* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Vazirmatn', Tahoma, Arial, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-wrapper {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 400px;
    padding: 40px 35px;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 30px;
    color: #fff;
}

.login-header h1 {
    font-size: 22px;
    color: #333;
    margin-bottom: 5px;
}

.login-header p {
    font-size: 13px;
    color: #999;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: #555;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1.5px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s;
    outline: none;
    background: #fafafa;
}

.form-group input:focus {
    border-color: #764ba2;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(118, 75, 162, 0.1);
}

.btn-login {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.2s;
    margin-top: 10px;
}

.btn-login:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.alert {
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
}

.alert-error {
    background: #fdecea;
    color: #c0392b;
    border: 1px solid #f5c6cb;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: #aaa;
}