:root {
    --color-primary: #1E3A5F;
    --color-accent: #2D7DD2;
    --color-bg: #F4F6F9;
    --color-card: #ffffff;
    --color-text: #1E293B;
    --color-muted: #64748B;
    --color-border: #E2E8F0;
    --color-success-bg: rgba(22, 163, 74, .12);
    --color-success: #16A34A;
    --color-error-bg: rgba(220, 38, 38, .12);
    --color-error: #DC2626;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: var(--color-card);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(15, 23, 42, .08);
    padding: 32px 28px;
    width: 100%;
    max-width: 380px;
}

.auth-card .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.auth-card .brand img {
    height: 32px;
    max-width: 140px;
    object-fit: contain;
}

.auth-card .brand span {
    font-weight: 700;
    font-size: 16px;
    color: var(--color-primary);
}

.auth-card h1 {
    font-size: 19px;
    margin: 0 0 18px;
    color: var(--color-primary);
}

.form-group { margin-bottom: 14px; }

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    background: #fff;
    color: var(--color-text);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-row input { width: auto; }

button.btn-primary {
    width: 100%;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 4px;
}

button.btn-primary:disabled { opacity: .6; cursor: default; }

.auth-links {
    margin-top: 16px;
    font-size: 13px;
    text-align: center;
    color: var(--color-muted);
}

.msg {
    font-size: 13px;
    padding: 10px 12px;
    border-radius: 6px;
    margin-bottom: 14px;
    display: none;
}

.msg-success { background: var(--color-success-bg); color: var(--color-success); }
.msg-error { background: var(--color-error-bg); color: var(--color-error); }

/* --- Layout autenticado (dashboard/profile) --- */

.portal-header {
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portal-header .brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.portal-header .brand img {
    height: 28px;
    max-width: 120px;
    object-fit: contain;
}

.portal-header .brand span {
    font-weight: 700;
    font-size: 15px;
    color: var(--color-primary);
}

.portal-header nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
}

.portal-header nav a {
    color: var(--color-text);
}

.portal-header .logout-link {
    color: var(--color-muted);
    cursor: pointer;
}

.portal-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px;
}

.portal-main h1 {
    color: var(--color-primary);
    font-size: 22px;
    margin: 0 0 24px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.info-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 20px;
}

.info-card h3 {
    margin: 0 0 8px;
    font-size: 15px;
    color: var(--color-primary);
}

.info-card p {
    margin: 0;
    font-size: 13px;
    color: var(--color-muted);
}

.profile-form {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 24px;
    max-width: 480px;
}

.profile-form input[readonly] {
    background: var(--color-bg);
    color: var(--color-muted);
}

/* --- Tickets --- */

.ticket-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.ticket-page-header h1 { margin: 0; }

.btn-inline { width: auto; margin-top: 0; }

.btn-secondary {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: 6px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.ticket-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ticket-row {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    transition: box-shadow .15s ease;
}

.ticket-row:hover { box-shadow: 0 2px 10px rgba(15, 23, 42, .08); }

.ticket-row-main {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.ticket-row-subject {
    font-weight: 600;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ticket-row-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--color-muted);
    flex-shrink: 0;
}

.empty-state {
    color: var(--color-muted);
    font-size: 14px;
    text-align: center;
    padding: 40px 0;
}

.badge-estado {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--color-bg);
    color: var(--color-muted);
    white-space: nowrap;
}

.badge-estado-nuevo,
.badge-estado-cotizacion_pendiente { background: rgba(45, 125, 210, .12); color: var(--color-accent); }
.badge-estado-evaluacion_agendada,
.badge-estado-cotizacion_enviada { background: rgba(217, 119, 6, .12); color: #D97706; }
.badge-estado-aprobado,
.badge-estado-en_ejecucion { background: var(--color-success-bg); color: var(--color-success); }
.badge-estado-finalizado { background: rgba(30, 58, 95, .1); color: var(--color-primary); }
.badge-estado-cerrado { background: var(--color-bg); color: var(--color-muted); }

.badge-estado-borrador { background: var(--color-bg); color: var(--color-muted); }
.badge-estado-emitida { background: rgba(45, 125, 210, .12); color: var(--color-accent); }
.badge-estado-vencida { background: rgba(220, 38, 38, .12); color: #DC2626; }
.badge-estado-pagada { background: var(--color-success-bg); color: var(--color-success); }
.badge-estado-cancelada { background: var(--color-bg); color: var(--color-muted); }

.kb-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.kb-chip {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.kb-chip.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.ticket-row-excerpt {
    font-size: 13px;
    color: var(--color-muted);
    margin: 4px 0 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kb-article {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 24px;
}

.kb-meta {
    font-size: 13px;
    color: var(--color-muted);
    margin: 8px 0 20px;
}

.kb-content {
    font-size: 14px;
    line-height: 1.6;
}

.kb-rate {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--color-border);
}

.kb-rate-thanks {
    margin-left: 10px;
    color: var(--color-success);
    font-weight: 600;
    font-size: 13px;
}

.kb-suggest {
    margin-top: 8px;
    font-size: 13px;
}

.kb-suggest ul {
    list-style: none;
    margin: 6px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.kb-suggest a {
    color: var(--color-accent);
    text-decoration: none;
}

.kb-suggest a:hover { text-decoration: underline; }

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 50;
}

.modal-card {
    background: var(--color-card);
    border-radius: 12px;
    padding: 24px;
    width: 100%;
    max-width: 440px;
}

.modal-card h2 {
    margin: 0 0 16px;
    color: var(--color-primary);
    font-size: 18px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 8px;
}

textarea {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    background: #fff;
    color: var(--color-text);
    resize: vertical;
}

textarea:focus { outline: none; border-color: var(--color-accent); }

.back-link { margin-bottom: 16px; font-size: 14px; }

.ticket-detail-card,
.quote-card,
.thread-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
}

.ticket-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.ticket-detail-date { font-size: 13px; color: var(--color-muted); }

.ticket-detail-card h1 {
    font-size: 19px;
    color: var(--color-primary);
    margin: 0 0 10px;
}

.ticket-detail-desc {
    font-size: 14px;
    color: var(--color-text);
    white-space: pre-wrap;
    margin: 0 0 12px;
}

.ticket-detail-agent {
    font-size: 13px;
    color: var(--color-muted);
    margin: 0;
}

.quote-card h2,
.thread-card h2 {
    font-size: 16px;
    color: var(--color-primary);
    margin: 0 0 12px;
}

.quote-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 4px;
}

.quote-stage {
    font-size: 13px;
    color: var(--color-muted);
    margin: 0 0 14px;
}

.quote-actions { display: flex; gap: 10px; }

.thread-messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 480px;
    overflow-y: auto;
    padding-right: 4px;
    margin-bottom: 16px;
}

.thread-bubble {
    max-width: 75%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
}

.thread-bubble-agente {
    align-self: flex-start;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
}

.thread-bubble-cliente {
    align-self: flex-end;
    background: rgba(45, 125, 210, .12);
}

.thread-bubble-meta {
    display: flex;
    gap: 8px;
    font-size: 11px;
    color: var(--color-muted);
    margin-bottom: 4px;
}

.thread-bubble-author { font-weight: 600; }

.thread-bubble-content { white-space: pre-wrap; }

.thread-bubble-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.thread-attachment-img {
    max-width: 140px;
    max-height: 140px;
    border-radius: 8px;
    display: block;
}

.thread-attachment-file {
    font-size: 12px;
    text-decoration: underline;
}

.thread-bubble-actions {
    display: flex;
    gap: 10px;
    margin-top: 6px;
}

.thread-bubble-action {
    background: none;
    border: none;
    padding: 0;
    font-size: 11px;
    color: var(--color-muted);
    text-decoration: underline;
    cursor: pointer;
}

.thread-bubble-edit-input {
    width: 100%;
    min-height: 60px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    padding: 6px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

.thread-bubble-edit-actions {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}

.composer {
    border-top: 1px solid var(--color-border);
    padding-top: 14px;
}

.composer textarea { margin-bottom: 10px; }

.composer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.composer-row input[type="file"] { font-size: 13px; }

@media (max-width: 600px) {
    .portal-header nav { gap: 10px; font-size: 13px; }
    .portal-main { padding: 20px 14px; }
    .ticket-row { flex-direction: column; align-items: flex-start; }
    .ticket-page-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .thread-bubble { max-width: 90%; }
}