/* ══════════════════════════════════════════════
   Outstanding Payment Manager — style.css
   Design: Clean teal/dark, EasyLedger-compatible
══════════════════════════════════════════════ */

:root {
  --bg:   #f0f4f8;
  --bg2:  #ffffff;
  --bd:   #d1dbe8;
  --tx:   #1a2332;
  --tx2:  #64748b;
  --tl:   #0d9488;
  --tl2:  #ccfbf1;
  --am:   #d97706;
  --am2:  #fef3c7;
  --rd:   #dc2626;
  --rd2:  #fee2e2;
  --gn:   #059669;
  --gn2:  #d1fae5;
  --bl:   #2563eb;
  --bl2:  #dbeafe;
  --pu:   #7c3aed;
  --r:    8px;
  --sh:   0 2px 12px rgba(0,0,0,.08);
  --sh2:  0 4px 20px rgba(0,0,0,.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body { background: var(--bg); color: var(--tx); font-family: 'DM Sans', sans-serif; min-height: 100vh; }
a { color: var(--tl); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, select, textarea {
  font-family: inherit; background: var(--bg2); border: 1px solid var(--bd);
  color: var(--tx); border-radius: var(--r); padding: 7px 10px;
  outline: none; transition: border .2s; width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--tl); box-shadow: 0 0 0 3px var(--tl2);
}
table { border-collapse: collapse; width: 100%; }
th {
  background: #f8fafc; color: var(--tx2); font-weight: 600;
  font-size: .73rem; letter-spacing: .05em; text-transform: uppercase;
  padding: 9px 11px; text-align: left; border-bottom: 1px solid var(--bd);
}
td { padding: 8px 11px; border-bottom: 1px solid #eef2f7; font-size: .86rem; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bd); border-radius: 3px; }

/* ── LOGIN ──────────────────────────────────── */
#loginPage {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027 0%, #0d4a47 50%, #1a2332 100%);
  padding: 16px;
}
.login-box {
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255,255,255,.18);
  border-radius: 18px;
  padding: 36px 28px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 8px 40px rgba(0,0,0,.35);
}
.login-logo { text-align: center; margin-bottom: 20px; }
.login-logo h1 { font-size: 1.4rem; font-weight: 700; color: #fff; }
.login-logo p  { color: rgba(255,255,255,.6); font-size: .78rem; margin-top: 3px; }
.login-logo .logo-icon { font-size: 2.5rem; display: block; margin-bottom: 6px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: .78rem; font-weight: 600; margin-bottom: 5px; }

/* Login inputs — glass style */
#loginPage input {
  background: rgba(255,255,255,.12) !important;
  border: 1.5px solid rgba(255,255,255,.2) !important;
  color: #fff !important;
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
}
#loginPage input::placeholder { color: rgba(255,255,255,.4) !important; }
#loginPage input:focus {
  border-color: var(--tl) !important;
  box-shadow: 0 0 0 3px rgba(13,148,136,.3) !important;
  outline: none;
}

#loginErr { display: none; background: rgba(220,38,38,.15); border: 1px solid rgba(220,38,38,.4); color: #fca5a5; border-radius: var(--r); padding: 9px 12px; font-size: .82rem; margin-bottom: 12px; }

/* ── APP SHELL ──────────────────────────────── */
#mainApp { display: none; flex-direction: row; min-height: 100vh; }

/* ── SIDEBAR ────────────────────────────────── */
#sb {
  width: 220px; min-height: 100vh; background: #1a2332; color: #fff;
  display: flex; flex-direction: column; flex-shrink: 0; transition: transform .25s;
}
.sb-brand { padding: 18px 16px 12px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sb-brand h2 { font-size: .92rem; font-weight: 700; color: #fff; line-height: 1.3; }
.sb-brand p  { font-size: .68rem; color: rgba(255,255,255,.5); margin-top: 2px; }
.sb-user { padding: 12px 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sb-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--tl); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .88rem; flex-shrink: 0; }
.sb-info { flex: 1; min-width: 0; }
#sidebarName { display: block; font-size: .82rem; font-weight: 600; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#sidebarRole { font-size: .68rem; color: rgba(255,255,255,.5); }
.sb-nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.nav-link {
  display: flex; align-items: center; gap: 10px; padding: 9px 16px;
  color: rgba(255,255,255,.7); font-size: .84rem; cursor: pointer;
  border-radius: 0; transition: all .15s;
}
.nav-link:hover  { background: rgba(255,255,255,.08); color: #fff; }
.nav-link.active { background: var(--tl); color: #fff; }
.nav-ic { width: 20px; text-align: center; font-size: .9rem; }
.nav-sep { padding: 14px 16px 4px; font-size: .65rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.35); }
.sb-footer { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.1); }
.sb-footer button { background: rgba(255,255,255,.1); color: rgba(255,255,255,.8); border-radius: var(--r); padding: 8px 12px; width: 100%; font-size: .8rem; }
.sb-footer button:hover { background: rgba(255,255,255,.18); }

/* ── MAIN AREA ──────────────────────────────── */
#mainContent { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 52px; background: var(--bg2); border-bottom: 1px solid var(--bd);
  display: flex; align-items: center; padding: 0 20px; gap: 12px; position: sticky; top: 0; z-index: 100;
}
#hb { display: none; background: none; font-size: 1.1rem; padding: 6px; }
#pageTitle { font-size: 1rem; font-weight: 700; flex: 1; }
.topbar-actions { display: flex; gap: 8px; }
#pageBody { flex: 1; padding: 20px; overflow-y: auto; }
#loadingBar { height: 3px; background: var(--tl); display: none; }

/* ── CARDS & LAYOUT ─────────────────────────── */
.card { background: var(--bg2); border-radius: 12px; box-shadow: var(--sh); overflow: hidden; margin-bottom: 16px; }
.card-hd { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--bd); }
.card-hd h3, .card-hd h4 { font-size: .9rem; font-weight: 700; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tbl-wrap { overflow-x: auto; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat-card { background: var(--bg2); border-radius: 12px; padding: 14px 16px; box-shadow: var(--sh); border-left: 4px solid var(--tl); }
.stat-card.st-tl { border-left-color: var(--tl); }
.stat-card.st-am { border-left-color: var(--am); }
.stat-card.st-rd { border-left-color: var(--rd); }
.stat-card.st-pu { border-left-color: var(--pu); }
.stat-lbl { font-size: .72rem; color: var(--tx2); font-weight: 600; margin-bottom: 4px; }
.stat-val { font-size: 1.25rem; font-weight: 800; color: var(--tx); }
.stat-sub { font-size: .69rem; color: var(--tx2); margin-top: 2px; }

/* ── FILTER BAR ─────────────────────────────── */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 12px; }
.finput  { flex: 0 0 auto; width: auto; min-width: 140px; height: 34px; }
.fselect { flex: 0 0 auto; width: auto; min-width: 120px; height: 34px; }
.badge-count { font-size: .75rem; color: var(--tx2); background: var(--bg); padding: 2px 8px; border-radius: 20px; }

/* ── BUTTONS ─────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 5px; border-radius: var(--r); padding: 8px 14px; font-size: .84rem; font-weight: 600; transition: all .15s; cursor: pointer; white-space: nowrap; }
.bp  { background: var(--tl);  color: #fff; }
.bp:hover  { background: #0b7a70; }
.ba  { background: var(--am2); color: var(--am); border: 1px solid #fcd34d; }
.ba:hover  { background: #fde68a; }
.bs  { background: var(--bl2); color: var(--bl); border: 1px solid #93c5fd; }
.bs:hover  { background: #bfdbfe; }
.bd  { background: var(--rd2); color: var(--rd); border: 1px solid #fca5a5; }
.bd:hover  { background: #fecaca; }
.bg  { background: var(--gn2); color: var(--gn); border: 1px solid #6ee7b7; }
.bg:hover  { background: #a7f3d0; }
.bg_ { background: #e2e8f0; color: #475569; }
.bg_:hover { background: #cbd5e1; }
.bd_ { background: var(--rd2); color: var(--rd); }
.sm  { padding: 5px 10px !important; font-size: .77rem !important; }
.xs  { padding: 3px 8px  !important; font-size: .72rem !important; }

/* ── BADGES ──────────────────────────────────── */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 20px; font-size: .72rem; font-weight: 600; }
.badge.bg { background: var(--gn2); color: var(--gn); }
.badge.br { background: var(--rd2); color: var(--rd); }
.badge.ba { background: var(--am2); color: var(--am); }
.badge.bp { background: var(--tl2); color: var(--tl); }
.badge-row { display: flex; gap: 4px; flex-wrap: wrap; }
.tag { background: #e2e8f0; color: #475569; border-radius: 4px; padding: 1px 6px; font-size: .72rem; }

/* ── OVERDUE BADGES ──────────────────────────── */
.odl { background: var(--gn2); color: var(--gn); border-radius: 4px; padding: 1px 6px; font-size: .75rem; font-weight: 600; }
.odm { background: var(--am2); color: var(--am); border-radius: 4px; padding: 1px 6px; font-size: .75rem; font-weight: 600; }
.odh { background: var(--rd2); color: var(--rd); border-radius: 4px; padding: 1px 6px; font-size: .75rem; font-weight: 600; }

/* ── MISC ────────────────────────────────────── */
.lnk { color: var(--tl); cursor: pointer; font-weight: 600; }
.lnk:hover { text-decoration: underline; }
.tl-color { color: var(--tl); }
.mono { font-family: 'JetBrains Mono', monospace; }
.fw   { font-weight: 600; }
.muted { color: var(--tx2); }
.small { font-size: .79rem; }
.emp  { text-align: center; color: var(--tx2); padding: 28px; font-size: .86rem; }
.act-btns { display: flex; gap: 4px; flex-wrap: nowrap; }
.flex-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.g1 { gap: 4px; }
.mt1 { margin-top: 6px; }
.mt2 { margin-top: 12px; }
.mb2 { margin-bottom: 10px; }
.mb3 { margin-bottom: 14px; }
.txt-clip { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 140px; }
.err-box  { background: var(--rd2); color: var(--rd); border-radius: var(--r); padding: 12px 16px; }
.success-box { background: var(--gn2); color: var(--gn); border-radius: var(--r); padding: 14px 18px; margin-top: 14px; font-size: .88rem; line-height: 1.7; }
.warn-box { background: var(--am2); color: var(--am); border-radius: var(--r); padding: 14px 18px; margin-top: 14px; font-size: .88rem; }
.prog-box { background: #f1f5f9; border-radius: var(--r); padding: 14px; margin-top: 14px; font-size: .84rem; }

/* ── LOADING ─────────────────────────────────── */
.ld { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px; gap: 12px; }
.sp { width: 32px; height: 32px; border: 3px solid var(--bd); border-top-color: var(--tl); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── TOAST ───────────────────────────────────── */
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(60px); background: #1a2332; color: #fff; border-radius: var(--r); padding: 10px 18px; font-size: .84rem; opacity: 0; transition: all .25s; z-index: 9999; pointer-events: none; white-space: nowrap; }
.toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.s { background: var(--gn); }
.toast.e { background: var(--rd); }
.toast.w { background: var(--am); }

/* ── OVERLAY ─────────────────────────────────── */
#sov { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 200; }
#sov.on { display: block; }

/* ── MODALS ──────────────────────────────────── */
.modal { display: none; position: fixed; inset: 0; z-index: 300; align-items: flex-start; justify-content: center; overflow-y: auto; padding: 20px; background: rgba(0,0,0,.45); }
.modal.on { display: flex; }
.modal-box { background: var(--bg2); border-radius: 14px; width: 100%; max-width: 640px; box-shadow: var(--sh2); margin: auto; }
.modal-box.wide { max-width: 900px; }
.modal-hd { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--bd); }
.modal-hd h3 { font-size: .95rem; font-weight: 700; }
.modal-close { background: none; font-size: 1.2rem; color: var(--tx2); width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.modal-close:hover { background: var(--bg); }
.modal-body { padding: 20px; }
.modal-ft { padding: 14px 20px; border-top: 1px solid var(--bd); display: flex; gap: 8px; justify-content: flex-end; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: .76rem; font-weight: 600; color: var(--tx2); }
.form-group.full { grid-column: 1 / -1; }

/* ── CUSTOMER MODAL ──────────────────────────── */
.cust-header { padding-bottom: 14px; border-bottom: 1px solid var(--bd); margin-bottom: 14px; }
.cust-header h2 { font-size: 1.2rem; font-weight: 700; }

/* ── COMMUNICATION ───────────────────────────── */
.comm-entry { padding: 12px 0; border-bottom: 1px solid #eef2f7; }
.comm-entry:last-child { border-bottom: none; }
.comm-entry.first { background: linear-gradient(to right, var(--tl2), transparent); padding: 12px; border-radius: 8px; margin-bottom: 8px; }
.comm-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px; }
.comm-date { font-size: .73rem; color: var(--tx2); }
.comm-text { font-size: .85rem; margin: 4px 0; line-height: 1.5; }
.comm-by   { font-size: .72rem; color: var(--tx2); }
.chk-row   { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px solid #eef2f7; cursor: pointer; font-size: .84rem; }
.chk-row:last-child { border-bottom: none; }
.chk-row input { width: 16px; flex-shrink: 0; }

/* ── UPLOAD PAGE ─────────────────────────────── */
.upload-zone { border: 2px dashed var(--bd); border-radius: 12px; padding: 32px; text-align: center; cursor: pointer; transition: all .2s; margin-bottom: 14px; }
.upload-zone:hover { border-color: var(--tl); background: var(--tl2); }
.uz-icon { font-size: 2.5rem; margin-bottom: 8px; }
.upload-rule { display: flex; gap: 12px; align-items: flex-start; background: var(--tl2); border: 1px solid var(--tl); border-radius: 8px; padding: 12px; margin-bottom: 14px; }
.rule-icon { font-size: 1.4rem; }
.upload-formats { margin-bottom: 12px; }
.upload-preview { display: flex; gap: 12px; background: var(--bl2); border-radius: 8px; padding: 12px; margin-bottom: 8px; }
.up-stat { flex: 1; text-align: center; }
.up-stat .fw { font-size: 1.3rem; display: block; }

/* ── MOBILE TABS ─────────────────────────────── */
#mobileTabs { display: none; position: fixed; bottom: 0; left: 0; right: 0; height: 58px; background: var(--bg2); border-top: 1px solid var(--bd); display: none; flex-direction: row; z-index: 150; }
.mtab { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--tx2); font-size: .65rem; padding: 6px 0; cursor: pointer; }
.mtab.active { color: var(--tl); }
.mtab span:first-child { font-size: 1.1rem; }
.mtab-lb { font-size: .6rem; }

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 900px) {
  .stat-grid  { grid-template-columns: repeat(2, 1fr); }
  .two-col    { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  #sb { position: fixed; top: 0; left: 0; height: 100vh; z-index: 250; transform: translateX(-100%); }
  #sb.on { transform: translateX(0); }
  #sov { z-index: 240; }
  #hb { display: flex; }
  #mobileTabs { display: flex; }
  #pageBody { padding: 12px 12px 72px; }
  .topbar { padding: 0 12px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-val { font-size: 1rem; }
  .filter-bar { gap: 6px; }
  .finput, .fselect { width: 100%; min-width: unset; }
  .form-grid { grid-template-columns: 1fr; }
  .modal { padding: 8px; }
  .modal-box { max-width: 100%; }
  .act-btns { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
}