/**
 * Humbrella Design System - Components
 * Version: 1.0
 * 
 * Reusable UI components: buttons, cards, forms, badges, alerts, etc.
 * Requires: variables.css, base.css
 */

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-2xl);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Button sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-lg);
}

.btn-xl {
    padding: var(--space-6) var(--space-10);
    font-size: var(--text-xl);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Primary button (Magenta) */
.btn-primary {
    background: var(--color-magenta);
    color: var(--color-white);
    box-shadow: var(--shadow-magenta);
}

.btn-primary:hover {
    background: var(--color-primary);
    box-shadow: var(--shadow-primary);
}

/* Secondary button (Teal) */
.btn-secondary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-primary);
}

.btn-secondary:hover {
    background: var(--color-magenta);
    box-shadow: var(--shadow-magenta);
}

/* Gradient button */
.btn-gradient {
    background: var(--gradient-brand);
    color: var(--color-white);
    box-shadow: var(--shadow-primary);
}

.btn-gradient:hover {
    background: var(--gradient-brand-reverse);
    box-shadow: var(--shadow-lg);
}

/* Gold button */
.btn-gold {
    background: var(--gradient-gold);
    color: var(--color-text);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    filter: brightness(1.1);
}

/* Outline buttons */
.btn-outline {
    background: transparent;
    border: var(--border-width-2) solid var(--color-primary);
    color: var(--color-primary);
}

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

.btn-outline-light {
    background: transparent;
    border: var(--border-width-2) solid var(--color-white);
    color: var(--color-white);
}

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

/* Ghost button */
.btn-ghost {
    background: transparent;
    color: var(--color-primary);
}

.btn-ghost:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
}

/* Free/special button */
.btn-free {
    background: var(--gradient-gold);
    color: var(--color-text);
    font-weight: var(--font-bold);
}

/* =========================================
   CARDS
   ========================================= */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

.card-body {
    padding: var(--space-6);
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: var(--color-cream);
}

.card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.card-image-square {
    aspect-ratio: 1 / 1;
}

/* Glass card (for gradient backgrounds) */
.card-glass {
    background: var(--glass-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
}

.card-glass:hover {
    background: var(--glass-medium);
}

/* Pricing card */
.card-pricing {
    text-align: center;
    padding: var(--space-6);
}

.card-pricing.featured {
    border: var(--border-width-2) solid var(--color-gold);
    position: relative;
    overflow: visible !important;
    margin-top: 15px;
}

.card-pricing.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-gold);
    color: var(--color-text);
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    white-space: nowrap;
}

/* =========================================
   FORMS
   ========================================= */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
    font-family: var(--font-body);
    border: var(--border-width-2) solid #ecf0f1;
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--color-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background: var(--color-cream);
    color: var(--color-text-muted);
    cursor: not-allowed;
    opacity: 0.8;
}

.form-input-rounded {
    border-radius: var(--radius-2xl);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--space-1);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
}

/* =========================================
   BADGES
   ========================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

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

.badge-magenta {
    background: var(--color-magenta);
    color: var(--color-white);
}

.badge-gold {
    background: var(--color-gold);
    color: var(--color-text);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.badge-error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
}

.badge-outline {
    background: transparent;
    border: 1px solid currentColor;
}

/* =========================================
   ALERTS / MESSAGES
   ========================================= */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
    border-left: var(--border-width-4) solid;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
    border-color: var(--color-success);
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
    border-color: var(--color-error);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    border-color: var(--color-warning);
}

.alert-info {
    background: var(--color-info-bg);
    color: var(--color-info-text);
    border-color: var(--color-info);
}

/* =========================================
   AVATAR
   ========================================= */
.avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: var(--border-width-2) solid var(--color-white);
    box-shadow: var(--shadow-sm);
}

.avatar-sm { width: 32px; height: 32px; }
.avatar-lg { width: 64px; height: 64px; }
.avatar-xl { width: 96px; height: 96px; }
.avatar-2xl { width: 128px; height: 128px; }

.avatar-square {
    border-radius: var(--radius-md);
}

/* =========================================
   PHOTO WITH BADGE
   ========================================= */
.photo-badge-wrapper {
    position: relative;
    display: inline-block;
}

.photo-badge-wrapper .badge {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

/* =========================================
   FEATURE LIST
   ========================================= */
.feature-list {
    list-style: none;
    padding: 0;
    margin: var(--space-4) 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-base);
}

.feature-list li .icon {
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.feature-list li.included .icon {
    color: var(--color-success);
}

.feature-list li.not-included {
    opacity: 0.5;
}

/* =========================================
   PRICE DISPLAY
   ========================================= */
.price-display {
    text-align: center;
    margin: var(--space-4) 0;
}

.price-amount {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-white);
}

.price-amount.free {
    color: var(--color-gold);
}

.price-period {
    font-size: var(--text-sm);
    color: var(--color-gold-light);
}

.price-note {
    font-size: var(--text-xs);
    color: var(--color-gold-light);
    margin-top: var(--space-1);
}

/* =========================================
   TRUST SIGNALS
   ========================================= */
.trust-signals {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6);
    margin: var(--space-8) 0;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.trust-item .icon {
    font-size: var(--text-lg);
}

/* Light variant for gradient/dark backgrounds */
.bg-gradient .trust-item,
.section-gradient .trust-item,
.trust-item.text-white {
    color: var(--color-white);
}

/* =========================================
   LOADING SPINNER
   ========================================= */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(var(--color-primary-rgb), 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--space-4) auto;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 4px;
}

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

/* =========================================
   MODAL / OVERLAY
   ========================================= */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

.modal-close {
    font-size: var(--text-2xl);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
}

/* =========================================
   DIVIDERS
   ========================================= */
.divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
    margin: var(--space-6) 0;
}

.divider-light {
    background: rgba(255, 255, 255, 0.2);
}

.divider-gold {
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

/* =========================================
   INFO BOX
   ========================================= */
.info-box {
    background: var(--color-info-bg);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    border-left: var(--border-width-4) solid var(--color-primary);
}

.info-box h3 {
    font-size: var(--text-lg);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.info-box p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

/* =========================================
   RESPONSIVE COMPONENT ADJUSTMENTS
   ========================================= */
@media (max-width: 600px) {
    .btn-lg {
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-base);
    }
    
    .card-body {
        padding: var(--space-4);
    }
    
    .trust-signals {
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
    }
    
    .modal {
        width: 95%;
    }
}