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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: #0f0f1a;
    color: #f0f0f5;
    line-height: 1.5;
}

a { color: #7c6cf0; text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Landing --- */
.landing {
    max-width: 700px;
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
}
.landing h1 { font-size: 2.5rem; margin-bottom: 10px; }
.hero-text { color: #b5b5c9; margin-bottom: 30px; font-size: 1.1rem; }

.pasos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-top: 50px;
    text-align: left;
}
.paso {
    background: #1a1a2e;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #2a2a3e;
}
.paso .num {
    display: inline-block;
    width: 30px; height: 30px;
    background: #7c6cf0;
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    font-weight: bold;
    margin-bottom: 10px;
}
.paso h3 { margin-bottom: 6px; }
.paso p { color: #b5b5c9; font-size: 0.9rem; }

/* --- Auth --- */
.auth-box {
    max-width: 380px;
    margin: 80px auto;
    background: #1a1a2e;
    padding: 30px;
    border-radius: 16px;
    border: 1px solid #2a2a3e;
}
.auth-box h1 { text-align: center; font-size: 1.8rem; }
.subtitle { text-align: center; color: #b5b5c9; margin-bottom: 25px; font-size: 0.9rem; }

form label { display: block; margin-top: 15px; margin-bottom: 5px; font-size: 0.9rem; color: #b5b5c9; }
form input {
    width: 100%;
    padding: 10px 12px;
    background: #0f0f1a;
    border: 1px solid #2a2a3e;
    border-radius: 8px;
    color: #f0f0f5;
    font-size: 1rem;
}
form input:focus { outline: none; border-color: #7c6cf0; }

.btn-primary {
    display: inline-block;
    background: #7c6cf0;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    margin-top: 20px;
    width: 100%;
    text-align: center;
}
.btn-primary:hover { background: #6a5ce0; text-decoration: none; }
.btn-large { width: auto; padding: 14px 32px; font-size: 1.1rem; }

.alt-link { text-align: center; margin-top: 18px; font-size: 0.9rem; color: #b5b5c9; }

.alert-error {
    background: #3a1a1a;
    border: 1px solid #7a3030;
    color: #ff9b9b;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

/* --- Navbar --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 30px;
    background: #1a1a2e;
    border-bottom: 1px solid #2a2a3e;
}
.navbar .logo { font-weight: bold; font-size: 1.2rem; }
.navbar div a { margin-left: 20px; color: #f0f0f5; }

/* --- Dashboard --- */
.container { max-width: 700px; margin: 0 auto; padding: 30px 20px; }
.balance-card {
    background: linear-gradient(135deg, #7c6cf0, #5a4bc4);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    margin-bottom: 30px;
}
.balance-card p { opacity: 0.8; }
.balance-card h2 { font-size: 2.5rem; margin: 8px 0 16px; }
.balance-card .btn-primary { background: white; color: #5a4bc4; width: auto; padding: 12px 24px; }

.tabla-historial { width: 100%; border-collapse: collapse; margin-top: 15px; }
.tabla-historial th, .tabla-historial td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid #2a2a3e;
    font-size: 0.9rem;
}
.tabla-historial th { color: #b5b5c9; font-weight: 500; }

.badge { padding: 3px 10px; border-radius: 12px; font-size: 0.75rem; }
.badge-aprobado { background: #1a3a2a; color: #6fd99a; }
.badge-pendiente { background: #3a3a1a; color: #d9c96f; }
.badge-revertido { background: #3a1a1a; color: #d96f6f; }

.empty { color: #b5b5c9; margin-top: 15px; }