:root {
    --primary: #6366f1;
    --secondary: #4f46e5;
    --accent: #818cf8;
    --background: #f8fafc;
}

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

body {
    background: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.login-container:hover {
    transform: translateY(-5px);
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h2 {
    color: var(--secondary);
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.header p {
    color: #64748b;
    font-size: 14px;
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.input-field {
    width: 100%;
    padding: 16px 16px 16px 48px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background-color: transparent;
}

#password {
    padding-right: 48px;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    width: 20px;
    height: 20px;
    z-index: 2;
}

.form-group label {
    position: absolute;
    left: 48px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 15px;
    transition: all 0.3s ease;
    pointer-events: none;
    background: white;
    padding: 0 4px;
}

.form-group:focus-within label,
.input-field:not(:placeholder-shown)+label {
    top: 0;
    font-size: 13px;
    color: var(--primary);
    transform: translateY(-50%);
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    width: 20px;
    height: 20px;
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 0;
}

.toggle-password:hover {
    color: var(--primary);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 500;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.1);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(79, 70, 229, 0.2);
}

.error-message {
    background: #fee2e2;
    color: #dc2626;
    padding: 12px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    display: none;
}

@media (max-width: 480px) {
    .login-container {
        padding: 30px;
    }

    .header h2 {
        font-size: 24px;
    }

    .input-field {
        padding: 14px 16px 14px 44px;
    }

    .form-group label {
        left: 44px;
    }

    .input-icon {
        left: 14px;
    }
}