body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: #f5f7fb;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 48px 16px;
    box-sizing: border-box;
}


.container {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    padding: 32px;
}

.logo {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.logo-circle {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #6a5cff, #9b5cff);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
}

h1 {
    text-align: center;
    margin: 12px 0 4px;
    font-size: 22px;
}

.subtitle {
    text-align: center;
    color: #777;
    font-size: 14px;
    margin-bottom: 24px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    margin-top: 16px;
}

input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 14px;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: #6a5cff;
}

.btn {
    margin-top: 24px;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    background: #0b0b1f;
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.btn:hover {
    background: #1a1a3a;
}

.links {
    margin-top: 18px;
    text-align: center;
    font-size: 14px;
}

.links a {
    color: #6a5cff;
    text-decoration: none;
    font-weight: 500;
}

.demo-box {
    margin-top: 24px;
    background: #f1f5ff;
    border-radius: 10px;
    padding: 14px;
    font-size: 13px;
    color: #333;
}

.demo-box strong {
    display: block;
    margin-bottom: 6px;
}

.error {
    background: #fde2e2;
    color: #b00020;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 12px;
    text-align: center;
    font-size: 14px;
}

.card {
    background: #ffffff;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.card h2 {
    margin: 0 0 4px;
    font-size: 18px;
}

.card-subtitle {
    margin: 0 0 20px;
    font-size: 14px;
    color: #777;
}
.admin-input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;

    border-radius: 10px;
    border: 1px solid #e5e7eb;
    background: #f3f4f6;

    font-size: 14px;
    outline: none;
}

.admin-input:focus {
    background: #ffffff;
    border-color: #8b5cf6;
}