/* ==========================================================================
   CaloriPal - Auth Pages Stylesheet
   ========================================================================== */

/* ==========================================================================
   Landing Page
   ========================================================================== */

.landing-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.landing-header {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.landing-header .logo h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.landing-header .tagline {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

.landing-main {
    flex: 1;
    display: flex;
    align-items: center;
    padding: var(--spacing-lg) 0;
}

.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.feature-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.feature-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.feature-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--text-secondary);
    margin: 0;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.cta-buttons .btn {
    min-width: 160px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.landing-footer {
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.landing-footer p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   Auth Container (Login & Register)
   ========================================================================== */

.auth-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #e8ecff 0%, #f0e8ff 25%, #fde8ff 50%, #e8f6ff 75%, #e0faff 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.auth-card {
    background-color: var(--card-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 480px;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.auth-header h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.auth-header p {
    color: var(--text-secondary);
    margin: 0;
}

/* ==========================================================================
   Auth Form
   ========================================================================== */

.auth-form {
    margin-bottom: var(--spacing-lg);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-form input {
    height: 48px;
}

/* Password Strength Indicator */
.password-strength {
    margin-top: var(--spacing-xs);
    height: 4px;
    background-color: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0%;
    transition: all var(--transition-base);
}

.strength-bar.strength-weak {
    background-color: var(--danger-color);
}

.strength-bar.strength-medium {
    background-color: var(--warning-color);
}

.strength-bar.strength-strong {
    background-color: var(--success-color);
}

/* ==========================================================================
   Consent Section
   ========================================================================== */

.consent-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background-color: var(--background-color);
    border-radius: var(--radius-md);
}

.consent-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.consent-section .checkbox-group {
    margin-bottom: var(--spacing-md);
}

.consent-notice {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: #E3F2FD;
    border-left: 4px solid var(--info-color);
    border-radius: var(--radius-sm);
}

.consent-notice p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.consent-notice strong {
    color: var(--info-color);
}

/* ==========================================================================
   Auth Footer
   ========================================================================== */

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.link-primary {
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
}

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

.link-secondary {
    color: var(--text-secondary);
}

.link-secondary:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   Package Selection
   ========================================================================== */

.package-selection {
    margin: var(--spacing-xl) 0;
}

.package-selection h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Billing Toggle - Old styles removed, see Modern Package Design section */

/* Billing Switch */
.billing-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.billing-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.billing-slider {
    position: relative;
    cursor: pointer;
    width: 56px;
    height: 28px;
    background-color: #e0e0e0;
    transition: all 0.3s ease;
    border-radius: 28px;
}

.billing-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: all 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.billing-switch input:checked + .billing-slider {
    background-color: var(--primary-color);
}

.billing-switch input:checked + .billing-slider:before {
    transform: translateX(28px);
}

/* Savings Badge */
.savings-badge {
    background: linear-gradient(135deg, #4caf50, #45a049);
    color: white;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transform: scale(0.9) translateX(-10px);
    transition: all 0.3s ease;
    position: absolute;
    right: -90px;
}

.billing-switch input:checked ~ .savings-badge {
    opacity: 1;
    transform: scale(1) translateX(0);
}

/* Package Cards */
.package-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.package-card {
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    background-color: var(--card-background);
    cursor: pointer;
    transition: all var(--transition-base);
}

.package-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.package-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.package-card input[type="radio"]:checked + .package-label {
    border-color: var(--primary-color);
}

.package-card input[type="radio"]:checked ~ .package-label::before {
    content: '✓';
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 28px;
    height: 28px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
}

.package-label {
    position: relative;
    display: block;
    cursor: pointer;
}

/* Recommended Badge */
.package-recommended {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.15);
}

.package-recommended:hover {
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.25);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-sm);
}

/* Package Header */
.package-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.package-header h4 {
    font-size: var(--font-size-xl);
    margin: 0;
    color: var(--text-primary);
}

.package-price {
    text-align: right;
}

.price-amount {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    display: block;
    line-height: 1;
}

.price-period {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    display: block;
    margin-top: 4px;
}

/* Package Trial */
.package-trial {
    background: linear-gradient(135deg, #FFE5B4, #FFD700);
    color: #8B4513;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Package Features */
.package-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.package-features li {
    padding: 10px 0;
    color: var(--text-primary);
    font-size: 13px;
    line-height: 1.5;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.package-features li:first-child {
    padding-top: 0;
}

.package-features li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* ==========================================================================
   Modern Package Design
   ========================================================================== */

/* Billing Toggle Container */
.billing-toggle-container {
    text-align: center;
    margin-bottom: 32px;
}

/* Billing Toggle - inline-flex to stay centered */
.billing-toggle {
    display: inline-flex;
    align-items: center;
    gap: 16px;
}

/* Toggle Labels */
.toggle-label {
    font-size: 15px;
    color: #666;
    font-weight: 500;
    white-space: nowrap;
}

/* iOS-Style Billing Switch */
.billing-switch-ios {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.billing-switch-ios input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.billing-slider-ios {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #EEE;
    transition: all 0.25s ease-in-out;
    border-radius: 30px;
}

.slider-knob {
    position: absolute;
    content: "";
    height: 24px;
    width: 24px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: all 0.25s ease-in-out;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.billing-switch-ios input:checked + .billing-slider-ios {
    background-color: #4CAF50;
}

.billing-switch-ios input:checked + .billing-slider-ios .slider-knob {
    transform: translateX(30px);
}

/* Savings Badge Modern */
.savings-badge-modern {
    color: #4CAF50;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    margin-left: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.billing-switch-ios input:checked ~ .savings-badge-modern {
    opacity: 1;
}

/* Modern Package Cards */
.package-card-modern {
    position: relative;
    border: 2px solid #E0E0E0;
    border-radius: 16px;
    padding: 24px 24px 28px 24px;
    background-color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.package-card-modern:hover {
    border-color: #4CAF50;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.package-card-modern.selected {
    border-color: #4CAF50;
    border-width: 2px;
    box-shadow: 0 4px 16px rgba(76, 175, 80, 0.2);
}

/* Package Header Modern */
.package-header-modern {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.package-name {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin: 0;
}

/* Package Selector (Checkbox + Text) */
.package-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.selector-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid #ccc;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    background-color: white;
}

.selector-checkbox .checkbox-mark {
    opacity: 0;
    color: white;
    font-size: 14px;
    font-weight: bold;
    transition: opacity 0.25s ease;
}

.package-card-modern.selected .selector-checkbox {
    background-color: #4CAF50;
    border-color: #4CAF50;
}

.package-card-modern.selected .selector-checkbox .checkbox-mark {
    opacity: 1;
}

.selector-text {
    font-size: 11px;
    color: #666;
    font-weight: 500;
    transition: color 0.25s ease;
}

.package-card-modern.selected .selector-text {
    color: #4CAF50;
}

/* Package Price Center */
.package-price-center {
    text-align: center;
    margin: 16px 0 20px 0;
}

.price-amount-large {
    font-size: 48px;
    font-weight: 700;
    color: #4CAF50;
    line-height: 1;
}

.price-period-large {
    font-size: 18px;
    color: #666;
    margin-left: 4px;
}

/* Package Trial Modern */
.package-trial-modern {
    background: linear-gradient(135deg, #FFEB3B, #FFC107);
    color: #333;
    padding: 10px 16px;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 13px;
}

/* Package Features Modern */
.package-features-modern {
    list-style: none;
    padding: 0;
    margin: 0;
}

.package-features-modern li {
    padding: 12px 0;
    color: #333;
    font-size: 14px;
    line-height: 1.6;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.package-features-modern li:first-child {
    padding-top: 0;
}

.package-features-modern li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Recommended Badge Modern */
.recommended-badge-modern {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

/* Trial Info Box */
.trial-info-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: #E3F2FD;
    border-left: 4px solid var(--info-color);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

.info-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-content p {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.info-content p:last-child {
    margin-bottom: 0;
}

.info-small {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .landing-header .logo h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .features {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .auth-card {
        padding: var(--spacing-lg);
        max-width: 100%;
    }

    .package-cards {
        grid-template-columns: 1fr;
    }

    .billing-toggle {
        flex-wrap: wrap;
    }

    /* Modern Package Responsive */
    .package-card-modern {
        padding: 24px 20px;
    }

    .price-amount-large {
        font-size: 36px;
    }

    .price-period-large {
        font-size: 16px;
    }

    .package-selector {
        position: absolute;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        flex-direction: row;
        gap: 8px;
    }

    .package-header-modern {
        margin-bottom: 8px;
        justify-content: center;
    }

    .package-price-center {
        margin: 12px 0 16px 0;
    }

    .package-card-modern {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: var(--spacing-md);
    }

    .feature-icon {
        font-size: 2.5rem;
    }
}