/* kiara-components.css — Componentes UI reutilizables */

/* ── Botones ──────────────────────────────────────────────── */
.k-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1.125rem;border:1.5px solid transparent;border-radius:var(--k-r);font-weight:500;font-size:.875rem;cursor:pointer;transition:all var(--k-t);white-space:nowrap;line-height:1.4}
.k-btn:disabled{opacity:.5;cursor:not-allowed}
.k-btn svg,.k-btn-icon svg{width:15px;height:15px;flex-shrink:0}
.k-btn-primary{background:var(--k-blue-500);color:#fff;border-color:var(--k-blue-500)}
.k-btn-primary:hover:not(:disabled){background:var(--k-blue-700);border-color:var(--k-blue-700)}
.k-btn-secondary{background:var(--k-surface);color:var(--k-gray-700);border-color:var(--k-border)}
.k-btn-secondary:hover:not(:disabled){background:var(--k-gray-100)}
.k-btn-danger{background:var(--k-red);color:#fff;border-color:var(--k-red)}
.k-btn-danger:hover:not(:disabled){background:#dc2626}
.k-btn-ghost{background:transparent;color:var(--k-gray-600);border-color:transparent}
.k-btn-ghost:hover:not(:disabled){background:var(--k-gray-100);color:var(--k-gray-900)}
.k-btn-success{background:var(--k-green);color:#fff;border-color:var(--k-green)}
.k-btn-sm{padding:.325rem .75rem;font-size:.75rem}
.k-btn-lg{padding:.75rem 1.5rem;font-size:1rem}
.k-btn-icon{padding:.5rem;border-radius:var(--k-r);aspect-ratio:1;justify-content:center}
.k-btn-loading::after{content:'';width:13px;height:13px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:k-spin .6s linear infinite;margin-left:.5rem}

/* ── Forms ────────────────────────────────────────────────── */
.k-form-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:1rem}
.k-label{font-size:.875rem;font-weight:500;color:var(--k-gray-700)}
.k-label .req{color:var(--k-red);margin-left:2px}
.k-input,.k-select,.k-textarea{width:100%;padding:.5625rem .875rem;border:1.5px solid var(--k-border);border-radius:var(--k-r);background:var(--k-surface);color:var(--k-gray-800);transition:border-color var(--k-t),box-shadow var(--k-t);outline:none}
.k-input:focus,.k-select:focus,.k-textarea:focus{border-color:var(--k-blue-500);box-shadow:0 0 0 3px rgba(45,91,227,.12)}
.k-input::placeholder,.k-textarea::placeholder{color:var(--k-gray-400)}
.k-input.error{border-color:var(--k-red)}
.k-input:disabled,.k-select:disabled{background:var(--k-gray-100);cursor:not-allowed}
.k-textarea{resize:vertical;min-height:88px}
.k-select{appearance:none;cursor:pointer;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='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .875rem center;padding-right:2.25rem}
.k-hint{font-size:.75rem;color:var(--k-gray-500)}
.k-form-error{font-size:.75rem;color:var(--k-red)}
.k-input-wrap{position:relative}
.k-input-wrap .k-input{padding-right:2.5rem}
.k-input-action{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--k-gray-400);padding:.25rem;border-radius:var(--k-r-sm)}

/* ── Cards ────────────────────────────────────────────────── */
.k-card{background:var(--k-surface);border:1px solid var(--k-border);border-radius:var(--k-r-lg);box-shadow:var(--k-sh-sm);overflow:hidden}
.k-card-header{padding:1.125rem 1.5rem;border-bottom:1px solid var(--k-border);display:flex;align-items:center;justify-content:space-between;gap:.75rem}
.k-card-title{font-size:.9375rem;font-weight:600;color:var(--k-gray-900);display:flex;align-items:center;gap:.5rem}
.k-card-body{padding:1.5rem}
.k-card-footer{padding:.875rem 1.5rem;border-top:1px solid var(--k-border);background:var(--k-gray-50)}
.k-card:hover{box-shadow:var(--k-sh-md)}

/* ── Stats ────────────────────────────────────────────────── */
.k-stat{background:var(--k-surface);border:1px solid var(--k-border);border-radius:var(--k-r-lg);padding:1.125rem 1.375rem;display:flex;align-items:flex-start;gap:.875rem;box-shadow:var(--k-sh-sm);transition:box-shadow var(--k-t)}
.k-stat:hover{box-shadow:var(--k-sh-md)}
.k-stat-icon{width:42px;height:42px;border-radius:var(--k-r-md);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.k-stat-icon.blue{background:var(--k-blue-50);color:var(--k-blue-600)}
.k-stat-icon.green{background:#d1fae5;color:#059669}
.k-stat-icon.amber{background:#fef3c7;color:#d97706}
.k-stat-icon.purple{background:#ede9fe;color:#7c3aed}
.k-stat-icon.red{background:#fee2e2;color:#dc2626}
.k-stat-val{font-size:1.5rem;font-weight:700;color:var(--k-gray-900)}
.k-stat-lbl{font-size:.8125rem;color:var(--k-gray-500);margin-top:2px}
.k-stat-delta{font-size:.75rem;font-weight:600;margin-top:.25rem}
.k-stat-delta.up{color:var(--k-green)}.k-stat-delta.down{color:var(--k-red)}

/* ── Badges ───────────────────────────────────────────────── */
.k-badge{display:inline-flex;align-items:center;gap:3px;padding:.2em .625em;border-radius:var(--k-r-full);font-size:.72rem;font-weight:600;line-height:1.4}
.k-badge-blue{background:var(--k-blue-100);color:#1d4ed8}
.k-badge-green{background:#d1fae5;color:#065f46}
.k-badge-amber{background:#fef3c7;color:#92400e}
.k-badge-red{background:#fee2e2;color:#991b1b}
.k-badge-gray{background:var(--k-gray-100);color:var(--k-gray-700)}
.k-badge-purple{background:#ede9fe;color:#5b21b6}

/* ── Modal ────────────────────────────────────────────────── */
.k-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(3px);z-index:var(--k-z-modal);display:flex;align-items:center;justify-content:center;padding:1rem;opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--k-t-slow), visibility var(--k-t-slow)}
.k-overlay.show{opacity:1;visibility:visible;pointer-events:auto}
.k-modal{background:var(--k-surface);border-radius:var(--k-r-xl);box-shadow:var(--k-sh-xl);width:100%;max-width:520px;transform:translateY(14px);transition:transform var(--k-t-slow)}
.k-overlay.show .k-modal{transform:translateY(0)}
.k-modal-lg{max-width:720px}.k-modal-xl{max-width:960px}
.k-modal-hd{display:flex;align-items:center;justify-content:space-between;padding:1.125rem 1.5rem;border-bottom:1px solid var(--k-border)}
.k-modal-title{font-weight:600;font-size:1.0625rem;color:var(--k-gray-900)}
.k-modal-close{background:none;border:none;cursor:pointer;color:var(--k-gray-400);padding:.25rem;border-radius:var(--k-r-sm);font-size:1.1rem;line-height:1;transition:all var(--k-t)}
.k-modal-close:hover{color:var(--k-gray-700);background:var(--k-gray-100)}
.k-modal-bd{padding:1.5rem}
.k-modal-ft{display:flex;align-items:center;justify-content:flex-end;gap:.75rem;padding:.875rem 1.5rem;border-top:1px solid var(--k-border)}

/* ── Toast ────────────────────────────────────────────────── */
#k-toasts{position:fixed;bottom:1.25rem;right:1.25rem;z-index:var(--k-z-toast);display:flex;flex-direction:column;gap:.4rem;pointer-events:none}
.k-toast{display:flex;align-items:flex-start;gap:.625rem;padding:.75rem .9375rem;background:var(--k-gray-900);color:#fff;border-radius:var(--k-r-md);box-shadow:var(--k-sh-xl);font-size:.875rem;min-width:240px;max-width:360px;pointer-events:all;animation:k-slide-in .22s ease;border-left:3px solid var(--k-gray-600)}
.k-toast.success{border-left-color:var(--k-green)}.k-toast.error{border-left-color:var(--k-red)}
.k-toast.warning{border-left-color:var(--k-amber)}.k-toast.info{border-left-color:var(--k-info)}
.k-toast-msg{flex:1;line-height:1.4}
.k-toast-x{background:none;border:none;cursor:pointer;color:rgba(255,255,255,.45);font-size:.875rem;padding:0}
.k-toast-x:hover{color:#fff}

/* ── Spinner / Loader ─────────────────────────────────────── */
.k-spinner{width:20px;height:20px;border:2px solid var(--k-gray-200);border-top-color:var(--k-blue-500);border-radius:50%;animation:k-spin .7s linear infinite;flex-shrink:0}
.k-spinner-lg{width:34px;height:34px;border-width:3px}
.k-loader{display:flex;align-items:center;justify-content:center;gap:.625rem;padding:2rem;color:var(--k-gray-500);font-size:.875rem}
.k-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.875rem;padding:2.5rem 1.5rem;text-align:center;color:var(--k-gray-500)}
.k-empty-icon{font-size:2.25rem}.k-empty-title{font-size:.9375rem;font-weight:600;color:var(--k-gray-700)}
.k-empty-desc{font-size:.875rem;max-width:320px}

/* ── Table ────────────────────────────────────────────────── */
.k-table-wrap{overflow-x:auto;border-radius:var(--k-r-lg);border:1px solid var(--k-border)}
.k-table{width:100%;border-collapse:collapse}
.k-table th{background:var(--k-gray-50);padding:.6875rem 1rem;text-align:left;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--k-gray-600);border-bottom:1px solid var(--k-border);white-space:nowrap}
.k-table td{padding:.8125rem 1rem;font-size:.875rem;border-bottom:1px solid var(--k-border);color:var(--k-gray-800)}
.k-table tbody tr:last-child td{border-bottom:none}
.k-table tbody tr:hover td{background:var(--k-blue-50)}
.k-tbl-actions{display:flex;gap:.375rem;align-items:center}

/* ── Alert ────────────────────────────────────────────────── */
.k-alert{display:flex;align-items:flex-start;gap:.625rem;padding:.75rem .9375rem;border-radius:var(--k-r-md);font-size:.875rem}
.k-alert-info{background:#eff6ff;color:#1d4ed8;border-left:3px solid var(--k-info)}
.k-alert-success{background:#d1fae5;color:#065f46;border-left:3px solid var(--k-green)}
.k-alert-warning{background:#fef3c7;color:#92400e;border-left:3px solid var(--k-amber)}
.k-alert-error{background:#fee2e2;color:#991b1b;border-left:3px solid var(--k-red)}

/* ── Tabs ─────────────────────────────────────────────────── */
.k-tabs{display:flex;border-bottom:2px solid var(--k-border);gap:.25rem;overflow-x:auto}
.k-tab{padding:.5625rem .9375rem;font-size:.875rem;font-weight:500;color:var(--k-gray-500);border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;transition:all var(--k-t);background:none;border-left:none;border-right:none;border-top:none;white-space:nowrap}
.k-tab:hover{color:var(--k-gray-800)}.k-tab.active{color:var(--k-blue-600);border-bottom-color:var(--k-blue-500)}

/* ── Progress ─────────────────────────────────────────────── */
.k-prog{height:7px;background:var(--k-gray-200);border-radius:var(--k-r-full);overflow:hidden}
.k-prog-bar{height:100%;border-radius:var(--k-r-full);background:linear-gradient(90deg,var(--k-blue-500),var(--k-blue-400));transition:width .45s ease}
.k-prog-bar.green{background:linear-gradient(90deg,var(--k-green),#34d399)}
.k-prog-bar.amber{background:linear-gradient(90deg,var(--k-amber),#fcd34d)}

/* ── Search ───────────────────────────────────────────────── */
.k-search{position:relative;display:flex;align-items:center}
.k-search-icon{position:absolute;left:.75rem;color:var(--k-gray-400);pointer-events:none;font-size:.875rem}
.k-search input{padding-left:2.25rem;border:1.5px solid var(--k-border);border-radius:var(--k-r-full);height:36px;font-size:.875rem;background:var(--k-surface);color:var(--k-gray-800);outline:none;transition:border-color var(--k-t)}
.k-search input:focus{border-color:var(--k-blue-500)}

/* ── Pagination ───────────────────────────────────────────── */
.k-pages{display:flex;align-items:center;gap:.3rem}
.k-page{min-width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--k-r-sm);font-size:.875rem;border:1.5px solid var(--k-border);background:var(--k-surface);color:var(--k-gray-600);cursor:pointer;transition:all var(--k-t)}
.k-page:hover{border-color:var(--k-blue-400);color:var(--k-blue-600)}
.k-page.active{background:var(--k-blue-500);color:#fff;border-color:var(--k-blue-500)}
.k-page:disabled{opacity:.4;cursor:not-allowed}

/* ── Drop zone ────────────────────────────────────────────── */
.k-drop{border:2px dashed var(--k-border);border-radius:var(--k-r-md);padding:1.75rem;text-align:center;cursor:pointer;transition:all var(--k-t);color:var(--k-gray-500)}
.k-drop:hover,.k-drop.over{border-color:var(--k-blue-400);background:var(--k-blue-50);color:var(--k-blue-600)}

/* ── Chip ─────────────────────────────────────────────────── */
.k-chip{display:inline-flex;align-items:center;gap:.3rem;padding:.25rem .625rem;background:var(--k-gray-100);color:var(--k-gray-700);border-radius:var(--k-r-full);font-size:.75rem;font-weight:500;cursor:pointer;border:1.5px solid transparent;transition:all var(--k-t)}
.k-chip:hover{border-color:var(--k-blue-300);color:var(--k-blue-700);background:var(--k-blue-50)}
.k-chip.on{background:var(--k-blue-100);color:var(--k-blue-700);border-color:var(--k-blue-400)}

/* ── Toggle ───────────────────────────────────────────────── */
.k-toggle{position:relative;display:inline-block;width:40px;height:22px}
.k-toggle input{opacity:0;width:0;height:0}
.k-toggle-sl{position:absolute;cursor:pointer;inset:0;background:var(--k-gray-300);border-radius:22px;transition:var(--k-t)}
.k-toggle-sl::before{content:'';position:absolute;height:16px;width:16px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:var(--k-t)}
.k-toggle input:checked+.k-toggle-sl{background:var(--k-blue-500)}
.k-toggle input:checked+.k-toggle-sl::before{transform:translateX(18px)}

/* ── Score badges (pronunciación) ────────────────────────── */
.k-score{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .75rem;border-radius:var(--k-r-full);font-size:.75rem;font-weight:700}
.k-score.excellent{background:#d1fae5;color:#065f46}
.k-score.good{background:#dbeafe;color:#1d4ed8}
.k-score.ok{background:#fef3c7;color:#92400e}
.k-score.fail{background:#fee2e2;color:#991b1b}

/* ── Grid utils ───────────────────────────────────────────── */
.k-g2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.k-g3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.k-g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.k-ga{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.25rem}
@media(max-width:1024px){.k-g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.k-g2,.k-g3,.k-g4{grid-template-columns:1fr}}