:root {
    --bg: #0f172a;
    --bg2: #1e293b;
    --surf: #ffffff;
    --txt: #1e293b;
    --txt2: #64748b;
    --bd: #e2e8f0;
    --pri: #25d366;
    --pri-d: #128c7e;
    --acc: #2563eb;
    --warn: #f59e0b;
    --err: #ef4444;
    --ok: #10b981;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, 'Segoe UI', system-ui, sans-serif; background: #f1f5f9; color: var(--txt); font-size: 14px; }
.app { display: flex; height: 100vh; overflow: hidden; }

/* Sidebar */
.sb { width: 240px; background: var(--bg); color: #e2e8f0; display: flex; flex-direction: column; flex-shrink: 0; }
.sb-hdr { padding: 18px 20px; border-bottom: 1px solid #334155; display: flex; align-items: center; gap: 10px; }
.sb-hdr-icon { width: 36px; height: 36px; background: var(--pri); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.sb-hdr-tit { font-weight: 700; font-size: 14px; }
.sb-hdr-sub { font-size: 10px; color: #94a3b8; letter-spacing: .5px; text-transform: uppercase; margin-top: 2px; }
.sb-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.sb-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; cursor: pointer; font-size: 13px; color: #cbd5e1; transition: all .12s; }
.sb-item:hover { background: #334155; color: #fff; }
.sb-item.active { background: var(--pri); color: #fff; font-weight: 600; }
.sb-item i { width: 16px; text-align: center; }
.sb-foot { padding: 12px 20px; border-top: 1px solid #334155; font-size: 10px; color: #64748b; }

/* Main */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.tb { background: #fff; border-bottom: 1px solid var(--bd); padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.tb-head { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1; }
.tb-icon { width: 44px; height: 44px; background: var(--pri); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; flex-shrink: 0; box-shadow: 0 2px 6px rgba(37,211,102,.25); }
.tb-text { min-width: 0; }
.tb-tit { font-size: 18px; font-weight: 700; line-height: 1.2; }
.tb-sub { font-size: 12px; color: var(--txt2); margin-top: 4px; line-height: 1.2; }
.content { flex: 1; padding: 20px 24px; overflow-y: auto; background: #f1f5f9; }

/* Cards */
.grid { display: grid; gap: 14px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card { background: #fff; border: 1px solid var(--bd); border-radius: 12px; padding: 16px; }
.card-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

/* Línea card */
.linea-card { background: #fff; border: 1px solid var(--bd); border-radius: 12px; overflow: hidden; transition: all .15s; }
.linea-card:hover { border-color: #cbd5e1; }
.linea-hdr { padding: 14px 16px; border-bottom: 1px solid #f1f5f9; display: flex; align-items: center; gap: 10px; }
.linea-color { width: 10px; height: 36px; border-radius: 5px; }
.linea-nom { font-weight: 700; font-size: 14px; }
.linea-soc { font-size: 11px; color: var(--txt2); margin-top: 2px; }
.linea-body { padding: 14px 16px; }
.linea-stat { display: flex; align-items: center; gap: 8px; font-size: 11px; }
.linea-stat-dot { width: 8px; height: 8px; border-radius: 50%; }
.linea-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid #f1f5f9; }
.lstat { text-align: center; }
.lstat-v { font-weight: 700; font-size: 16px; color: var(--txt); }
.lstat-l { font-size: 9px; color: var(--txt2); text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; }
.linea-acc { padding: 10px 16px; background: #f8fafc; display: flex; gap: 6px; flex-wrap: wrap; }

/* Estado dots */
.dot-conectado { background: var(--ok); box-shadow: 0 0 0 2px rgba(16,185,129,.2); }
.dot-conectando { background: var(--warn); animation: pulse 1.4s infinite; }
.dot-desconectado { background: #cbd5e1; }
.dot-qr_pendiente { background: var(--acc); animation: pulse 1.4s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }

/* Botones */
.btn { display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px; border-radius: 7px; border: 1px solid var(--bd); background: #fff; color: var(--txt); font-size: 11px; font-weight: 600; cursor: pointer; transition: all .12s; font-family: inherit; }
.btn:hover { background: #f8fafc; border-color: #cbd5e1; }
.btn-pri { background: var(--pri); border-color: var(--pri); color: #fff; }
.btn-pri:hover { background: var(--pri-d); border-color: var(--pri-d); }
.btn-acc { background: var(--acc); border-color: var(--acc); color: #fff; }
.btn-acc:hover { background: #1d4ed8; }
.btn-warn { background: var(--warn); border-color: var(--warn); color: #fff; }
.btn-err { background: var(--err); border-color: var(--err); color: #fff; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 4px 8px; font-size: 10px; }
.btn-lg { padding: 9px 16px; font-size: 13px; }

/* Empty state */
.empty { text-align: center; padding: 40px 20px; color: var(--txt2); }
.empty-icon { font-size: 48px; color: #cbd5e1; margin-bottom: 12px; }
.empty-tit { font-size: 14px; font-weight: 600; color: var(--txt); }
.empty-sub { font-size: 12px; margin-top: 4px; }

/* Modal */
.mod-bg { position: fixed; inset: 0; background: rgba(15,23,42,.65); z-index: 1000; display: none; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(2px); }
.mod-bg.show { display: flex; }
.mod { background: #fff; border-radius: 14px; max-width: 480px; width: 100%; box-shadow: 0 25px 60px rgba(0,0,0,.3); overflow: hidden; }
.mod-hdr { padding: 16px 20px; border-bottom: 1px solid var(--bd); display: flex; align-items: center; justify-content: space-between; }
.mod-tit { font-weight: 700; font-size: 15px; }
.mod-x { background: transparent; border: none; cursor: pointer; color: var(--txt2); font-size: 18px; }
.mod-body { padding: 20px; }
.mod-foot { padding: 14px 20px; border-top: 1px solid var(--bd); display: flex; justify-content: flex-end; gap: 8px; background: #f8fafc; }

/* Form */
.field { margin-bottom: 14px; }
.field-l { display: block; font-size: 11px; font-weight: 600; color: var(--txt2); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 5px; }
.field-i, .field-s { width: 100%; padding: 9px 12px; border: 1px solid var(--bd); border-radius: 7px; font-size: 13px; font-family: inherit; }
.field-i:focus, .field-s:focus { outline: none; border-color: var(--acc); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

/* QR */
.qr-box { text-align: center; padding: 14px; }
.qr-box img { width: 240px; height: 240px; border: 4px solid #fff; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.qr-instr { font-size: 12px; color: var(--txt2); margin-top: 14px; line-height: 1.5; }

/* Toast */
.toast-c { position: fixed; bottom: 20px; right: 20px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--bg); color: #fff; padding: 12px 16px; border-radius: 10px; font-size: 13px; box-shadow: 0 10px 30px rgba(0,0,0,.2); display: flex; align-items: center; gap: 8px; min-width: 220px; animation: slideIn .25s ease-out; }
.toast.ok { background: var(--ok); }
.toast.err { background: var(--err); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Loading */
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid #fff; border-top-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Inbox layout */
.inbox-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 14px; height: calc(100vh - 130px); }
.inbox-list { background: #fff; border: 1px solid var(--bd); border-radius: 12px; display: flex; flex-direction: column; overflow: hidden; }
.inbox-filters { padding: 12px; border-bottom: 1px solid var(--bd); flex-shrink: 0; }
.filter-tabs { display: flex; gap: 4px; margin-top: 8px; }
.ft-btn { flex: 1; padding: 6px 10px; border: 1px solid var(--bd); background: #fff; border-radius: 6px; cursor: pointer; font-size: 11px; font-weight: 600; color: var(--txt2); display: flex; align-items: center; justify-content: center; gap: 5px; font-family: inherit; }
.ft-btn:hover { background: #f8fafc; }
.ft-btn.active { background: var(--pri); border-color: var(--pri); color: #fff; }
.ft-count { background: rgba(255,255,255,.25); padding: 1px 6px; border-radius: 999px; font-size: 9px; }
.ft-btn:not(.active) .ft-count { background: #e2e8f0; color: var(--txt2); }

.conv-list { flex: 1; overflow-y: auto; }
.conv-item { display: flex; gap: 0; padding: 10px 12px; border-bottom: 1px solid #f1f5f9; cursor: pointer; transition: background .12s; }
.conv-item:hover { background: #f8fafc; }
.conv-item.active { background: #ecfdf5; border-left: 3px solid var(--pri); padding-left: 9px; }
.conv-item.unread .conv-name { font-weight: 700; }
.conv-color { width: 4px; border-radius: 2px; margin-right: 8px; flex-shrink: 0; }
.conv-content { flex: 1; min-width: 0; }
.conv-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2px; }
.conv-name { font-size: 13px; color: var(--txt); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.conv-time { font-size: 10px; color: var(--txt2); flex-shrink: 0; margin-left: 8px; }
.conv-bottom { display: flex; align-items: center; gap: 6px; }
.conv-preview { flex: 1; font-size: 11px; color: var(--txt2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-badge { background: var(--pri); color: #fff; font-size: 9px; font-weight: 700; padding: 1px 6px; border-radius: 999px; min-width: 16px; text-align: center; }
.conv-meta { display: flex; gap: 8px; font-size: 9px; color: var(--txt2); margin-top: 3px; }
.conv-linea { background: #f1f5f9; padding: 1px 6px; border-radius: 4px; }
.conv-agente { color: var(--acc); }
.conv-sinagent { color: var(--warn); font-style: italic; }

/* Chat */
.inbox-chat { background: #fff; border: 1px solid var(--bd); border-radius: 12px; display: flex; flex-direction: column; overflow: hidden; }
.chat-hdr { padding: 12px 16px; border-bottom: 1px solid var(--bd); display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
.chat-hdr-info { display: flex; align-items: center; gap: 10px; }
.chat-name { font-weight: 700; font-size: 14px; }
.chat-sub { font-size: 11px; color: var(--txt2); margin-top: 2px; }
.chat-body { flex: 1; overflow-y: auto; padding: 16px; background: #f5f6f7; background-image: linear-gradient(rgba(255,255,255,.4) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.4) 1px, transparent 1px); background-size: 20px 20px; }
.chat-date { text-align: center; font-size: 10px; color: var(--txt2); background: rgba(255,255,255,.85); padding: 4px 12px; border-radius: 12px; display: inline-block; margin: 12px auto; width: fit-content; left: 50%; position: relative; transform: translateX(-50%); }
.chat-date + .chat-date { display: none; }

.msg { display: flex; margin-bottom: 6px; }
.msg-out { justify-content: flex-end; }
.msg-bubble { max-width: 60%; padding: 6px 10px; border-radius: 8px; box-shadow: 0 1px 1px rgba(0,0,0,.05); position: relative; }
.msg-in .msg-bubble { background: #fff; border-top-left-radius: 2px; }
.msg-out .msg-bubble { background: #d9fdd3; border-top-right-radius: 2px; }
.msg-txt { font-size: 13px; line-height: 1.4; word-wrap: break-word; white-space: pre-wrap; }
.msg-author { font-size: 11px; font-weight: 700; color: var(--pri-d); margin-bottom: 2px; }
.msg-foot { font-size: 9px; color: var(--txt2); text-align: right; margin-top: 2px; display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
.msg-doc { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; background: rgba(0,0,0,.05); border-radius: 6px; color: var(--txt); text-decoration: none; font-size: 12px; }

.chat-composer { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--bd); align-items: flex-end; flex-shrink: 0; background: #fff; }
.chat-composer textarea { flex: 1; padding: 10px 12px; border: 1px solid var(--bd); border-radius: 18px; font-size: 13px; font-family: inherit; resize: none; outline: none; line-height: 1.4; max-height: 120px; }
.chat-composer textarea:focus { border-color: var(--pri); }
.chat-composer .btn { flex-shrink: 0; height: 38px; width: 38px; padding: 0; justify-content: center; border-radius: 50%; }
.chat-composer .btn i { margin: 0; font-size: 14px; }

/* Inbox layout viejo (placeholder) */
.inbox-empty { padding: 60px 20px; text-align: center; color: var(--txt2); }

/* ─── Modal config: tabs horizontales ───────────────────── */
.cfg-tabs {
    display: flex;
    border-bottom: 1px solid var(--bd);
    background: #f8fafc;
    padding: 0 8px;
    gap: 2px;
}
.cfg-tab {
    background: transparent;
    border: none;
    padding: 12px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--txt2);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    transition: all .12s;
}
.cfg-tab:hover { color: var(--txt); }
.cfg-tab.active {
    color: var(--pri);
    border-bottom-color: var(--pri);
    background: #fff;
}
.cfg-tab i { font-size: 12px; }

/* Contenido del modal config */
.cfg-content { padding: 22px 24px; }
.cfg-pane { display: none; }
.cfg-pane.active { display: block; animation: cfgFade .2s ease-out; }
@keyframes cfgFade { from {opacity:0;transform:translateY(4px);} to {opacity:1;transform:translateY(0);} }

.cfg-section { margin-bottom: 24px; }
.cfg-section:last-child { margin-bottom: 0; }
.cfg-section-tit {
    font-size: 14px;
    font-weight: 700;
    color: var(--txt);
    margin-bottom: 4px;
}
.cfg-section-sub {
    font-size: 12px;
    color: var(--txt2);
    margin-bottom: 12px;
    line-height: 1.45;
}

.cfg-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}
.cfg-field label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--txt2);
    text-transform: uppercase;
    letter-spacing: .4px;
    margin-bottom: 5px;
}
.cfg-input-group {
    position: relative;
    display: flex;
    align-items: center;
}
.cfg-input-group input { padding-right: 50px; }
.cfg-unit {
    position: absolute;
    right: 10px;
    font-size: 11px;
    color: var(--txt2);
    pointer-events: none;
}

.cfg-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f8fafc;
    border: 1px solid var(--bd);
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--txt);
}
.cfg-check input { width: auto; margin: 0; }

/* Días hábiles: grid de toggles */
.dia-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.dia-toggle { cursor: pointer; }
.dia-toggle input { display: none; }
.dia-toggle span {
    display: block;
    padding: 10px 6px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    background: #f1f5f9;
    color: #94a3b8;
    border-radius: 8px;
    transition: all .15s;
}
.dia-toggle input:checked + span {
    background: var(--pri);
    color: #fff;
}
.dia-toggle:hover span { background: #e2e8f0; }
.dia-toggle input:checked:hover + span { background: var(--pri-d); }

/* Copiar config a otras líneas */
.copy-target {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid var(--bd);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    background: #fff;
    color: var(--txt);
}
.copy-target input { margin: 0; }
.copy-target:hover { background: #f8fafc; }

/* ─── Manual de API ───────────────────────────────────── */
.docs { max-width: 980px; }
.docs h2 { font-size: 18px; font-weight: 700; color: var(--txt); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.docs h2 i { color: var(--pri); font-size: 16px; }
.docs h4 { font-size: 13px; font-weight: 700; color: var(--txt2); margin: 16px 0 8px; text-transform: uppercase; letter-spacing: .5px; }
.docs p { font-size: 14px; line-height: 1.6; color: var(--txt); margin-bottom: 12px; }
.docs code { background: #1e293b; color: #e2e8f0; padding: 2px 6px; border-radius: 4px; font-size: 12px; font-family: 'Consolas', 'Monaco', monospace; }
.docs pre { background: #1e293b; color: #e2e8f0; padding: 14px 16px; border-radius: 8px; overflow-x: auto; margin-bottom: 12px; }
.docs pre code { background: transparent; padding: 0; font-size: 12.5px; line-height: 1.6; }
.docs ul.docs-list { font-size: 14px; line-height: 1.7; color: var(--txt); padding-left: 20px; }
.docs ul.docs-list li { margin-bottom: 8px; }

.docs-intro, .docs-section { background: #fff; padding: 24px; border-radius: 12px; margin-bottom: 16px; border: 1px solid var(--bd); }

.docs-warn { background: #fef3c7; border-left: 3px solid #f59e0b; padding: 10px 14px; border-radius: 6px; font-size: 13px; color: #78350f; margin-top: 12px; display: flex; align-items: flex-start; gap: 8px; }
.docs-warn i { flex-shrink: 0; margin-top: 2px; }

.ep { display: flex; align-items: center; gap: 12px; background: #f8fafc; padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; border: 1px solid var(--bd); }
.ep-method { font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 4px; color: #fff; letter-spacing: .5px; }
.method-get { background: #3b82f6; }
.method-post { background: #10b981; }
.method-put { background: #f59e0b; }
.method-delete { background: #ef4444; }
.ep-path { font-family: 'Consolas', monospace; font-size: 13.5px; font-weight: 600; color: var(--txt); }

.docs-tbl { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 12px; }
.docs-tbl th { background: #f8fafc; padding: 8px 10px; text-align: left; font-weight: 700; color: var(--txt2); border: 1px solid var(--bd); font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
.docs-tbl td { padding: 8px 10px; border: 1px solid var(--bd); vertical-align: top; }
.docs-tbl code { background: #f1f5f9; color: var(--pri-d); }

.state { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.state-pend { background: #fef3c7; color: #92400e; }
.state-ok { background: #dcfce7; color: #166534; }
.state-err { background: #fee2e2; color: #991b1b; }

/* ─── Stats clickeables en tarjeta de línea ─────────── */
.lstat-click { cursor: pointer; transition: background .12s; border-radius: 6px; padding: 4px 0; }
.lstat-click:hover { background: #f1f5f9; }

/* ─── Modal mensajes: filtros y tabla ───────────────── */
.msg-filters {
    display: flex;
    gap: 10px;
    padding: 14px 18px;
    background: #f8fafc;
    border-bottom: 1px solid var(--bd);
    flex-wrap: wrap;
}
.msg-filter-group { display: flex; flex-direction: column; gap: 4px; }
.msg-filter-group label {
    font-size: 10px;
    font-weight: 700;
    color: var(--txt2);
    text-transform: uppercase;
    letter-spacing: .4px;
}
.msg-filter-group select,
.msg-filter-group input {
    padding: 6px 10px;
    font-size: 12px;
    border: 1px solid var(--bd);
    border-radius: 6px;
    background: #fff;
    font-family: inherit;
    min-width: 110px;
}

.msg-tabla-cont { padding: 0; max-height: 60vh; overflow-y: auto; }
.msg-tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.msg-tabla thead {
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 1;
}
.msg-tabla th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 700;
    color: var(--txt2);
    border-bottom: 1px solid var(--bd);
    text-transform: uppercase;
    letter-spacing: .4px;
    font-size: 10px;
    background: #f8fafc;
}
.msg-tabla td {
    padding: 10px 12px;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: top;
}
.msg-tabla tr:hover td { background: #fafbfc; }
.msg-tabla code {
    background: transparent;
    color: var(--txt);
    font-size: 12px;
    padding: 0;
}
.msg-text {
    color: var(--txt);
    line-height: 1.4;
    word-break: break-word;
}
.msg-err {
    color: var(--err);
    font-size: 11px;
    margin-top: 4px;
    background: #fef2f2;
    padding: 3px 6px;
    border-radius: 4px;
    display: inline-block;
}

.msg-foot {
    padding: 10px 18px;
    background: #f8fafc;
    border-top: 1px solid var(--bd);
    font-size: 11px;
    color: var(--txt2);
    text-align: center;
}