* { box-sizing: border-box; }
html { background: var(--neutral-50); }
body { margin: 0; background: var(--neutral-50); color: var(--neutral-900); font-family: var(--font-family-sans-serif); font-size: var(--text-sm); }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-900); text-decoration: none; }
.tickets-shell { min-height: 100vh; }
.tickets-topbar { height: 66px; background: #fff; border-bottom: 1px solid var(--neutral-200); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--space-6); position: sticky; top: 0; z-index: var(--z-app-header); }
.tickets-brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--brand-purple-900); font-weight: var(--font-weight-extrabold); letter-spacing: -.02em; }
.tickets-brand-mark { width: 34px; height: 34px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--primary); color: #fff; font-weight: var(--font-weight-extrabold); }
.tickets-top-actions { display: flex; align-items: center; gap: var(--space-3); }
.tickets-user { color: var(--neutral-600); font-size: var(--text-xs); text-align: right; }
.tickets-user strong { color: var(--neutral-800); display: block; font-size: var(--text-sm); }
.tickets-layout { display: flex; min-height: calc(100vh - 66px); }
.tickets-nav { width: 232px; background: var(--brand-purple-900); padding: var(--space-6) var(--space-3); flex: 0 0 auto; }
.tickets-nav-label { color: var(--brand-purple-300); font-size: var(--text-xs); font-weight: var(--font-weight-bold); letter-spacing: .08em; text-transform: uppercase; margin: 0 var(--space-3) var(--space-2); }
.tickets-nav a { display: flex; align-items: center; gap: var(--space-3); color: var(--brand-purple-100); padding: 11px var(--space-3); border-radius: var(--radius-md); font-weight: var(--font-weight-bold); margin-bottom: 2px; }
.tickets-nav a:hover, .tickets-nav a.active { background: rgba(255,255,255,.12); color: #fff; }
.tickets-nav i { width: 18px; text-align: center; }
.tickets-main { flex: 1; min-width: 0; padding: var(--space-8) clamp(var(--space-4), 4vw, var(--space-10)); }
.tickets-page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); }
.tickets-eyebrow { color: var(--primary); font-size: var(--text-xs); font-weight: var(--font-weight-extrabold); letter-spacing: .1em; text-transform: uppercase; margin: 0 0 var(--space-2); }
.tickets-page-title { font-size: var(--text-2xl); line-height: 1.2; font-weight: var(--font-weight-extrabold); margin: 0; }
.tickets-page-subtitle { color: var(--neutral-500); margin: var(--space-2) 0 0; }
.ds-card { background: #fff; border: 1px solid var(--neutral-200); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-sm); }
.ds-card + .ds-card { margin-top: var(--space-4); }
.ds-card-title { margin: 0 0 var(--space-4); color: var(--neutral-500); font-size: var(--text-xs); font-weight: var(--font-weight-bold); letter-spacing: .08em; text-transform: uppercase; }
.ds-btn { min-height: 42px; border: 1px solid var(--neutral-200); background: #fff; border-radius: var(--radius-pill); color: var(--primary); padding: 0 var(--space-5); display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); font: inherit; font-weight: var(--font-weight-bold); cursor: pointer; transition: border-color .15s, background-color .15s, color .15s; }
.ds-btn:hover { border-color: var(--neutral-400); background: var(--neutral-50); color: var(--primary-900); }
.ds-btn:focus-visible, .ds-input:focus-visible, .tickets-nav a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.ds-btn--primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.ds-btn--primary:hover { background: var(--primary-700, #451C7D); color: #fff; }
.ds-btn--danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.ds-btn--ghost { border-color: transparent; color: var(--neutral-600); background: transparent; }
.ds-btn--sm { min-height: 34px; padding: 0 var(--space-4); font-size: var(--text-xs); }
.ds-btn--block { width: 100%; }
.ds-input-group { margin-bottom: var(--space-4); }
.ds-input-label { display: block; color: var(--neutral-800); font-weight: var(--font-weight-bold); margin-bottom: var(--space-2); }
.ds-input, select.ds-input, textarea.ds-input, input.form-control, select.form-control, textarea.form-control { width: 100%; min-height: 42px; padding: 9px 13px; border: 1px solid var(--neutral-200); border-radius: var(--radius-lg); background: #fff; color: var(--neutral-900); font: inherit; box-shadow: var(--shadow-sm); }
.tickets-main input:not([type="checkbox"]):not([type="radio"]), .tickets-main select, .tickets-main textarea { width: 100%; min-height: 42px; padding: 9px 13px; border: 1px solid var(--neutral-200); border-radius: var(--radius-lg); background: #fff; color: var(--neutral-900); font: inherit; box-shadow: var(--shadow-sm); }
.tickets-main input[type="checkbox"], .tickets-main input[type="radio"] { width: auto; min-height: auto; }
textarea.ds-input, textarea.form-control { min-height: 110px; resize: vertical; }
.ds-input:focus, select.ds-input:focus, textarea.ds-input:focus, input.form-control:focus, select.form-control:focus, textarea.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-100); outline: none; }
.ds-input-help, .ds-input-error, .helptext { display: block; font-size: var(--text-xs); margin-top: var(--space-1); }
.ds-input-help, .helptext { color: var(--neutral-500); }
.ds-input-error, .errorlist { color: var(--danger); list-style: none; padding: 0; margin: var(--space-1) 0 0; }
.tickets-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 var(--space-4); }
.tickets-form-grid .span-2 { grid-column: span 2; }
.tickets-filter { display: grid; grid-template-columns: 2fr repeat(4, 1fr) auto; gap: var(--space-3); align-items: end; }
.tickets-filter .ds-input-group { margin: 0; }
.ds-alert { display: flex; gap: var(--space-2); align-items: flex-start; border: 1px solid transparent; border-left-width: 4px; border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); margin-bottom: var(--space-3); box-shadow: var(--shadow-sm); }
.ds-alert--success { background: #ecfdf5; border-color: #a7e8cf; border-left-color: var(--success); color: #065f46; }
.ds-alert--danger { background: #fef2f2; border-color: #fecaca; border-left-color: var(--danger); color: #b91c1c; }
.ds-alert--warning { background: #fffbeb; border-color: #f5e1a4; border-left-color: var(--warning); color: #92400e; }
.ds-alert--info { background: #eff6ff; border-color: #bcd4f5; border-left-color: var(--info); color: #1e40af; }
.ds-badge { display: inline-flex; align-items: center; gap: 5px; padding: 5px 12px; border-radius: var(--radius-pill); font-size: var(--text-xs); font-weight: var(--font-weight-bold); white-space: nowrap; }
.ds-badge--open { background: #eff6ff; color: #1e40af; }
.ds-badge--in_progress { background: #fffbeb; color: #92400e; }
.ds-badge--closed { background: #ecfdf5; color: #065f46; }
.ds-badge--task { background: var(--primary-100); color: var(--primary-900); }
.ds-badge--support { background: var(--neutral-100); color: var(--neutral-700); }
.tickets-table-wrap { overflow-x: auto; border: 1px solid var(--neutral-200); border-radius: var(--radius-lg); }
.tickets-table { width: 100%; min-width: 760px; border-collapse: collapse; }
.tickets-table th { background: var(--neutral-50); color: var(--neutral-500); font-size: var(--text-xs); font-weight: var(--font-weight-bold); letter-spacing: .04em; text-align: left; text-transform: uppercase; padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--neutral-200); }
.tickets-table td { padding: var(--space-4); border-bottom: 1px solid var(--neutral-100); vertical-align: middle; }
.tickets-table tr:last-child td { border-bottom: 0; }
.tickets-table tr:hover td { background: var(--neutral-50); }
.tickets-number { color: var(--primary); font-weight: var(--font-weight-extrabold); white-space: nowrap; }
.tickets-muted { color: var(--neutral-500); }
.tickets-pagination { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-4); color: var(--neutral-500); }
.tickets-pagination a { padding: var(--space-2) var(--space-3); border: 1px solid var(--neutral-200); border-radius: var(--radius-pill); }
.tickets-kanban { display: grid; grid-template-columns: repeat(3, minmax(250px, 1fr)); gap: var(--space-4); overflow-x: auto; }
.tickets-kanban-column { background: var(--neutral-100); border-radius: var(--radius-lg); padding: var(--space-3); min-height: 420px; }
.tickets-kanban-column[data-status="open"] { border-top: 3px solid var(--info); }
.tickets-kanban-column[data-status="in_progress"] { border-top: 3px solid var(--warning); }
.tickets-kanban-column[data-status="closed"] { border-top: 3px solid var(--success); }
.tickets-kanban-header { display: flex; justify-content: space-between; align-items: center; padding: var(--space-2) var(--space-2) var(--space-3); }
.tickets-kanban-header h2 { margin: 0; font-size: var(--text-base); font-weight: var(--font-weight-extrabold); }
.tickets-kanban-count { color: var(--neutral-500); font-size: var(--text-xs); }
.tickets-kanban-card { background: #fff; border: 1px solid var(--neutral-200); border-radius: var(--radius-md); padding: var(--space-4); margin-bottom: var(--space-3); box-shadow: var(--shadow-sm); cursor: grab; }
.tickets-kanban-card:active { cursor: grabbing; }
.tickets-kanban-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.tickets-kanban-card h3 { margin: var(--space-2) 0; font-size: var(--text-sm); line-height: 1.35; }
.tickets-kanban-card-footer { display: flex; justify-content: space-between; gap: var(--space-2); color: var(--neutral-500); font-size: var(--text-xs); }
.tickets-kanban-empty { color: var(--neutral-400); text-align: center; padding: var(--space-10) var(--space-3); }
.tickets-detail-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, .8fr); gap: var(--space-4); }
.tickets-thread { position: relative; padding-left: var(--space-6); }
.tickets-thread::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--primary-100); }
.tickets-entry { position: relative; padding: 0 0 var(--space-5); }
.tickets-entry::before { content: ""; position: absolute; left: -24px; top: 5px; width: 12px; height: 12px; border-radius: var(--radius-circle); background: var(--primary); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--primary); }
.tickets-entry--internal::before { background: var(--warning); box-shadow: 0 0 0 1px var(--warning); }
.tickets-entry--event::before { background: var(--neutral-400); box-shadow: 0 0 0 1px var(--neutral-400); }
.tickets-entry-meta { color: var(--neutral-500); font-size: var(--text-xs); margin-bottom: var(--space-2); }
.tickets-entry-body { white-space: pre-wrap; line-height: 1.55; }
.tickets-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.tickets-stat-grid > .ds-card { min-height: 98px; margin-top: 0; }
.tickets-stat { border-left: 3px solid var(--primary); }
.tickets-stat strong { display: block; color: var(--primary-900); font-size: var(--text-2xl); }
.tickets-stat span { color: var(--neutral-500); font-size: var(--text-xs); }
.tickets-login { min-height: 100vh; display: grid; place-items: center; padding: var(--space-6); background: linear-gradient(135deg, var(--brand-purple-900), var(--primary)); }
.tickets-login-card { width: min(100%, 440px); background: #fff; border: 1px solid rgba(255,255,255,.35); border-radius: var(--radius-xl); padding: var(--space-10); box-shadow: 0 24px 70px rgba(27, 10, 55, .32); }
.tickets-login-mark { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: var(--space-8); border-radius: 11px; background: var(--primary); color: #fff; font-size: var(--text-lg); font-weight: var(--font-weight-extrabold); box-shadow: 0 8px 20px rgba(123, 63, 227, .28); }
.tickets-login-form { margin-top: var(--space-6); }
.tickets-auth-control { display: grid; grid-template-columns: 46px minmax(0, 1fr); align-items: center; overflow: hidden; border: 1px solid var(--neutral-300); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); transition: border-color .15s, box-shadow .15s, background-color .15s; }
.tickets-auth-control i { width: 46px; height: 46px; display: grid; place-items: center; color: var(--neutral-400); border-right: 1px solid var(--neutral-200); pointer-events: none; }
.tickets-auth-control input, .tickets-login-card input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]) { width: 100%; min-height: 48px; padding: 11px 14px; border: 1px solid var(--neutral-300); border-radius: var(--radius-lg); background: #fff; color: var(--neutral-900); font: inherit; box-shadow: var(--shadow-sm); transition: border-color .15s, box-shadow .15s, background-color .15s; }
.tickets-auth-control input { min-width: 0; border: 0; border-radius: 0; box-shadow: none; }
.tickets-auth-control input::placeholder, .tickets-login-card input::placeholder { color: var(--neutral-400); }
.tickets-auth-control:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-100); }
.tickets-auth-control:focus-within i { color: var(--primary); border-right-color: var(--primary-100); }
.tickets-auth-control input:focus, .tickets-login-card input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-100); }
.tickets-auth-control input:focus { border-color: transparent; box-shadow: none; }
.tickets-login-help { margin: var(--space-4) 0 0; text-align: center; }
.tickets-login-help a { font-weight: var(--font-weight-bold); }
@media (max-width: 900px) { .tickets-nav { width: 68px; padding: var(--space-4) var(--space-2); } .tickets-nav-label, .tickets-nav a span { display: none; } .tickets-nav a { justify-content: center; padding: 12px; } .tickets-main { padding: var(--space-6) var(--space-4); } .tickets-filter { grid-template-columns: repeat(2, 1fr); } .tickets-detail-grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .tickets-topbar { padding: 0 var(--space-4); } .tickets-user { display: none; } .tickets-page-header { flex-direction: column; } .tickets-form-grid, .tickets-filter, .tickets-stat-grid { grid-template-columns: 1fr; } .tickets-form-grid .span-2 { grid-column: auto; } .tickets-kanban { grid-template-columns: repeat(3, 280px); } .tickets-layout { min-height: calc(100vh - 58px); } .tickets-topbar { height: 58px; } .tickets-main { padding-top: var(--space-5); } .tickets-login-card { padding: var(--space-8) var(--space-6); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; transform: none !important; } }

/* Assistente IA */
.assistant-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: var(--space-6); align-items: start; }
.assistant-history { display: flex; flex-direction: column; gap: var(--space-2); max-height: calc(100vh - 220px); overflow-y: auto; }
.assistant-history-item { display: block; padding: var(--space-3); border-radius: var(--radius-md); color: var(--neutral-800); border: 1px solid transparent; }
.assistant-history-item strong { display: block; font-size: var(--text-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.assistant-history-item span { color: var(--neutral-500); font-size: var(--text-xs); }
.assistant-history-item:hover { background: var(--neutral-50); color: var(--neutral-900); }
.assistant-history-item.is-active { background: var(--primary-100); border-color: var(--brand-purple-200); color: var(--primary-900); }
.assistant-chat { display: flex; flex-direction: column; gap: var(--space-4); }
.assistant-chat-header { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-4); flex-wrap: wrap; }
.assistant-remaining { font-size: var(--text-xs); }
.assistant-messages { display: flex; flex-direction: column; gap: var(--space-4); min-height: 280px; max-height: 60vh; overflow-y: auto; padding: var(--space-2) 0; }
.assistant-message { display: flex; }
.assistant-message--user { justify-content: flex-end; }
.assistant-bubble { max-width: min(760px, 88%); padding: var(--space-4); border-radius: var(--radius-lg); border: 1px solid var(--neutral-200); background: #fff; line-height: 1.55; }
.assistant-bubble p:last-child, .assistant-bubble ol:last-child { margin-bottom: 0; }
.assistant-message--user .assistant-bubble { background: var(--primary); border-color: var(--primary); color: #fff; }
.assistant-steps { padding-left: 1.25rem; margin: var(--space-2) 0 var(--space-3); }
.assistant-steps li { margin-bottom: var(--space-1); }
.assistant-references { color: var(--neutral-500); font-size: var(--text-xs); }
.assistant-status { margin-bottom: var(--space-2); }
.assistant-status--possible { background: #ecfdf5; color: #065f46; }
.assistant-status--not_possible { background: #fef2f2; color: #b91c1c; }
.assistant-status--needs_support { background: #fffbeb; color: #92400e; }
.assistant-status--clarify { background: #eff6ff; color: #1e40af; }
.assistant-status--out_of_scope, .assistant-status--error { background: var(--neutral-100); color: var(--neutral-700); }
.assistant-error { color: var(--danger); }
.assistant-empty { margin: auto; text-align: center; color: var(--neutral-500); max-width: 420px; }
.assistant-empty i { font-size: 2rem; color: var(--brand-purple-300); margin-bottom: var(--space-3); }
.assistant-form textarea { resize: vertical; }
.assistant-form-footer { display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-2); }
@media (max-width: 1100px) { .assistant-layout { grid-template-columns: 1fr; } .assistant-history { max-height: 220px; } }