/* ============================================
   WEBCREATOR - REUSABLE UI COMPONENTS
   ============================================ */

/* ── Container ── */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: 1;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

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

/* Variants */
.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--text-tertiary);
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #16a34a;
    box-shadow: 0 0 20px rgba(34,197,94,0.3);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-primary-light);
}

/* Icon-only button */
.btn-icon {
    padding: var(--space-2);
    width: 36px;
    height: 36px;
}

/* Full width */
.btn-block {
    width: 100%;
}

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

.btn-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

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

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

.form-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

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

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.card-hover:hover {
    border-color: var(--text-tertiary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.card-body {
    margin-bottom: var(--space-4);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color);
}

/* Stat Card */
.stat-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.stat-card .stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.stat-card .stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.stat-card .stat-change {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}

.stat-card .stat-change.positive { color: var(--color-success); }
.stat-card .stat-change.negative { color: var(--color-danger); }

/* ============================================
   BADGES / TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-new {
    background: var(--color-info-light);
    color: var(--color-info);
}

.badge-contacted {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.badge-qualified {
    background: rgba(139,92,246,0.1);
    color: #a78bfa;
}

.badge-converted {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-lost {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

/* ============================================
   TABLE
   ============================================ */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    text-align: left;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
}

.data-table thead th:hover {
    color: var(--text-primary);
}

.data-table tbody td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-light);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(var(--color-primary-rgb), 0.03);
}

.data-table tbody td:first-child {
    color: var(--text-primary);
    font-weight: var(--font-medium);
}

/* ============================================
   MODAL
   ============================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
}

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

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

.modal-header h3 {
    font-size: var(--text-lg);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    font-size: 1.25rem;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

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

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 320px;
    max-width: 440px;
    animation: slideIn 0.3s ease forwards;
    font-size: var(--text-sm);
}

.toast.toast-success { border-left: 3px solid var(--color-success); }
.toast.toast-error { border-left: 3px solid var(--color-danger); }
.toast.toast-warning { border-left: 3px solid var(--color-warning); }
.toast.toast-info { border-left: 3px solid var(--color-info); }

.toast.removing {
    animation: slideOut 0.3s ease forwards;
}

.toast-close {
    margin-left: auto;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 1rem;
    transition: color var(--transition-fast);
}

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

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ============================================
   LOADING / SKELETON
   ============================================ */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.spinner-sm { width: 18px; height: 18px; border-width: 2px; }
.spinner-lg { width: 48px; height: 48px; border-width: 4px; }

.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    margin-top: var(--space-6);
}

.pagination button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination button:hover:not(:disabled) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.pagination button.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.pagination button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-8);
    text-align: center;
}

.empty-state .icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--text-tertiary);
    max-width: 400px;
}

/* ============================================
   DROPDOWN MENU
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    padding: var(--space-1);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-1) 0;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.hidden { display: none !important; }