/* ========================================
   AUTHENTICATION PAGES STYLESHEET
   ======================================== */

:root {
    --color-primary-blue: #374c80;
    --color-primary-red: #ff6b7a;
    --color-dark-navy: #3d3d5c;
    --color-bg-main: #f5f5f7;
    --color-bg-card: #ffffff;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-border: #e8e8ea;
    --color-success: #52c41a;
    --color-error: #ff4d4f;
    
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --font-display: 'DM Serif Display', serif;
    --font-body: 'Archivo', sans-serif;
    
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Animated Background */
.auth-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.05;
}

.auth-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 107, 122, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(55, 76, 128, 0.1) 0%, transparent 50%);
    animation: patternMove 20s ease-in-out infinite;
}

@keyframes patternMove {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, 20px) scale(1.1); }
}

/* Content */
.auth-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    padding: 2rem;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 3rem 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

/* Logo */
.auth-logo {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-icon {
    display: inline-flex;
    gap: 6px;
    margin-bottom: 1rem;
}

.icon-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.icon-dot.blue {
    background: var(--color-primary-blue);
    animation-delay: 0.1s;
}

.icon-dot.red {
    background: var(--color-primary-red);
    animation-delay: 0.2s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    color: var(--color-text-primary);
    letter-spacing: -0.5px;
    margin: 0;
}

/* Form */
.auth-form {
    animation: fadeIn 0.4s ease-out;
}

.auth-form.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.form-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.3px;
}

.form-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    font-size: 14px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 14px;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 15px;
    font-family: var(--font-body);
    color: var(--color-text-primary);
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-primary-blue);
    box-shadow: 0 0 0 3px rgba(55, 76, 128, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input.error {
    border-color: var(--color-error);
}

.code-input {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.5rem;
    font-family: 'Courier New', monospace;
}

.form-error {
    display: block;
    color: var(--color-error);
    font-size: 13px;
    margin-top: 0.5rem;
    min-height: 18px;
}

/* Form Options */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 14px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--color-text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary-blue);
}

.forgot-link {
    color: var(--color-primary-red);
    text-decoration: none;
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.forgot-link:hover {
    opacity: 0.7;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 1rem;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-body);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-blue) 0%, var(--color-dark-navy) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(55, 76, 128, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(55, 76, 128, 0.4);
}

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

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

.btn-text {
    transition: opacity var(--transition-fast);
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn-loader {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-loader.hidden {
    display: none;
}

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

.link-button {
    background: none;
    border: none;
    color: var(--color-primary-red);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem;
    transition: opacity var(--transition-fast);
    font-family: var(--font-body);
}

.link-button:hover {
    opacity: 0.7;
    text-decoration: underline;
}

/* MFA Actions */
.mfa-actions {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

/* Alert */
.form-alert {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.5;
    animation: slideDown 0.3s ease-out;
}

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

.form-alert.hidden {
    display: none;
}

.form-alert.success {
    background: rgba(82, 196, 26, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.form-alert.error {
    background: rgba(255, 77, 79, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.form-alert.info {
    background: rgba(55, 76, 128, 0.1);
    border: 1px solid var(--color-primary-blue);
    color: var(--color-primary-blue);
}

/* Footer */
.auth-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--color-text-secondary);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 640px) {
    .auth-content {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .logo-text {
        font-size: 24px;
    }
    
    .form-title {
        font-size: 20px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 375px) {
    .auth-card {
        padding: 1.5rem 1rem;
    }
    
    .code-input {
        font-size: 20px;
        letter-spacing: 0.3rem;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    /* Can be implemented if needed */
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Additional utility classes */
.hidden {
    display: none !important;
}