/**
 * ============================================
 * PERFIL | PAINEL MÁGICO - COMPONENTS
 * ============================================
 * 
 * Biblioteca de componentes reutilizáveis
 * Baseado no Design System
 * 
 * Componentes inclusos:
 * - Buttons (6 variantes)
 * - Cards (Profile, Link, Portfolio)
 * - Forms (Inputs, Textareas, Selects)
 * - Badges & Tags
 * - Avatars
 * - Social Icons
 * - Modals
 * - Alerts & Toasts
 * 
 * @version 0.4.0
 */

/* ============================================
   BUTTONS - Primary UI Elements
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-none);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-out);
    user-select: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Variants */

/* Primary - Main CTA */
.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-primary);
}

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

/* Secondary - Less prominent */
.btn-secondary {
    background: var(--color-secondary-500);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-secondary-600);
    color: var(--color-white);
}

/* Outline - Bordered */
.btn-outline {
    background: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-500);
}

.btn-outline:hover {
    background: var(--color-primary-500);
    color: var(--color-white);
    border-color: var(--color-primary-500);
}

/* Ghost - Minimal */
.btn-ghost {
    background: transparent;
    color: var(--color-primary-600);
}

.btn-ghost:hover {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
}

/* White - For dark backgrounds */
.btn-white {
    background: var(--color-white);
    color: var(--color-primary-600);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background: var(--color-gray-50);
    color: var(--color-primary-700);
}

/* Danger - Destructive actions */
.btn-danger {
    background: var(--color-danger-500);
    color: var(--color-white);
}

.btn-danger:hover {
    background: var(--color-danger-600);
    color: var(--color-white);
}

/* Button Sizes */

.btn-xs {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-base);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--spacing-5) var(--spacing-10);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

/* Button Modifiers */

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

.btn-icon-only {
    padding: var(--spacing-3);
    aspect-ratio: 1/1;
}

.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: btn-spin 0.6s linear infinite;
}

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

/* ============================================
   CARDS - Content Containers
   ============================================ */

.card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base) var(--ease-out);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Card Variants */

/* Profile Card - User summary */
.card-profile {
    text-align: center;
    padding: var(--spacing-8);
}

.card-profile .profile-avatar {
    margin: 0 auto var(--spacing-4);
}

.card-profile .profile-name {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.card-profile .profile-bio {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
}

/* Link Card - Clickable link button */
.card-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base) var(--ease-out);
    cursor: pointer;
    min-height: var(--link-card-height-base);
}

.card-link:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-md);
    background: var(--color-primary-50);
}

.card-link-icon {
    flex-shrink: 0;
    width: var(--icon-md);
    height: var(--icon-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--icon-base);
    color: var(--color-primary-500);
}

.card-link-content {
    flex: 1;
    min-width: 0;
}

.card-link-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 0;
}

.card-link-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-1);
}

.card-link-arrow {
    flex-shrink: 0;
    color: var(--color-gray-400);
    transition: transform var(--transition-fast) var(--ease-out);
}

.card-link:hover .card-link-arrow {
    transform: translateX(4px);
    color: var(--color-primary-500);
}

/* Portfolio Card - Project showcase */
.card-portfolio {
    overflow: hidden;
    padding: 0;
}

.card-portfolio-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform var(--transition-medium) var(--ease-out);
}

.card-portfolio:hover .card-portfolio-image {
    transform: scale(1.05);
}

.card-portfolio-content {
    padding: var(--spacing-5);
}

.card-portfolio-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.card-portfolio-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.card-portfolio-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    gap: var(--spacing-2);
}

/* ============================================
   FORMS - Input Elements
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.form-label-required::after {
    content: '*';
    color: var(--color-danger-500);
    margin-left: var(--spacing-1);
}

.form-input,
.form-textarea,
.form-select {
    display: block;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base) var(--ease-out);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--color-gray-50);
}

.form-input.is-invalid,
.form-textarea.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-danger-500);
}

.form-input.is-valid,
.form-textarea.is-valid,
.form-select.is-valid {
    border-color: var(--color-success-500);
}

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

.form-help {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-2);
}

.form-error {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-danger-500);
    margin-top: var(--spacing-2);
}

/* File Upload */
.form-file-upload {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.form-file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.form-file-label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    background: var(--color-primary-500);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base) var(--ease-out);
}

.form-file-label:hover {
    background: var(--color-primary-600);
}

/* ============================================
   AVATARS - User Images
   ============================================ */

.avatar {
    display: inline-block;
    position: relative;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Avatar Sizes */
.avatar-xs { width: var(--avatar-xs); height: var(--avatar-xs); }
.avatar-sm { width: var(--avatar-sm); height: var(--avatar-sm); }
.avatar-base { width: var(--avatar-base); height: var(--avatar-base); }
.avatar-md { width: var(--avatar-md); height: var(--avatar-md); }
.avatar-lg { width: var(--avatar-lg); height: var(--avatar-lg); }
.avatar-xl { width: var(--avatar-xl); height: var(--avatar-xl); }
.avatar-2xl { width: var(--avatar-2xl); height: var(--avatar-2xl); }

/* Avatar with Status */
.avatar-status {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 25%;
    height: 25%;
    border-radius: 50%;
    border: 2px solid var(--color-bg-primary);
}

.avatar-status-online { background: var(--color-success-500); }
.avatar-status-offline { background: var(--color-gray-400); }
.avatar-status-busy { background: var(--color-danger-500); }
.avatar-status-away { background: var(--color-warning-500); }

/* Avatar Placeholder */
.avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
}

/* ============================================
   BADGES & TAGS
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-none);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

/* Badge Variants */
.badge-primary {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.badge-success {
    background: var(--color-success-100);
    color: var(--color-success-700);
}

.badge-warning {
    background: var(--color-warning-100);
    color: var(--color-warning-700);
}

.badge-danger {
    background: var(--color-danger-100);
    color: var(--color-danger-700);
}

.badge-info {
    background: var(--color-info-100);
    color: var(--color-info-700);
}

.badge-gray {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

/* Badge with dot */
.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ============================================
   SOCIAL ICONS - Brand Links
   ============================================ */

.social-icons {
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--icon-xl);
    height: var(--icon-xl);
    border-radius: var(--radius-lg);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: var(--icon-base);
    text-decoration: none;
    transition: all var(--transition-base) var(--ease-out);
}

.social-icon:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Social Icons - Brand Colors */
.social-icon-instagram:hover {
    background: linear-gradient(135deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
    color: white;
}

.social-icon-twitter:hover {
    background: #1DA1F2;
    color: white;
}

.social-icon-linkedin:hover {
    background: #0077B5;
    color: white;
}

.social-icon-github:hover {
    background: #333;
    color: white;
}

.social-icon-youtube:hover {
    background: #FF0000;
    color: white;
}

.social-icon-tiktok:hover {
    background: #000;
    color: white;
}

.social-icon-whatsapp:hover {
    background: #25D366;
    color: white;
}

.social-icon-email:hover {
    background: var(--color-primary-500);
    color: white;
}

/* ============================================
   ALERTS - Notifications
   ============================================ */

.alert {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    display: flex;
    gap: var(--spacing-3);
    align-items: flex-start;
}

.alert-icon {
    flex-shrink: 0;
    font-size: var(--icon-base);
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-1);
}

.alert-message {
    font-size: var(--font-size-sm);
}

/* Alert Variants */
.alert-success {
    background: var(--color-success-50);
    border-color: var(--color-success-500);
    color: var(--color-success-700);
}

.alert-warning {
    background: var(--color-warning-50);
    border-color: var(--color-warning-500);
    color: var(--color-warning-700);
}

.alert-danger {
    background: var(--color-danger-50);
    border-color: var(--color-danger-500);
    color: var(--color-danger-700);
}

.alert-info {
    background: var(--color-info-50);
    border-color: var(--color-info-500);
    color: var(--color-info-700);
}

/* ============================================
   MODALS - Overlays
   ============================================ */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base) var(--ease-out);
}

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

.modal {
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-medium) var(--ease-out);
}

.modal-backdrop.show .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

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

.modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
}

/* ============================================
   UTILITIES - Helper Classes
   ============================================ */

/* Spacing */
.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: var(--spacing-2) !important; }
.mt-4 { margin-top: var(--spacing-4) !important; }
.mt-6 { margin-top: var(--spacing-6) !important; }
.mt-8 { margin-top: var(--spacing-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--spacing-2) !important; }
.mb-4 { margin-bottom: var(--spacing-4) !important; }
.mb-6 { margin-bottom: var(--spacing-6) !important; }
.mb-8 { margin-bottom: var(--spacing-8) !important; }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary-500); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: var(--color-white); }

.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }

/* Flexbox */
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Responsive Utilities */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .hide-desktop { display: none !important; }
}