/* ==================== RESET + BASE ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --ink: #0F172A;
    --graphite: #1E293B;
    --slate: #475569;
    --mist: #94A3B8;
    --line: #E2E8F0;
    --wash: #F8FAFC;
    --paper: #FFFFFF;
    --accent: #2563EB;
    --accent-dark: #1D4ED8;
    --accent-light: #DBEAFE;
    --success: #059669;
    --success-light: #D1FAE5;
    --warn: #F59E0B;
    --warn-light: #FEF3C7;
    --danger: #DC2626;
    --danger-light: #FEE2E2;
    --violet: #7C3AED;
    --violet-light: #EDE9FE;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--wash);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; font-size: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ==================== LOGIN ==================== */

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ink);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 380px;
    background: var(--paper);
    border-radius: 16px;
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.login-brand { text-align: center; margin-bottom: 32px; }
.login-logo {
    font-family: Georgia, serif;
    font-size: 48px;
    font-weight: bold;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.login-sub { color: var(--slate); font-size: 13px; margin-top: 2px; }

.login-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--slate);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.form-group input, .form-group select, .form-group textarea {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.btn-primary {
    padding: 11px 16px;
    background: var(--ink);
    color: var(--paper);
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.15s;
}
.btn-primary:hover:not(:disabled) { background: var(--graphite); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
    padding: 9px 14px;
    background: var(--paper);
    color: var(--slate);
    border: 1px solid var(--line);
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.15s;
}
.btn-secondary:hover { background: var(--wash); color: var(--ink); border-color: var(--mist); }

.btn-accent {
    padding: 9px 14px;
    background: var(--accent);
    color: var(--paper);
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.15s;
}
.btn-accent:hover:not(:disabled) { background: var(--accent-dark); }
.btn-accent:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-danger {
    padding: 9px 14px;
    background: var(--paper);
    color: var(--danger);
    border: 1px solid var(--danger-light);
    border-radius: 8px;
    font-weight: 500;
}
.btn-danger:hover { background: var(--danger-light); }

.error-msg {
    color: var(--danger);
    font-size: 13px;
    min-height: 18px;
    text-align: center;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--mist);
    font-size: 11px;
}

/* ==================== DASHBOARD LAYOUT ==================== */

.app-layout {
    display: grid;
    grid-template-columns: 240px 380px 1fr;
    grid-template-rows: 56px 1fr;
    grid-template-areas:
        "top top top"
        "sidebar bandeja chat";
    height: 100vh;
    overflow: hidden;
}

.topbar {
    grid-area: top;
    display: flex;
    align-items: center;
    padding: 0 20px;
    background: var(--ink);
    color: var(--paper);
    border-bottom: 1px solid var(--graphite);
    gap: 20px;
}
.topbar-brand {
    font-family: Georgia, serif;
    font-size: 22px;
    font-weight: bold;
    letter-spacing: -0.02em;
}
.topbar-status {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--graphite);
    color: var(--mist);
}
.topbar-status.connected { background: rgba(5,150,105,0.2); color: #34D399; }
.topbar-status.disconnected { background: rgba(220,38,38,0.2); color: #FCA5A5; }
.topbar-spacer { flex: 1; }
.topbar-user {
    font-size: 13px;
    color: var(--mist);
    display: flex;
    align-items: center;
    gap: 10px;
}
.topbar-user .user-name { color: var(--paper); font-weight: 500; }
.btn-logout {
    color: var(--mist);
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 6px;
}
.btn-logout:hover { color: var(--paper); background: var(--graphite); }

/* ---- Sidebar ---- */
.sidebar {
    grid-area: sidebar;
    background: var(--paper);
    border-right: 1px solid var(--line);
    overflow-y: auto;
    padding: 16px 0;
}
.sidebar-section { margin-bottom: 24px; }
.sidebar-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--mist);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0 20px;
    margin-bottom: 8px;
}
.sidebar-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 20px;
    color: var(--slate);
    font-size: 13px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background 0.1s;
}
.sidebar-item:hover { background: var(--wash); }
.sidebar-item.active {
    background: var(--accent-light);
    color: var(--accent-dark);
    border-left-color: var(--accent);
    font-weight: 600;
}
.sidebar-badge {
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 999px;
    background: var(--line);
    color: var(--slate);
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}
.sidebar-item.active .sidebar-badge {
    background: var(--accent);
    color: var(--paper);
}
.sidebar-badge.alert { background: var(--danger); color: var(--paper); }

/* ---- Bandeja ---- */
.bandeja {
    grid-area: bandeja;
    background: var(--paper);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.bandeja-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.bandeja-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.bandeja-title h2 { font-size: 16px; font-weight: 600; }
.bandeja-search {
    display: flex;
    align-items: center;
    background: var(--wash);
    border-radius: 8px;
    padding: 0 10px;
    border: 1px solid transparent;
}
.bandeja-search:focus-within { border-color: var(--accent); background: var(--paper); }
.bandeja-search input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 6px;
    font-size: 13px;
}

.conv-list { flex: 1; overflow-y: auto; }
.conv-item {
    padding: 12px 20px;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    transition: background 0.1s;
    position: relative;
}
.conv-item:hover { background: var(--wash); }
.conv-item.selected { background: var(--accent-light); }
.conv-item.unread { background: #FEFCE8; }
.conv-item.unread:hover { background: #FEF9C3; }
.conv-item.unread.selected { background: var(--accent-light); }

.conv-item-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}
.conv-item-name {
    font-weight: 600;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.conv-item.unread .conv-item-name { font-weight: 700; }
.conv-item-time {
    font-size: 11px;
    color: var(--mist);
    white-space: nowrap;
    flex-shrink: 0;
}
.conv-item-preview {
    font-size: 12px;
    color: var(--slate);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.conv-item.unread .conv-item-preview { color: var(--ink); font-weight: 500; }

.conv-item-badges { display: flex; gap: 4px; margin-top: 6px; }
.badge {
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-nuevo { background: var(--accent-light); color: var(--accent-dark); }
.badge-en_gestion { background: var(--warn-light); color: #92400E; }
.badge-resuelto { background: var(--success-light); color: #064E3B; }
.badge-derivado { background: var(--violet-light); color: #5B21B6; }
.badge-cerrado { background: #E5E7EB; color: var(--slate); }
.badge-bot { background: #F3E8FF; color: #6B21A8; }
.badge-important { background: var(--danger-light); color: #7F1D1D; }

.empty-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--mist);
    font-size: 13px;
}

/* ---- Chat ---- */
.chat {
    grid-area: chat;
    display: flex;
    flex-direction: column;
    background: var(--wash);
    overflow: hidden;
}
.chat-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--mist);
    text-align: center;
    padding: 40px;
}
.chat-empty-icon { font-size: 48px; opacity: 0.3; margin-bottom: 12px; }

.chat-header {
    padding: 14px 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 14px;
}
.chat-header-info { flex: 1; min-width: 0; }
.chat-header-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.chat-header-meta {
    font-size: 12px;
    color: var(--slate);
    display: flex;
    gap: 10px;
    margin-top: 2px;
}
.chat-header-meta span { white-space: nowrap; }
.chat-header-actions { display: flex; gap: 8px; align-items: center; }

.toggle-bot {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--wash);
    border-radius: 8px;
    font-size: 12px;
    color: var(--slate);
    cursor: pointer;
    user-select: none;
}
.toggle-bot input { cursor: pointer; }
.toggle-bot.active { background: #F3E8FF; color: #6B21A8; }

.chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.msg {
    max-width: 70%;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 13.5px;
    word-wrap: break-word;
    white-space: pre-wrap;
    line-height: 1.4;
    position: relative;
}
.msg-entrante {
    align-self: flex-start;
    background: var(--paper);
    border: 1px solid var(--line);
    border-bottom-left-radius: 4px;
    color: var(--ink);
}
.msg-saliente-bot {
    align-self: flex-end;
    background: #F3E8FF;
    color: #3B0764;
    border-bottom-right-radius: 4px;
}
.msg-saliente-gestor {
    align-self: flex-end;
    background: var(--accent);
    color: var(--paper);
    border-bottom-right-radius: 4px;
}
.msg-meta {
    font-size: 10px;
    color: var(--mist);
    margin-top: 3px;
    display: flex;
    gap: 6px;
    align-items: center;
}
.msg-saliente-gestor .msg-meta { color: rgba(255,255,255,0.7); }
.msg-saliente-bot .msg-meta { color: #7C3AED; }

.msg-media-img {
    max-width: 240px;
    max-height: 240px;
    border-radius: 8px;
    margin-bottom: 4px;
    cursor: pointer;
    display: block;
}
.msg-media-audio, .msg-media-file {
    padding: 8px;
    border-radius: 8px;
    background: rgba(0,0,0,0.05);
    margin-bottom: 4px;
    font-size: 12px;
}
.msg-media-audio audio { width: 100%; }

.day-separator {
    align-self: center;
    font-size: 11px;
    color: var(--mist);
    background: var(--paper);
    padding: 4px 10px;
    border-radius: 999px;
    margin: 8px 0;
    border: 1px solid var(--line);
}

.chat-composer {
    padding: 12px 16px;
    background: var(--paper);
    border-top: 1px solid var(--line);
    display: flex;
    gap: 8px;
    align-items: flex-end;
}
.chat-composer textarea {
    flex: 1;
    min-height: 38px;
    max-height: 120px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 12px;
    resize: none;
    outline: none;
    font-size: 14px;
    line-height: 1.4;
    transition: border-color 0.15s;
}
.chat-composer textarea:focus { border-color: var(--accent); }
.chat-composer .send-btn {
    background: var(--accent);
    color: var(--paper);
    padding: 9px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
}
.chat-composer .send-btn:hover:not(:disabled) { background: var(--accent-dark); }
.chat-composer .send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.composer-hint {
    font-size: 11px;
    color: var(--mist);
    padding: 2px 16px 8px;
    background: var(--paper);
    border-top: 1px solid var(--line);
}
.composer-hint.warn { color: var(--warn); background: var(--warn-light); font-weight: 500; }

/* ---- Notas internas (panel lateral dentro del chat) ---- */
.notas-panel {
    border-top: 1px solid var(--line);
    background: #FFFBEB;
    padding: 10px 16px;
    max-height: 180px;
    overflow-y: auto;
}
.notas-panel-header {
    font-size: 11px;
    font-weight: 600;
    color: #92400E;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nota {
    background: var(--paper);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12px;
    margin-bottom: 6px;
    border-left: 3px solid var(--warn);
}
.nota-meta { font-size: 10px; color: var(--slate); margin-top: 2px; }

/* ---- Panel lateral del chat (info deudor) ---- */
.chat-aside {
    width: 280px;
    min-width: 280px;
    background: var(--paper);
    border-left: 1px solid var(--line);
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.chat-aside.hidden { display: none; }

.chat-aside-section { }
.chat-aside-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--mist);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--line);
}
.info-row:last-child { border-bottom: none; }
.info-row .k { color: var(--slate); }
.info-row .v { color: var(--ink); font-weight: 500; text-align: right; }
.info-row .v.monto { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.info-empty {
    color: var(--mist);
    font-size: 12px;
    font-style: italic;
    padding: 8px 0;
}

.full-width { width: 100%; text-align: center; justify-content: center; }

.gestor-select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--line);
    border-radius: 6px;
    font-size: 13px;
    background: var(--paper);
    color: var(--ink);
}

.alerta-chip {
    display: inline-block;
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--warn-light);
    color: #92400E;
    margin: 2px;
}

/* ---- Quick replies bar ---- */
.quick-replies-bar {
    display: none;
    padding: 6px 12px;
    background: var(--wash);
    border-top: 1px solid var(--line);
    max-height: 200px;
    overflow-y: auto;
}
.quick-replies-bar.visible { display: block; }
.qr-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 6px 8px;
    margin: 2px 0;
    border-radius: 6px;
    font-size: 13px;
    color: var(--ink);
    cursor: pointer;
    transition: background 0.1s;
}
.qr-item:hover, .qr-item.active { background: var(--accent-light); color: var(--accent-dark); }
.qr-item code {
    display: inline-block;
    padding: 1px 6px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 4px;
    font-size: 11px;
    color: var(--slate);
    margin-right: 8px;
}

/* ---- Ajuste del chat para que use el aside ---- */
.chat-main { min-width: 0; }

@media (max-width: 1200px) {
    .chat-aside { display: none; }
    .chat-aside.forced-visible { display: flex; position: absolute; right: 0; top: 56px; bottom: 0; z-index: 10; box-shadow: -10px 0 30px rgba(0,0,0,0.1); }
}

/* ==================== PANTALLAS ALTERNATIVAS ==================== */

.panel-content {
    grid-column: 2 / 4;
    grid-row: 2 / 3;
    padding: 32px;
    overflow-y: auto;
    background: var(--wash);
}
.panel-content h1 { font-size: 24px; margin-bottom: 8px; }
.panel-content .subtitle { color: var(--slate); margin-bottom: 24px; font-size: 14px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 32px;
}
.stat-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 18px;
}
.stat-label {
    font-size: 11px;
    color: var(--slate);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}
.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--ink);
    margin-top: 4px;
    line-height: 1;
}
.stat-sub { font-size: 12px; color: var(--mist); margin-top: 4px; }

.table-wrapper {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}
.table-wrapper-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    color: var(--slate);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--wash);
    border-bottom: 1px solid var(--line);
}
table.data td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
}
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover { background: var(--wash); }
.text-right { text-align: right; }
.text-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.muted { color: var(--mist); }

/* ==================== MODALES ==================== */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.5);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal {
    background: var(--paper);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal h3 { margin-bottom: 16px; font-size: 18px; }
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

/* ==================== TOAST ==================== */

.toast-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 12px 16px;
    border-radius: 10px;
    background: var(--paper);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    font-size: 13px;
    min-width: 260px;
    max-width: 380px;
    border-left: 4px solid var(--accent);
    animation: slideIn 0.25s ease-out;
}
.toast.success { border-left-color: var(--success); }
.toast.warn    { border-left-color: var(--warn); }
.toast.error   { border-left-color: var(--danger); }
.toast-title { font-weight: 600; margin-bottom: 2px; }
.toast-body { color: var(--slate); font-size: 12px; }

@keyframes slideIn {
    from { transform: translateX(20px); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

/* ==================== MEDIA UPLOAD ==================== */

.attach-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    opacity: 0.6;
    transition: opacity 0.15s;
    flex-shrink: 0;
}
.attach-btn:hover { opacity: 1; }

.media-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg2);
    border-top: 1px solid var(--line);
    font-size: 12px;
}
.media-preview-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}
.media-preview-content img {
    max-height: 60px;
    max-width: 120px;
    border-radius: 6px;
    object-fit: cover;
}
.media-preview-remove {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 12px;
    flex-shrink: 0;
}

/* ==================== SCROLLBAR ==================== */

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--mist); }

/* ==================== RESPONSIVE ==================== */

@media (max-width: 900px) {
    .app-layout {
        grid-template-columns: 60px 1fr;
        grid-template-areas:
            "top top"
            "sidebar bandeja";
    }
    .chat { display: none; }
    .sidebar-title, .sidebar-item-label { display: none; }
    .sidebar-item { justify-content: center; }
}