/* =========================================================
   Atlantic Bank — Design Tokens
   Theme: "The Ledger" — a coastal trading-house bank register.
   Ink navy + deep teal + a signal-gold foil accent, paired
   with a tabular-mono ledger typeface for every amount and
   account number so money always reads the same way, everywhere.
   ========================================================= */
:root {
  --ink-navy: #0E1F33;
  --ink-navy-2: #16304D;
  --deep-teal: #0B3D3A;
  --paper: #EEF1EC;
  --paper-raised: #FFFFFF;
  --slate: #55677A;
  --slate-light: #8B99A7;
  --signal-gold: #C89B3C;
  --signal-gold-soft: #E7D6A6;
  --success: #1F7A5C;
  --danger: #B3432B;
  --border: #DADFE0;
  --radius: 10px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-ledger: 'IBM Plex Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-navy);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 .5em; font-weight: 600; letter-spacing: -0.01em; }
a { color: inherit; text-decoration: none; }
.ledger-num { font-family: var(--font-ledger); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }

/* ---- Sandbox banner ---- */
.sandbox-banner {
  background: var(--ink-navy);
  color: var(--signal-gold-soft);
  font-family: var(--font-ledger);
  font-size: 12.5px;
  text-align: center;
  padding: 7px 12px;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--signal-gold);
}
.sandbox-banner strong { color: var(--signal-gold); }

/* ---- Top nav (public site) ---- */
.topnav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px; background: var(--paper);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--ink-navy); }
.brand .mark { width: 34px; height: 34px; }
.topnav nav { display: flex; gap: 28px; font-size: 14.5px; }
.topnav nav a { color: var(--slate); transition: color .15s; }
.topnav nav a:hover { color: var(--ink-navy); }
.nav-cta { display: flex; gap: 10px; }

.btn {
  display: inline-block; padding: 10px 20px; border-radius: 6px;
  font-size: 14px; font-weight: 600; cursor: pointer; border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink-navy); color: #fff; }
.btn-primary:hover { box-shadow: 0 4px 14px rgba(14,31,51,0.25); }
.btn-gold { background: var(--signal-gold); color: var(--ink-navy); }
.btn-gold:hover { box-shadow: 0 4px 14px rgba(200,155,60,0.35); }
.btn-outline { background: transparent; border-color: var(--ink-navy); color: var(--ink-navy); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-block { width: 100%; text-align: center; }

/* ---- Hero ---- */
.hero {
  padding: 90px 40px 60px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center;
  max-width: 1200px; margin: 0 auto;
}
.hero .eyebrow { font-family: var(--font-ledger); font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal-gold); border-bottom: 2px solid var(--signal-gold); display: inline-block; padding-bottom: 4px; margin-bottom: 18px;}
.hero h1 { font-size: 46px; line-height: 1.08; color: var(--ink-navy); }
.hero p.lede { font-size: 17px; color: var(--slate); max-width: 46ch; margin-top: 16px; }
.hero-actions { display:flex; gap: 14px; margin-top: 30px; }

.ledger-card {
  background: var(--paper-raised); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; box-shadow: 0 20px 40px -25px rgba(14,31,51,0.35);
}
.ledger-card .row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.ledger-card .row:last-child { border-bottom: none; }
.ledger-card .balance { font-size: 30px; font-weight: 700; }

/* ---- Sections ---- */
.section { max-width: 1200px; margin: 0 auto; padding: 60px 40px; }
.section-head { max-width: 60ch; margin-bottom: 36px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-card {
  background: var(--paper-raised); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px;
}
.feature-card .num { font-family: var(--font-ledger); color: var(--signal-gold); font-size: 13px; }
.feature-card h3 { font-size: 17px; margin: 8px 0 6px; }
.feature-card p { color: var(--slate); font-size: 13.8px; margin: 0; }

footer.site-footer { background: var(--ink-navy); color: #C9D2DB; padding: 50px 40px 24px; margin-top: 40px; }
footer.site-footer .cols { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
footer.site-footer h4 { color: #fff; font-size: 14px; }
footer.site-footer a { color: #9FB0C0; font-size: 13.5px; display:block; margin-bottom: 8px; }
footer.site-footer .fine { max-width: 1200px; margin: 30px auto 0; border-top: 1px solid #22405C; padding-top: 18px; font-size: 12px; color: #7E90A2; }

/* ---- Auth pages ---- */
.auth-wrap { min-height: 80vh; display: flex; align-items: center; justify-content: center; padding: 40px; }
.auth-card { width: 100%; max-width: 420px; background: var(--paper-raised); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; box-shadow: 0 20px 50px -30px rgba(14,31,51,0.4); }
.auth-card h2 { margin-bottom: 4px; }
.auth-card .sub { color: var(--slate); font-size: 13.5px; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink-navy-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: var(--font-body); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--signal-gold); outline-offset: 1px; border-color: var(--signal-gold); }
.field .hint { font-size: 12px; color: var(--slate-light); margin-top: 4px; }
.auth-foot { text-align: center; margin-top: 18px; font-size: 13.5px; color: var(--slate); }
.alert { padding: 12px 14px; border-radius: 6px; font-size: 13.5px; margin-bottom: 16px; }
.alert-error { background: #FBEAE6; color: var(--danger); border: 1px solid #F0C7BC; }
.alert-success { background: #E7F3EE; color: var(--success); border: 1px solid #BFE0D2; }
.alert-info { background: #EAF0F6; color: var(--ink-navy-2); border: 1px solid #C9D8E6; }

/* ---- App shell (post-login) ---- */
.app-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--ink-navy); color: #C9D2DB; padding: 24px 0; position: sticky; top: 0; height: 100vh; overflow-y:auto; }
.sidebar .brand-mini { padding: 0 22px 20px; font-family: var(--font-display); font-size: 19px; color: #fff; border-bottom: 1px solid #22405C; margin-bottom: 12px;}
.sidebar .tab {
  display: flex; align-items: center; gap: 10px; padding: 10px 22px; font-size: 13.8px; color: #AEBDCB;
  border-left: 3px solid transparent;
}
.sidebar .tab:hover { background: rgba(255,255,255,0.04); color: #fff; }
.sidebar .tab.active { border-left-color: var(--signal-gold); color: #fff; background: rgba(255,255,255,0.05); }
.sidebar .group-label { padding: 16px 22px 6px; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.1em; color: #6F84A0; }

.app-main { padding: 26px 34px 60px; }
.app-topbar { display:flex; align-items:center; justify-content: space-between; margin-bottom: 24px; }
.app-topbar h1 { font-size: 22px; }
.app-topbar .meta { color: var(--slate); font-size: 13px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 26px; }
.stat-card { background: var(--paper-raised); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-card .label { font-size: 12px; color: var(--slate); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .value { font-size: 22px; font-weight: 700; margin-top: 6px; }
.stat-card .value.small {font-size: 17px;}

.panel { background: var(--paper-raised); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 22px; }
.panel h2 { font-size: 16px; margin-bottom: 14px; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 13.6px; }
table.data-table th { text-align: left; color: var(--slate); font-weight: 600; padding: 9px 8px; border-bottom: 2px solid var(--border); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
table.data-table td { padding: 11px 8px; border-bottom: 1px solid var(--border); }
.badge { display: inline-block; padding: 3px 9px; border-radius: 30px; font-size: 11.5px; font-weight: 600; }
.badge-credit { background: #E7F3EE; color: var(--success); }
.badge-debit { background: #FBEAE6; color: var(--danger); }
.badge-pending { background: #FCF3DC; color: #8A6816; }
.badge-completed { background: #E7F3EE; color: var(--success); }
.badge-active { background: #E7F3EE; color: var(--success); }
.badge-frozen { background: #EAF0F6; color: var(--ink-navy-2); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.progress { height: 8px; background: var(--border); border-radius: 6px; overflow: hidden; margin-top: 8px;}
.progress > div { height: 100%; background: var(--signal-gold); }

.debit-card {
  border-radius: 14px; padding: 20px; color: #fff; position: relative; min-height: 150px;
  background: linear-gradient(135deg, var(--ink-navy), var(--deep-teal));
  display: flex; flex-direction: column; justify-content: space-between;
}
.debit-card.frozen { filter: grayscale(0.8) brightness(0.8); }
.debit-card .top { display:flex; justify-content: space-between; align-items:flex-start; font-size: 12px; opacity: .8;}
.debit-card .num { font-family: var(--font-ledger); font-size: 16.5px; letter-spacing: 0.08em; }
.debit-card .bottom { display:flex; justify-content: space-between; font-size: 12px; }
.card-toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 13.8px;}

.switch { position: relative; display: inline-block; width: 40px; height: 22px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; inset:0; background-color: #ccc; transition: .2s; border-radius: 22px; }
.slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 3px; bottom: 3px; background-color: white; transition: .2s; border-radius: 50%; }
input:checked + .slider { background-color: var(--signal-gold); }
input:checked + .slider:before { transform: translateX(18px); }

.tag-chip { display:inline-block; background: var(--paper); border:1px solid var(--border); padding: 4px 10px; border-radius: 20px; font-size: 12px; margin-right:6px; }

/* ---- Floating chatbot ---- */
#atb-chat-launcher {
  position: fixed; bottom: 22px; right: 22px; width: 58px; height: 58px; border-radius: 50%;
  background: var(--ink-navy); color: var(--signal-gold); display: flex; align-items:center; justify-content:center;
  cursor: pointer; box-shadow: 0 10px 25px rgba(14,31,51,0.4); z-index: 9999; border: 2px solid var(--signal-gold);
  transition: transform .15s ease;
}
#atb-chat-launcher:hover { transform: scale(1.06); }
#atb-chat-window {
  position: fixed; bottom: 90px; right: 22px; width: 340px; max-width: calc(100vw - 32px); height: 460px;
  background: var(--paper-raised); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 20px 60px rgba(14,31,51,0.35);
  display: none; flex-direction: column; overflow: hidden; z-index: 9999;
}
#atb-chat-window.open { display: flex; }
#atb-chat-header { background: var(--ink-navy); color: #fff; padding: 14px 16px; display:flex; justify-content:space-between; align-items:center; }
#atb-chat-header .title { font-family: var(--font-display); font-size: 15px; }
#atb-chat-header .status { font-size: 11px; color: var(--signal-gold-soft); }
#atb-chat-body { flex: 1; overflow-y: auto; padding: 14px; display:flex; flex-direction:column; gap:10px; background: var(--paper); }
.atb-msg { max-width: 82%; padding: 9px 12px; border-radius: 12px; font-size: 13.3px; line-height:1.4; }
.atb-msg.bot { background: #fff; border: 1px solid var(--border); align-self:flex-start; border-bottom-left-radius:2px; }
.atb-msg.user { background: var(--ink-navy); color: #fff; align-self:flex-end; border-bottom-right-radius:2px; }
#atb-chat-suggestions { display:flex; flex-wrap:wrap; gap:6px; padding: 0 14px 10px; background: var(--paper); }
#atb-chat-suggestions button { font-size: 11.5px; padding: 5px 10px; border-radius: 14px; border:1px solid var(--border); background:#fff; cursor:pointer; }
#atb-chat-form { display:flex; border-top: 1px solid var(--border); }
#atb-chat-form input { flex:1; border:none; padding: 12px 14px; font-size: 13.5px; }
#atb-chat-form input:focus { outline: none; }
#atb-chat-form button { background: var(--signal-gold); border:none; padding: 0 18px; cursor:pointer; font-weight:700; color: var(--ink-navy); }

/* ---- Language switcher ---- */
#atb-lang-switch { position: relative; }
#atb-lang-switch select { padding: 7px 10px; border-radius: 6px; border: 1px solid var(--border); font-size: 12.5px; background: #fff; }
#google_translate_element { display:none; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding: 50px 22px; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display:none; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .topnav nav { display:none; }
  footer.site-footer .cols { grid-template-columns: 1fr 1fr; }
}