:root {
    --bg-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.2);
    --input-bg: rgba(15, 23, 42, 0.5);
    --border: rgba(255, 255, 255, 0.08);
    --hr-color: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.8);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent: #0284c7;
    --input-bg: rgba(241, 245, 249, 0.9);
    --border: rgba(15, 23, 42, 0.08);
    --hr-color: rgba(15, 23, 42, 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; transition: all 0.4s ease; }

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-gradient);
    background-attachment: fixed;
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    padding: 40px 20px;
}

.theme-switch {
    position: sticky; top: 20px; align-self: flex-end;
    background: var(--card-bg); border: 1px solid var(--border);
    padding: 10px 18px; border-radius: 50px; cursor: pointer;
    backdrop-filter: blur(10px); display: flex; align-items: center;
    gap: 8px; font-weight: 500; color: var(--text-main);
    z-index: 100; margin-bottom: 30px; font-size: 0.9rem;
}

.hub-link {
    position: absolute; top: 40px; left: 20px;
    text-decoration: none; color: var(--text-muted);
    font-size: 0.8rem; font-weight: 600;
}

.container { width: 100%; max-width: 800px; }

.search-container { position: relative; margin-bottom: 30px; }
#searchBox {
    width: 100%; padding: 16px 25px; border-radius: 15px;
    border: 1px solid var(--border); background: var(--input-bg);
    color: var(--text-main); font-size: 1rem; outline: none;
    backdrop-filter: blur(10px);
}

.autocomplete-list {
    position: absolute; top: 65px; left: 0; right: 0;
    background: var(--card-bg); border-radius: 15px;
    border: 1px solid var(--border); backdrop-filter: blur(20px);
    max-height: 250px; overflow-y: auto; z-index: 1000; display: none;
}
.suggestion-item { padding: 12px 20px; cursor: pointer; border-bottom: 1px solid var(--border); }
.suggestion-item:hover { background: var(--accent); color: white; }

.weather-card {
    background: var(--card-bg); backdrop-filter: blur(12px);
    border-radius: 24px; padding: 30px; border: 1px solid var(--border);
    margin-bottom: 30px; display: none;
}

.temp-display { font-size: 4rem; font-weight: 800; color: var(--accent); }

.grid-stats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px; margin-top: 30px;
}
.stat-box {
    background: var(--input-bg); padding: 15px; border-radius: 15px;
    text-align: center; border: 1px solid var(--border);
}
.stat-box p { font-size: 0.75rem; color: var(--text-muted); }
.stat-box span { font-weight: 700; color: var(--accent); }

.forecast-container { margin-top: 20px; display: none; }
.forecast-row { display: flex; gap: 12px; overflow-x: auto; padding: 10px 0; scrollbar-width: none; }
.forecast-card {
    min-width: 100px; background: var(--card-bg); padding: 15px;
    border-radius: 18px; text-align: center; border: 1px solid var(--border);
}

footer { width: 100%; max-width: 600px; text-align: center; margin-top: auto; padding-top: 40px; }
hr { border: 0; height: 1px; background: var(--hr-color); margin-bottom: 25px; }
.footer-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-bottom: 20px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--accent); }
.branding { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 8px; }
.other-sites { font-size: 0.85rem; color: var(--text-muted); }
.other-sites a { color: var(--accent); text-decoration: none; font-weight: 600; }

.refresh-btn {
    background: var(--accent); color: white; border: none;
    padding: 10px 20px; border-radius: 10px; cursor: pointer;
    font-weight: 600; margin-bottom: 20px;
}