/* ============================================================
   AUTHENTICATION – Modern, Clean, Centered
   ============================================================ */

body {
    background: #f0f2f5;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Inter', sans-serif;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    margin: auto;
}

.auth-brand {
    text-align: center;
    margin-bottom: 30px;
}

.auth-brand h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
    letter-spacing: -0.5px;
}

.auth-brand h1 span {
    color: #f0b429;
}

.auth-brand p {
    color: #7f8c8d;
    font-size: 14px;
    margin: 4px 0 0;
}

.auth-card {
    background: #ffffff;
    padding: 36px 32px 40px;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.25s ease;
}

.auth-card:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.auth-card h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0 0 4px 0;
    letter-spacing: -0.3px;
}

.auth-card .auth-subtitle {
    color: #7f8c8d;
    font-size: 14px;
    margin: 0 0 24px 0;
}

.auth-card .form-group {
    margin-bottom: 18px;
}

.auth-card .form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: #2c3e50;
    margin-bottom: 4px;
}

.auth-card .form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e4e8;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.2s;
    background: #fafbfc;
    box-sizing: border-box;
}

.auth-card .form-control:focus {
    border-color: #f0b429;
    outline: none;
    box-shadow: 0 0 0 4px rgba(240, 180, 41, 0.1);
    background: #fff;
}

.auth-card .btn-block {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 700;
    background: #1a1a2e;
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 6px;
    box-shadow: 0 4px 12px rgba(26, 26, 46, 0.15);
}

.auth-card .btn-block:hover {
    background: #f0b429;
    color: #1a1a2e;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(240, 180, 41, 0.25);
}

.auth-card .btn-block:active {
    transform: scale(0.98);
}

.auth-card .auth-links {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: #7f8c8d;
}

.auth-card .auth-links a {
    color: #1a1a2e;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}

.auth-card .auth-links a:hover {
    color: #f0b429;
    border-bottom-color: #f0b429;
}

/* Alerts inside auth card */
.auth-card .alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 18px;
    border-left: 4px solid transparent;
}
.auth-card .alert-success {
    background: #d4edda;
    border-color: #2ecc71;
    color: #155724;
}
.auth-card .alert-error {
    background: #f8d7da;
    border-color: #e74c3c;
    color: #721c24;
}
.auth-card .alert-info {
    background: #d1ecf1;
    border-color: #3498db;
    color: #0c5460;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media screen and (max-width: 480px) {
    .auth-card {
        padding: 24px 20px;
    }
    .auth-card h2 {
        font-size: 22px;
    }
    .auth-card .form-control {
        font-size: 15px;
        padding: 10px 14px;
    }
    .auth-card .btn-block {
        padding: 12px;
        font-size: 15px;
    }
}