/* Modern Auth Popup System - Conflict-Free Styles */
/* Uses 'modern-' prefix to prevent conflicts with existing styles */

:root {
    --modern-primary: #667eea;
    --modern-primary-dark: #5a67d8;
    --modern-secondary: #764ba2;
    --modern-success: #48bb78;
    --modern-error: #f56565;
    --modern-warning: #ed8936;
    --modern-info: #4299e1;
    --modern-text-primary: #2d3748;
    --modern-text-secondary: #718096;
    --modern-bg-primary: #ffffff;
    --modern-bg-secondary: #f7fafc;
    --modern-border: #e2e8f0;
    --modern-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --modern-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --modern-radius: 12px;
    --modern-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset for modern auth elements */
.modern-auth-overlay *,
.modern-user-profile * {
    box-sizing: border-box;
}

/* Overlay */
.modern-auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: var(--modern-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modern-auth-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Container */
.modern-auth-container {
    width: 100%;
    max-width: 420px;
    position: relative;
}

/* Modal */
.modern-auth-modal {
    background: var(--modern-bg-primary);
    border-radius: var(--modern-radius);
    box-shadow: var(--modern-shadow-lg);
    padding: 40px;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: var(--modern-transition);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modern-auth-overlay.active .modern-auth-modal {
    transform: scale(1) translateY(0);
}

/* Close Button */
.modern-auth-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--modern-bg-secondary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--modern-text-secondary);
    transition: var(--modern-transition);
    z-index: 10;
}

.modern-auth-close:hover {
    background: var(--modern-error);
    color: white;
    transform: scale(1.1);
}

/* Header */
.modern-auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.modern-auth-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--modern-primary) 0%, var(--modern-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: white;
    box-shadow: var(--modern-shadow);
}

.modern-auth-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--modern-text-primary);
    margin: 0 0 8px 0;
    line-height: 1.2;
}

.modern-auth-header p {
    font-size: 16px;
    color: var(--modern-text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* Alert Messages */
.modern-auth-alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    border: 1px solid;
}

.modern-alert-success {
    background: #f0fff4;
    color: #22543d;
    border-color: var(--modern-success);
}

.modern-alert-error {
    background: #fed7d7;
    color: #742a2a;
    border-color: var(--modern-error);
}

.modern-alert-warning {
    background: #fefcbf;
    color: #744210;
    border-color: var(--modern-warning);
}

.modern-alert-info {
    background: #ebf8ff;
    color: #2a4365;
    border-color: var(--modern-info);
}

/* Forms */
.modern-auth-form {
    display: none;
}

.modern-auth-form.active {
    display: block;
}

/* Input Groups */
.modern-input-group {
    margin-bottom: 20px;
}

.modern-input-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--modern-text-primary);
    margin-bottom: 8px;
}

.modern-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.modern-input-wrapper i {
    position: absolute;
    left: 16px;
    color: var(--modern-text-secondary);
    font-size: 16px;
    z-index: 2;
}

.modern-input-wrapper input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    border: 2px solid var(--modern-border);
    border-radius: 8px;
    font-size: 16px;
    color: var(--modern-text-primary);
    background: var(--modern-bg-primary);
    transition: var(--modern-transition);
    outline: none;
}

.modern-input-wrapper input:focus {
    border-color: var(--modern-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.modern-input-wrapper input::placeholder {
    color: var(--modern-text-secondary);
}

/* Password Toggle */
.modern-password-toggle {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--modern-text-secondary);
    font-size: 16px;
    padding: 0;
    z-index: 2;
    transition: var(--modern-transition);
}

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

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

/* Custom Checkbox */
.modern-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.modern-checkbox input {
    display: none;
}

.modern-checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--modern-border);
    border-radius: 4px;
    margin-right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--modern-transition);
}

.modern-checkbox input:checked + .modern-checkmark {
    background: var(--modern-primary);
    border-color: var(--modern-primary);
}

.modern-checkbox input:checked + .modern-checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Links */
.modern-link {
    color: var(--modern-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--modern-transition);
}

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

/* Buttons */
.modern-auth-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--modern-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.modern-btn-primary {
    background: linear-gradient(135deg, var(--modern-primary) 0%, var(--modern-secondary) 100%);
    color: white;
    box-shadow: var(--modern-shadow);
}

.modern-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
}

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

.modern-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

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

/* Form Footer */
.modern-form-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--modern-text-secondary);
}

/* OTP Specific Styles */
.modern-otp-info {
    text-align: center;
    margin-bottom: 24px;
}

.modern-otp-info i {
    font-size: 48px;
    color: var(--modern-primary);
    margin-bottom: 16px;
}

.modern-otp-info p {
    font-size: 16px;
    color: var(--modern-text-secondary);
    margin: 0 0 8px 0;
}

.modern-otp-email {
    font-weight: 600;
    color: var(--modern-primary);
}

.modern-otp-inputs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 20px;
}

.modern-otp-input {
    width: 48px !important;
    height: 48px;
    padding: 0 !important;
    text-align: center;
    font-size: 20px !important;
    font-weight: 600;
    border: 2px solid var(--modern-border) !important;
    border-radius: 8px;
    background: var(--modern-bg-primary);
    transition: var(--modern-transition);
}

.modern-otp-input:focus {
    border-color: var(--modern-primary) !important;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.modern-otp-timer {
    text-align: center;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--modern-text-secondary);
}

/* User Profile Dropdown */
.modern-user-profile {
    position: relative;
    display: inline-block;
}

.modern-user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 44px;
    height: 44px;
    padding: 0 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 25px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    white-space: nowrap;
}

.modern-user-avatar:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.modern-user-avatar:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.modern-avatar-text {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
}

.modern-user-avatar i {
    font-size: 12px;
    opacity: 0.8;
}

/* User Menu */
.modern-user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 12px;
    background: var(--modern-bg-primary);
    border-radius: var(--modern-radius);
    box-shadow: var(--modern-shadow-lg);
    border: 1px solid var(--modern-border);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--modern-transition);
    z-index: 1000;
}

.modern-user-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.modern-user-info {
    padding: 20px;
    border-bottom: 1px solid var(--modern-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.modern-user-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--modern-primary) 0%, var(--modern-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 18px;
}

.modern-user-details h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--modern-text-primary);
}

.modern-user-details p {
    margin: 4px 0 0 0;
    font-size: 14px;
    color: var(--modern-text-secondary);
}

.modern-menu-items {
    padding: 8px 0;
}

.modern-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--modern-text-primary);
    text-decoration: none;
    transition: var(--modern-transition);
    font-size: 14px;
    font-weight: 500;
}

.modern-menu-item:hover {
    background: var(--modern-bg-secondary);
    color: var(--modern-primary);
}

.modern-menu-item i {
    width: 20px;
    text-align: center;
    color: var(--modern-text-secondary);
}

.modern-menu-item:hover i {
    color: var(--modern-primary);
}

.modern-menu-divider {
    height: 1px;
    background: var(--modern-border);
    margin: 8px 0;
}

.modern-logout {
    color: var(--modern-error) !important;
}

.modern-logout:hover {
    background: #fed7d7 !important;
    color: var(--modern-error) !important;
}

.modern-logout i {
    color: var(--modern-error) !important;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .modern-auth-modal {
        padding: 30px 20px;
        margin: 10px;
        max-height: 95vh;
    }
    
    .modern-auth-header h2 {
        font-size: 24px;
    }
    
    .modern-input-wrapper input {
        padding: 14px 14px 14px 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .modern-otp-inputs {
        gap: 8px;
    }
    
    .modern-otp-input {
        width: 40px !important;
        height: 40px;
        font-size: 18px !important;
    }
    
    .modern-user-menu {
        min-width: 250px;
        right: -10px;
    }
    
    .modern-user-avatar {
        padding: 6px 12px;
        font-size: 13px;
        min-width: 40px;
        height: 40px;
    }
    
    .modern-avatar-text {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .modern-auth-container {
        padding: 10px;
    }
    
    .modern-auth-modal {
        padding: 20px 15px;
    }
    
    .modern-form-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .modern-otp-inputs {
        gap: 6px;
    }
    
    .modern-otp-input {
        width: 36px !important;
        height: 36px;
        font-size: 16px !important;
    }
}

/* Animation Classes */
@keyframes modernFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modernSlideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.modern-fade-in {
    animation: modernFadeIn 0.3s ease-out;
}

.modern-slide-in {
    animation: modernSlideIn 0.3s ease-out;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --modern-border: #000000;
        --modern-text-secondary: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .modern-auth-overlay,
    .modern-auth-modal,
    .modern-auth-btn,
    .modern-user-avatar,
    .modern-user-menu,
    .modern-menu-item {
        transition: none;
    }
}

/* Focus styles for accessibility */
.modern-auth-btn:focus,
.modern-input-wrapper input:focus,
.modern-user-avatar:focus,
.modern-menu-item:focus {
    outline: 2px solid var(--modern-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .modern-auth-overlay,
    .modern-user-profile {
        display: none !important;
    }
}