/* Authentication Pages Styles */
/* Location: /static/assessments/auth/styles.css */
/* Purpose: Shared styles for login, register, and password reset pages */
/* Why: Provides consistent styling across authentication interfaces */
/* RELEVANT FILES: static/assessments/auth/login.html, static/assessments/auth/register.html */

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

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;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.auth-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 450px;
}

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

.auth-header h1 {
    color: #2d3748;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    color: #718096;
    font-size: 14px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #2d3748;
    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.form-group input.error {
    border-color: #e53e3e;
}

.error-message {
    color: #e53e3e;
    font-size: 14px;
    margin-top: 4px;
    display: none;
}

.error-message.show {
    display: block;
}

.success-message {
    background: #c6f6d5;
    border: 1px solid #9ae6b4;
    color: #22543d;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.success-message.show {
    display: block;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: #cbd5e0;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #e2e8f0;
    color: #2d3748;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.auth-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: #718096;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.hidden {
    display: none;
}