/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4A90E2;
    --primary-hover: #357ABD;
    --secondary-color: #6C757D;
    --success-color: #28A745;
    --error-color: #DC3545;
    --background: #F5F7FA;
    --surface: #FFFFFF;
    --text-primary: #2C3E50;
    --text-secondary: #6C757D;
    --border-color: #E1E8ED;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Container */
.container {
    width: 100%;
    max-width: 480px;
    animation: fadeIn 0.6s ease-in-out;
}

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

/* Login Box */
.login-box, .content-box {
    background: var(--surface);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    margin-bottom: 20px;
}

.content-box {
    max-width: 700px;
    margin: 0 auto 20px;
}

/* Logo */
.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo svg {
    display: block;
    margin: 0 auto 16px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.logo-small {
    text-align: center;
    margin-bottom: 30px;
}

.logo-small svg {
    display: block;
    margin: 0 auto 12px;
}

.logo-small h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Tagline */
.tagline {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 30px;
}

/* Forms */
.login-form, .contact-form {
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--surface);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.form-group select {
    cursor: pointer;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox input[type="checkbox"] {
    margin-right: 8px;
    cursor: pointer;
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Buttons */
.btn-primary, .btn-secondary {
    width: 100%;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--background);
    border-color: var(--secondary-color);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Messages */
.error-message, .success-message {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin-top: 16px;
    animation: slideDown 0.3s ease;
}

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

.error-message {
    background: #FEE;
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.success-message {
    background: #EFE;
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider span {
    padding: 0 16px;
}

/* Alternative Login */
.alternative-login {
    margin-top: 16px;
}

/* Content Sections */
.content-section {
    margin-bottom: 30px;
}

.content-section h2 {
    color: var(--text-primary);
    font-size: 20px;
    margin-bottom: 12px;
}

.content-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

/* Contact Info */
.contact-info {
    background: var(--background);
    padding: 20px;
    border-radius: 8px;
    margin-top: 30px;
}

.contact-info h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.contact-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* CTA Section */
.cta-section {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.cta-section .btn-primary,
.cta-section .btn-secondary {
    flex: 1;
}

/* Footer */
.footer {
    text-align: center;
    color: white;
    font-size: 13px;
}

.footer p {
    margin-bottom: 12px;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-nav a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-nav a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .login-box, .content-box {
        padding: 30px 24px;
    }
    
    .logo h1, .logo-small h1 {
        font-size: 24px;
    }
    
    .cta-section {
        flex-direction: column;
    }
    
    .content-box {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .login-box, .content-box {
        padding: 24px 20px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}