body {
    background: linear-gradient(135deg, #181c2f 0%, #232946 100%);
    min-height: 100vh;
    font-family: 'Poppins', 'Vazirmatn', sans-serif;
    color: #f3f6fd;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #232946;
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    padding: 48px 36px 32px 36px;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 32px;
    color: #3b82f6;
}

.login-header .logo i {
    font-size: 40px;
    color: #3b82f6;
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: #f3f6fd;
    margin: 0;
}

.login-header .subtitle {
    color: #a1a7bb;
    font-size: 1rem;
    margin-top: 8px;
}

.login-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    color: #a1a7bb;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-control {
    padding: 12px 16px;
    border-radius: 10px;
    border: 2px solid #232946;
    background: #181c2f;
    color: #f3f6fd;
    font-size: 1rem;
    transition: border 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px #3b82f6;
}

.btn-login {
    width: 100%;
    padding: 14px 0;
    border-radius: 10px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    box-shadow: 0 4px 16px rgba(59,130,246,0.15);
    transition: background 0.2s, transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.btn-login:hover {
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    transform: translateY(-2px) scale(1.03);
}

.alert-danger {
    background: #ef4444;
    color: #fff;
    border-radius: 8px;
    padding: 10px 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.98rem;
}

.login-footer {
    margin-top: 32px;
    text-align: center;
    color: #a1a7bb;
    font-size: 0.95rem;
}

@media (max-width: 480px) {
    .login-card {
        padding: 32px 10px 24px 10px;
    }
}