@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ─── VARIABLES ─────────────────────────────────────── */
:root {
  --brand-navy:     #06122f;
  --brand-blue:     #0f3a8a;
  --brand-accent:   #2563eb;
  --brand-red:      #e2231a;
  --brand-red-dark: #b91c1c;
  --sidebar-w:      252px;
  --bg-page:        #f0f4fa;
  --bg-card:        #ffffff;
  --bg-card2:       #f8faff;
  --text-primary:   #0f172a;
  --text-secondary: #64748b;
  --text-muted:     #94a3b8;
  --border:         #e2e8f0;
  --border-focus:   #2563eb;
  --shadow-sm:  0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --shadow-md:  0 4px 16px rgba(15,23,42,.08), 0 1px 4px rgba(15,23,42,.04);
  --shadow-lg:  0 12px 40px rgba(15,23,42,.12), 0 2px 8px rgba(15,23,42,.06);
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
  --font-sans: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Fira Code', monospace;
  --topbar-h: 64px;
}

*,*::before,*::after{box-sizing:border-box}
html{font-size:14px;scroll-behavior:smooth}
@media(min-width:768px){html{font-size:15px}}

body.app-body{
  margin:0;font-family:var(--font-sans);
  background:var(--bg-page);color:var(--text-primary);line-height:1.6;
}

/* SHELL */
.app-shell{display:flex;min-height:100vh}

/* SIDEBAR */
.sidebar-472{
  width:var(--sidebar-w);background:var(--brand-navy);color:#fff;
  display:flex;flex-direction:column;padding:0;
  position:fixed;top:0;left:0;height:100vh;z-index:200;
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  box-shadow:4px 0 24px rgba(6,18,47,.18);
}
.sidebar-brand{
  padding:24px 20px 18px;border-bottom:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;gap:12px;
}
.sidebar-logo{
  max-width:44px;height:44px;object-fit:contain;
  border-radius:10px;background:rgba(255,255,255,.08);padding:5px;
}
.sidebar-brand-name{font-size:15px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:-.02em}
.sidebar-brand-sub{font-size:10px;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.08em;margin-top:1px}
.sidebar-nav{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.sidebar-section-label{
  font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;
  color:rgba(255,255,255,.28);padding:12px 10px 4px;
}
.sidebar-link{
  color:rgba(255,255,255,.65);text-decoration:none;padding:9px 12px;
  border-radius:var(--radius-sm);transition:all .18s ease;
  font-size:13px;font-weight:500;display:flex;align-items:center;gap:10px;position:relative;
}
.sidebar-link .s-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.sidebar-link:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px)}
.sidebar-link.active{
  background:linear-gradient(135deg,var(--brand-accent),#1d4ed8);
  color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.35);
}
.sidebar-link.active::before{
  content:'';position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:3px;height:60%;background:var(--brand-accent);border-radius:0 3px 3px 0;
}
.sidebar-link.disabled{opacity:.3;pointer-events:none;cursor:default}
.sidebar-divider{height:1px;background:rgba(255,255,255,.07);margin:6px 0}
.sidebar-footer{padding:14px 12px;border-top:1px solid rgba(255,255,255,.07)}
.sidebar-version{font-size:10px;color:rgba(255,255,255,.18);text-align:center;letter-spacing:.05em}

/* TOGGLE (mobile) */
.sidebar-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;color:var(--text-primary);font-size:20px}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:199}
.sidebar-overlay.active{display:block}

/* MAIN */
.main-wrapper{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh;transition:margin-left .3s cubic-bezier(.4,0,.2,1)}

/* TOPBAR */
.topbar-472{
  background:var(--bg-card);border-bottom:1px solid var(--border);
  padding:0 28px;height:var(--topbar-h);
  display:flex;justify-content:space-between;align-items:center;
  position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm);
}
.topbar-left{display:flex;align-items:center;gap:12px}
.topbar-title{font-size:19px;margin:0;color:var(--text-primary);font-weight:700;letter-spacing:-.02em}
.topbar-right{display:flex;align-items:center;gap:10px}
.user-pill{
  background:var(--bg-card2);color:var(--brand-blue);padding:6px 14px;
  border-radius:99px;font-size:13px;font-weight:600;border:1px solid var(--border);
  display:flex;align-items:center;gap:8px;
}
.user-avatar{
  width:24px;height:24px;background:linear-gradient(135deg,var(--brand-accent),#7c3aed);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:#fff;
}
.btn-logout{
  background:transparent;border:1px solid var(--border);color:var(--text-secondary);
  border-radius:var(--radius-sm);padding:6px 14px;font-size:13px;font-weight:500;
  font-family:var(--font-sans);transition:all .15s;cursor:pointer;
}
.btn-logout:hover{background:#fee2e2;border-color:#fca5a5;color:var(--brand-red-dark)}

/* CONTENT */
.content-472{padding:28px 28px 48px;flex:1}

/* CARDS */
.card-soft,.form-shell{
  background:var(--bg-card);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);border:1px solid var(--border);
}
.panel-block{background:var(--bg-card);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}

/* PAGE HEADER */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.page-title{font-size:22px;font-weight:700;color:var(--text-primary);letter-spacing:-.03em;margin:0}
.page-subtitle{font-size:13px;color:var(--text-muted);margin:2px 0 0}

/* STATS */
.stats-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.stat-chip{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:14px 20px;min-width:130px;box-shadow:var(--shadow-sm);
}
.stat-chip-value{font-size:24px;font-weight:700;color:var(--text-primary);line-height:1;letter-spacing:-.03em}
.stat-chip-label{font-size:11px;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:.05em;font-weight:500}
.stat-chip.accent-blue{border-left:3px solid var(--brand-accent)}
.stat-chip.accent-green{border-left:3px solid #16a34a}
.stat-chip.accent-red{border-left:3px solid #dc2626}
.stat-chip.accent-purple{border-left:3px solid #7c3aed}
.stat-chip.accent-orange{border-left:3px solid #f97316}

/* TABLAS */
.table{font-size:13px;border-collapse:separate;border-spacing:0}
.table-wrapper{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border);background:var(--bg-card)}
.table thead th{
  background:#0f172a;color:rgba(255,255,255,.85);border:none !important;
  padding:11px 16px;font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;
}
.table tbody tr{transition:background .12s}
.table tbody tr:hover td{background:var(--bg-card2) !important}
.table tbody td{padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:middle;color:var(--text-primary);font-size:13px}
.table tbody tr:last-child td{border-bottom:none}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;font-size:11.5px;font-weight:600;letter-spacing:.01em}
.badge::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.65}
.badge.bg-success{background:#dcfce7;color:#15803d}
.badge.bg-danger{background:#fee2e2;color:#dc2626}
.badge.bg-primary{background:#dbeafe;color:#1d4ed8}
.badge.bg-warning{background:#fef3c7;color:#b45309}
.badge.bg-secondary{background:#f1f5f9;color:#64748b}
.badge.bg-info{background:#e0f2fe;color:#0369a1}
.badge.bg-dark{background:#1e293b;color:#e2e8f0}
.badge-webhook{background:#ede9fe;color:#6d28d9;display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;font-size:11.5px;font-weight:600}
.badge-webhook::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.65}

/* BOTONES */
.btn{font-family:var(--font-sans);font-weight:500;font-size:13.5px;border-radius:var(--radius-sm);padding:8px 18px;transition:all .15s;cursor:pointer}
.btn-primary{background:var(--brand-accent);border-color:var(--brand-accent);color:#fff;box-shadow:0 1px 6px rgba(37,99,235,.22)}
.btn-primary:hover{background:#1d4ed8;border-color:#1d4ed8;color:#fff;box-shadow:0 4px 12px rgba(37,99,235,.32);transform:translateY(-1px)}
.btn-secondary{background:transparent;border:1px solid var(--border);color:var(--text-secondary)}
.btn-secondary:hover{background:var(--bg-card2);color:var(--text-primary)}
.btn-danger{background:var(--brand-red);border-color:var(--brand-red);color:#fff}
.btn-danger:hover{background:var(--brand-red-dark);border-color:var(--brand-red-dark);color:#fff}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-info{background:#0ea5e9;border-color:#0ea5e9;color:#fff}
.btn-info:hover{background:#0284c7;border-color:#0284c7;color:#fff}
.btn-success{background:#16a34a;border-color:#16a34a;color:#fff}
.btn-success:hover{background:#15803d;border-color:#15803d;color:#fff}

/* FORMS */
.form-control,.form-select{
  min-height:44px;border-radius:var(--radius-sm);border:1px solid var(--border);
  font-family:var(--font-sans);font-size:14px;color:var(--text-primary);
  background:var(--bg-card);transition:border-color .15s,box-shadow .15s;padding:10px 14px;
}
.form-control:focus,.form-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(37,99,235,.12);outline:none}
.form-label{font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:6px}
.form-text{font-size:12px;color:var(--text-muted);margin-top:5px}
textarea.form-control{resize:vertical;min-height:120px}

/* ALERTS */
.alert{border-radius:var(--radius-md);padding:12px 16px;font-size:13.5px;border:1px solid transparent}
.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.alert-danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}

/* FILTER BAR */
.filter-bar{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px 20px;display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:20px;
}
.filter-bar .form-group{display:flex;flex-direction:column;gap:4px;flex:1;min-width:160px}
.filter-bar label{font-size:11.5px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}

/* PHONE PREVIEW */
.sms-layout-with-phone{display:flex;gap:32px;align-items:flex-start}
.sms-form-side{flex:1;min-width:0}
.sms-preview-phone{width:280px;flex-shrink:0;position:sticky;top:calc(var(--topbar-h) + 24px);align-self:flex-start}
.phone-frame{
  width:280px;background:#1a1a2e;border-radius:38px;padding:9px;
  box-shadow:0 0 0 2px #2a2a3e,0 0 0 4px #111,var(--shadow-lg);
}
.phone-inner{background:#f5f5f5;border-radius:30px;overflow:hidden;min-height:540px;display:flex;flex-direction:column}
.phone-notch-bar{background:#1a1a2e;height:32px;display:flex;align-items:flex-start;justify-content:center}
.phone-notch{width:90px;height:20px;background:#0d0d1a;border-radius:0 0 14px 14px}
.phone-status-bar{
  background:#fff;padding:6px 14px 4px;display:flex;justify-content:space-between;
  align-items:center;font-size:9.5px;font-weight:600;color:#111;border-bottom:1px solid #e8e8e8;
}
.phone-chat-header{
  background:#fff;padding:9px 14px;display:flex;align-items:center;gap:9px;
  border-bottom:1px solid #e8e8e8;box-shadow:0 1px 4px rgba(0,0,0,.06);
}
.phone-contact-avatar{
  width:34px;height:34px;background:linear-gradient(135deg,var(--brand-accent),#7c3aed);
  border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;
}
.phone-contact-info strong{display:block;font-size:12.5px;font-weight:700;color:#111}
.phone-contact-info span{font-size:9.5px;color:#4caf50}
.phone-messages{
  flex:1;padding:12px 10px;display:flex;flex-direction:column;gap:8px;
  min-height:340px;background:#ece5dd;
}
.phone-msg-date{
  text-align:center;font-size:9.5px;color:#777;background:rgba(255,255,255,.65);
  padding:2px 10px;border-radius:99px;align-self:center;margin-bottom:2px;
}
.phone-bubble{
  background:#fff;border-radius:16px 16px 16px 4px;padding:9px 13px;max-width:92%;
  align-self:flex-start;box-shadow:0 1px 4px rgba(0,0,0,.1);font-size:12.5px;
  color:#111;line-height:1.5;word-break:break-word;
}
.phone-bubble-sender{font-size:9.5px;font-weight:700;color:var(--brand-accent);margin-bottom:3px;text-transform:uppercase;letter-spacing:.04em}
.phone-bubble-time{font-size:9.5px;color:#aaa;text-align:right;margin-top:3px}
.phone-bubble-empty{color:#ccc;font-style:italic;font-size:11.5px;text-align:center;padding:24px 0}
.phone-input-bar{
  background:#f5f5f5;padding:7px 10px;display:flex;gap:7px;align-items:center;border-top:1px solid #e0e0e0;
}
.phone-input-bar span{flex:1;background:#fff;border-radius:20px;padding:7px 12px;font-size:11px;color:#ccc;border:1px solid #e0e0e0}
.phone-send-btn{width:30px;height:30px;border-radius:50%;background:#4caf50;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}

/* SMS COUNTER */
.sms-counter-bar{
  background:var(--bg-card2);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:9px 14px;display:flex;align-items:center;justify-content:space-between;margin-top:8px;
}
.sms-counter-chars{font-size:13px;color:var(--text-secondary)}
.sms-counter-chars strong{color:var(--text-primary)}
.sms-counter-badge{background:var(--brand-accent);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:99px}
.sms-counter-badge.warning{background:#f59e0b}
.sms-counter-badge.danger{background:#ef4444}

/* DASHBOARD */
.dashboard-bg{min-height:78vh}
.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}
.metric-card{
  background:var(--bg-card);border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:box-shadow .2s,transform .2s;
}
.metric-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.metric-number{font-size:36px;font-weight:800;color:var(--brand-blue);line-height:1;letter-spacing:-.04em}
.metric-label{margin-top:8px;color:var(--text-muted);font-size:13px;font-weight:500}
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.quick-card{
  background:var(--bg-card2);border-radius:var(--radius-md);padding:20px 14px;text-align:center;
  border:1px solid var(--border);cursor:pointer;transition:all .2s;text-decoration:none;display:block;color:inherit;
}
.quick-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--brand-accent);color:inherit;text-decoration:none}
.quick-card h5{margin-top:10px;margin-bottom:0;color:var(--text-primary);font-size:13.5px;font-weight:600}
.quick-icon{width:48px;height:48px;margin:0 auto;border-radius:12px;display:grid;place-items:center;font-size:20px}
.icon-blue{background:#dbeafe}.icon-green{background:#dcfce7}.icon-purple{background:#ede9fe}.icon-orange{background:#ffedd5}

/* LOGIN */
.login-page{min-height:100vh;background:linear-gradient(135deg,#f0f4fa 0%,#e8eef8 100%);display:flex;align-items:center;justify-content:center;padding:30px}
.login-card-472{width:100%;max-width:1060px;display:grid;grid-template-columns:1fr 1fr;background:var(--bg-card);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
.login-left{
  background:linear-gradient(160deg,var(--brand-navy) 0%,var(--brand-blue) 55%,var(--brand-red-dark) 100%);
  color:#fff;padding:52px 42px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;
}
.login-left::before{content:'';position:absolute;top:-80px;right:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.04)}
.login-left::after{content:'';position:absolute;bottom:-60px;left:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.03)}
.login-left h2{font-size:36px;font-weight:800;margin-bottom:12px;letter-spacing:-.04em;position:relative;z-index:1}
.login-left p{font-size:16px;line-height:1.6;color:rgba(255,255,255,.72);max-width:340px;position:relative;z-index:1}
.login-right{padding:48px 50px;display:flex;flex-direction:column;justify-content:center}
.login-brand{text-align:center;margin-bottom:28px}
.login-brand img{max-width:130px;margin-bottom:14px}
.login-title{color:var(--text-primary);font-size:26px;font-weight:800;text-align:center;margin-bottom:28px;letter-spacing:-.03em}
.btn-login-472{
  width:100%;background:var(--brand-accent);border:none;color:#fff;border-radius:var(--radius-sm);
  min-height:48px;font-weight:700;font-size:15px;font-family:var(--font-sans);
  transition:all .15s;cursor:pointer;box-shadow:0 2px 8px rgba(37,99,235,.22);
}
.btn-login-472:hover{background:#1d4ed8;color:#fff;box-shadow:0 4px 16px rgba(37,99,235,.32);transform:translateY(-1px)}
.login-footer{text-align:center;margin-top:24px;color:var(--text-muted);font-size:12px}

/* RESPONSIVE */
@media(max-width:991px){
  :root{--sidebar-w:0px}
  .sidebar-472{transform:translateX(-252px)}
  .sidebar-472.open{transform:translateX(0);width:252px}
  .main-wrapper{margin-left:0}
  .sidebar-toggle{display:flex}
  .dashboard-grid{grid-template-columns:1fr 1fr}
  .sms-preview-phone{display:none}
  .sms-layout-with-phone{flex-direction:column}
}
@media(max-width:768px){
  .content-472{padding:16px}
  .topbar-472{padding:0 16px}
  .dashboard-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .login-card-472{grid-template-columns:1fr}
  .login-left{min-height:160px;padding:28px}
  .login-left h2{font-size:24px}
  .card-soft,.form-shell{padding:18px}
}