box-shadow: 0 0 10px rgba(255,75,43,0.5); }
    50% { background: #8a0000; box-shadow: 0 0 30px rgba(255,75,43,0.8); }
    100% { background: #ff4b2b; box-shadow: 0 0 10px rgba(255,75,43,0.5); }
}

.top-nav {
    position: fixed;
    top: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

.back-btn {
    padding: 8px 20px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 1px;
    backdrop-filter: blur(15px);
    transition: 0.3s;
}

.back-btn:hover {
    border-color: var(--accent);
    background: rgba(255,255,255,0.1);
}

.lang-selector {
    display: flex;
    gap: 5px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 5px 12px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 0.7rem;
    transition: 0.3s;
    backdrop-filter: blur(10px);
}

.lang-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
    font-weight: 700;
}

.container {
    max-width: 1100px;
    width: 90%;
    padding: 40px 0;
}

.mood-sphere {
    width: 100%;
    height: 180px;
    border-radius: 24px;
    background: var(--glass);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    font-weight: 200;
    margin-bottom: 30px;
    transition: 1s cubic-bezier(0.165, 0.84, 0.44, 1);
    backdrop-filter: blur(20px);
    letter-spacing: 8px;
    text-transform: uppercase;
}

.card {
    background: var(--glass);
    padding: 35px;
    border-radius: 24px;
    margin-bottom: 25px;
    border: 1px solid var(--border);
    backdrop-filter: blur(25px);
}

h1 {
    margin: 0 0 15px 0;
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.chart-container {
    position: relative;
    height: 450px;
    width: 100%;
    margin-top: 20px;
}

@media (max-width: 600px) {
    .chart-container { height: 300px; }
    .mood-sphere { font-size: 1.8rem; height: 140px; }
}

.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.price-box {
    background: rgba(0,0,0,0.2);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border);
    text-align: center;
    transition: 0.3s;
}

.price-box:hover {
    border-color: var(--accent);
    background: rgba(0, 210, 255, 0.05);
}

.price-val {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.price-label {
    font-size: 0.75rem;
    opacity: 0.4;
    letter-spacing: 2px;
}