:root {
    --bg: #0f172a;
    --card: #1e293b;
    --accent: #ec4899;
    --cyan: #00f2fe;
    --text: #f1f5f9;
}

body { margin: 0; font-family: 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); }

.login-container { height: 100vh; display: flex; justify-content: center; align-items: center; }
.login-box { background: var(--card); padding: 40px; border-radius: 15px; text-align: center; width: 300px; }
.login-box input { width: 90%; padding: 10px; margin: 10px 0; border-radius: 5px; border: 1px solid #334155; background: #0f172a; color: white; }

.dashboard { display: none; height: 100vh; } /* Inicialmente oculto */

aside { width: 220px; background: var(--card); padding: 20px; border-right: 1px solid #334155; }
aside li { padding: 15px; cursor: pointer; border-radius: 8px; list-style: none; margin-bottom: 5px; }
aside li.active, aside li:hover { background: var(--accent); }

main { flex: 1; padding: 30px; overflow-y: auto; }

.cards { display: flex; gap: 20px; margin-bottom: 25px; }
.card { background: var(--card); padding: 20px; border-radius: 12px; flex: 1; border-bottom: 3px solid var(--cyan); }
.card span { font-size: 22px; font-weight: bold; color: var(--cyan); display: block; margin-top: 10px; }

.btn { padding: 12px 20px; border: none; border-radius: 8px; cursor: pointer; font-weight: bold; background: var(--accent); color: white; margin-right: 10px; }
.btn-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.btn-danger { background: #ff4444; }

.grafico-box { background: var(--card); padding: 20px; border-radius: 12px; margin-top: 20px; height: 400px; }

.content { display: none; }
.content.active { display: block; }

table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid #334155; }