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

.admin-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #2a5298, #1e3c72);
    font-family: 'Inter', sans-serif;
}

.admin-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.admin-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    padding: 2.5rem;
    text-align: center;
    animation: fadeIn 0.5s ease-in-out;
}

.admin-logo {
    width: 120px;
    margin: 0 auto 1rem auto;
    display: block;
}

.admin-title {
    font-size: 1.5rem;
    color: #1e3c72;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.5rem;
    border: 1px solid #ccc;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background-color: #f9fafb;
}

.form-group input:focus {
    outline: none;
    border-color: #2a5298;
    box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.15);
    background-color: #fff;
}

.input-icon {
    position: absolute;
    top: 25%;
    left: 10px;
    transform: translateY(-50%);
    color: #777;
    font-size: 1.2rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2a5298, #1e3c72);
    color: white;
    border: none;
    padding: 0.8rem;
    font-size: 1rem;
    border-radius: 12px;
    cursor: pointer;
    width: 100%;
    transition: background 0.3s ease, transform 0.2s;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}