:root {
    --primary: #4F46E5;
    --primary-dark: #3730A3;
    --secondary: #6B7280;
    --success: #059669;
    --warning: #D97706;
    --error: #DC2626;
    --bg-light: #F8FAFC;
    --text-dark: #1F2937;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-container {
    width: 100%;
    max-width: 450px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    padding: 3rem;
    text-align: center;
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.login-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

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

.login-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid #E5E7EB;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.login-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.cta-button {
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    margin-top: 1rem;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
    color: white;
}

.cta-button:disabled {
    background: #D1D5DB;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.error-message {
    background: #FEE2E2;
    color: var(--error);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.success-message {
    background: #D1FAE5;
    color: var(--success);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

.forgot-password {
    margin-top: 1rem;
    text-align: center;
}

.forgot-password a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-password a:hover {
    text-decoration: underline;
}

.signup-link {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #E5E7EB;
    color: var(--secondary);
}

.signup-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.signup-link a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .login-container {
        padding: 2rem;
        margin: 1rem;
    }
    
    .login-title {
        font-size: 2rem;
    }
}