:root{
  --navy:#0b2745;
  --navy-2:#12395f;
  --orange:#f47a20;
  --orange-soft:#fff2e8;
  --bg:#f4f7fb;
  --card:#ffffff;
  --line:#dfe7f0;
  --text:#10243d;
  --muted:#64748b;
  --green:#0e9f6e;
  --red:#d6455d;
  --yellow:#ca7a12;
  --blue:#3567d6;
  --shadow:0 14px 40px rgba(14,39,69,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}
a{color:inherit}
.hidden{display:none!important}
.boot-screen{min-height:100vh;display:grid;place-content:center;text-align:center}
.boot-logo{font-size:2rem;font-weight:950;color:var(--navy)}
.boot-logo span,.brand span{color:var(--orange)}
.app-layout{min-height:100vh;display:grid;grid-template-columns:272px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,#071f39,#10375b);color:#fff;padding:22px 16px;display:flex;flex-direction:column;z-index:50}
.brand{font-size:1.35rem;font-weight:950;padding:0 10px 18px}
.workspace{margin:0 8px 18px;padding:12px;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:rgba(255,255,255,.06)}
.workspace small{display:block;color:#9fb6ca;text-transform:uppercase;font-weight:900;font-size:.68rem;letter-spacing:.08em}
.workspace strong{display:block;margin-top:5px}
.nav{display:grid;gap:5px}
.nav a{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:13px;text-decoration:none;font-weight:850;color:#d5e2ee}
.nav a:hover,.nav a.active{background:rgba(255,255,255,.11);color:#fff}
.nav-icon{width:25px;height:25px;border-radius:9px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:.82rem}
.sidebar-bottom{margin-top:auto;padding:14px 8px 0;border-top:1px solid rgba(255,255,255,.12)}
.sidebar-bottom button{width:100%}
.main{min-width:0}
.mobile-header{display:none}
.page{width:min(1280px,calc(100% - 42px));margin:auto;padding:28px 0 70px}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:20px}
.page-head h1{font-size:2.25rem;letter-spacing:-.04em;margin:0;color:var(--navy)}
.page-head p{margin:.55rem 0 0;color:var(--muted);line-height:1.5}
.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.btn{border:0;border-radius:999px;padding:11px 17px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn-primary{background:var(--orange);color:#fff}
.btn-dark{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn-danger{background:#fff0f2;color:#b4233d;border:1px solid #ffd1d9}
.btn-small{padding:8px 11px;font-size:.78rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.metric span{display:block;color:var(--muted);font-size:.75rem;font-weight:950;text-transform:uppercase;letter-spacing:.05em}
.metric strong{display:block;margin-top:9px;font-size:2rem;color:var(--navy)}
.metric small{display:block;margin-top:6px;color:var(--muted)}
.hero{padding:28px;background:radial-gradient(circle at 85% 15%,rgba(244,122,32,.22),transparent 34%),linear-gradient(135deg,#082440,#143c64);color:#fff;border-radius:26px;box-shadow:var(--shadow);margin-bottom:18px}
.hero h1{margin:0;font-size:2.4rem;letter-spacing:-.04em}
.hero p{color:#d1dfeb;max-width:780px;line-height:1.6}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:28px 0 13px}
.section-head h2{margin:0;color:var(--navy)}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:840px}
th,td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.status{display:inline-block;border-radius:999px;padding:6px 9px;font-size:.74rem;font-weight:950}
.status-sent,.status-delivered{background:#eafaf3;color:#08724e}
.status-processing,.status-queued,.status-retry{background:#fff4e6;color:#b95a06}
.status-failed{background:#fff0f2;color:#b4233d}
.status-draft,.status-skipped{background:#edf2f7;color:#536579}
.filters{display:grid;grid-template-columns:minmax(260px,1fr) 180px;gap:10px;margin:16px 0}
.filters input,.filters select,.form-control{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:13px;background:#fff;color:var(--text)}
.customer-list{padding:0;overflow:hidden}
.customer-row{display:grid;grid-template-columns:48px minmax(190px,1.05fr) 95px 90px 135px minmax(190px,.9fr) 190px;gap:13px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}
.customer-row:last-child{border-bottom:0}
.customer-row.clickable{cursor:pointer}
.customer-row.clickable:hover{background:#f8fafc;box-shadow:inset 4px 0 0 var(--orange)}
.rank{width:40px;height:40px;border-radius:13px;background:#edf2f7;display:grid;place-items:center;font-weight:950;color:var(--navy)}
.customer-name{font-weight:950;color:var(--navy);text-decoration:none}
.customer-name:hover{color:var(--orange);text-decoration:underline}
.sub{display:block;color:var(--muted);font-size:.8rem;margin-top:3px;line-height:1.35}
.field-label{display:block;color:var(--muted);font-size:.68rem;font-weight:950;text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px}
.row-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.priority-critical{background:#fff0e8;color:#bb4205}
.priority-high{background:#fff6dc;color:#9a6105}
.priority-medium{background:#edf4ff;color:#2455ae}
.priority-low{background:#eafaf3;color:#08724e}
.queue-row{display:grid;grid-template-columns:45px minmax(210px,1.2fr) 110px 135px minmax(170px,.8fr) 180px;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.queue-row:last-child{border-bottom:0}
.empty{text-align:center;padding:42px 20px;color:var(--muted)}
.notice{padding:14px 16px;border-radius:14px;margin-bottom:15px}
.notice-error{background:#fff0f2;color:#a61f37;border:1px solid #ffd1d9}
.notice-success{background:#eafaf3;color:#08724e;border:1px solid #b6ebd6}
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#f4f7fb}
.auth-brand{padding:8vw;background:radial-gradient(circle at 70% 20%,rgba(244,122,32,.28),transparent 30%),linear-gradient(140deg,#061d35,#123c64);color:#fff;display:flex;flex-direction:column;justify-content:center}
.auth-brand h1{font-size:3.2rem;letter-spacing:-.05em;max-width:650px}
.auth-brand p{font-size:1.1rem;color:#cbdbe8;max-width:620px;line-height:1.7}
.auth-panel{display:grid;place-items:center;padding:30px}
.auth-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow)}
.auth-card h2{font-size:2rem;margin-top:0;color:var(--navy)}
.auth-card label{display:block;font-weight:900;margin:14px 0 7px}
.auth-card .btn{width:100%;margin-top:16px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
textarea.form-control{min-height:120px}
.kpi-line{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid var(--line)}
.kpi-line:last-child{border-bottom:0}
.chart-bars{display:grid;gap:11px}
.bar-row{display:grid;grid-template-columns:130px 1fr 62px;gap:10px;align-items:center}
.bar-track{height:11px;background:#e7edf4;border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:var(--orange);border-radius:999px}
.mobile-overlay{display:none}
@media(max-width:1180px){
  .customer-row{grid-template-columns:45px minmax(190px,1fr) 90px 80px 125px minmax(180px,.8fr)}
  .customer-row .row-actions{grid-column:2 / -1;justify-content:flex-start}
  .queue-row{grid-template-columns:45px minmax(200px,1fr) 110px 130px}
  .queue-row .queue-action,.queue-row .row-actions{grid-column:2/-1}
  .queue-row .row-actions{justify-content:flex-start}
}
@media(max-width:980px){
  .app-layout{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-290px;width:272px;transition:left .2s}
  .sidebar.open{left:0}
  .mobile-header{display:flex;position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line);padding:12px 18px;align-items:center;justify-content:space-between}
  .mobile-overlay.show{display:block;position:fixed;inset:0;background:rgba(3,17,31,.44);z-index:45}
  .grid-4,.grid-3{grid-template-columns:1fr 1fr}
  .auth{grid-template-columns:1fr}
  .auth-brand{display:none}
}
@media(max-width:740px){
  .page{width:min(100% - 24px,1280px);padding-top:20px}
  .page-head{flex-direction:column}
  .actions{justify-content:flex-start}
  .grid-4,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}
  .filters{grid-template-columns:1fr}
  .customer-row{grid-template-columns:42px minmax(0,1fr);align-items:start}
  .customer-row > *:not(.rank):not(.customer-main){grid-column:2}
  .customer-row .row-actions{grid-column:2;display:grid;grid-template-columns:1fr}
  .queue-row{grid-template-columns:42px minmax(0,1fr);align-items:start}
  .queue-row > *:not(.rank):not(.queue-main){grid-column:2}
  .bar-row{grid-template-columns:100px 1fr 50px}
}


/* Sprint 3.2.1 Communications Center */
.communications-providers .provider-card{display:flex;align-items:center;gap:13px;min-height:92px}
.provider-card strong,.provider-card small{display:block}.provider-card small{margin-top:4px;color:var(--muted)}
.provider-dot{width:13px;height:13px;border-radius:50%;background:#94a3b8;box-shadow:0 0 0 5px rgba(148,163,184,.15)}
.provider-dot.healthy{background:var(--green);box-shadow:0 0 0 5px rgba(14,159,110,.14)}
.provider-dot.waiting{background:#d99114;box-shadow:0 0 0 5px rgba(217,145,20,.14)}
.provider-dot.offline{background:var(--red);box-shadow:0 0 0 5px rgba(214,69,93,.14)}
.communications-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:22px 0 12px}
.channel-tabs{display:flex;gap:7px;flex-wrap:wrap}.channel-tabs a{padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-weight:900;color:var(--navy)}
.channel-tabs a.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.channel-badge{display:inline-block;padding:6px 9px;border-radius:999px;font-size:.72rem;font-weight:950;text-transform:uppercase}
.channel-email{background:#edf4ff;color:#2455ae}.channel-sms{background:#eafaf3;color:#08724e}
.message-snippet{max-width:360px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.error-text{max-width:220px;color:#a61f37}
@media(max-width:740px){.communications-toolbar{align-items:flex-start;flex-direction:column}}