:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --card: #1a1a26;
  --border: #2a2a3e;
  --accent: #6c63ff;
  --accent2: #00e5a0;
  --accent3: #ff6b6b;
  --amber: #ffc947;
  --text: #f0f0ff;
  --muted: #8888aa;
  --mono: 'Space Mono', monospace;
  --sans: 'DM Sans', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); min-height: 100vh; }

/* LOGIN */
#loginScreen {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg);
}
.login-box {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 2.5rem 2rem; width: 320px; text-align: center;
}
.login-box h2 { font-family: var(--mono); font-size: 18px; color: var(--accent); margin-bottom: 0.5rem; }
.login-box p { font-size: 13px; color: var(--muted); margin-bottom: 1.5rem; }
.login-box input {
  width: 100%; padding: 10px 14px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  font-family: var(--mono); font-size: 16px; text-align: center;
  letter-spacing: 4px; margin-bottom: 1rem;
}
.login-box input:focus { outline: none; border-color: var(--accent); }
.btn-primary {
  width: 100%; padding: 10px; background: var(--accent);
  border: none; border-radius: 8px; color: #fff; font-family: var(--sans);
  font-weight: 600; font-size: 14px; cursor: pointer; transition: opacity .2s;
}
.btn-primary:hover { opacity: 0.85; }
.login-error { color: var(--accent3); font-size: 13px; margin-top: 8px; display: none; }

/* APP */
#app { display: none; max-width: 900px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
.top-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 10px; }
.logo { font-family: var(--mono); font-size: 16px; color: var(--accent); }
.top-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.logout-btn {
  font-size: 12px; color: var(--muted); background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; cursor: pointer;
}
.logout-btn:hover { color: var(--accent3); border-color: var(--accent3); }

/* NAV TABS */
.nav-tabs { display: flex; gap: 4px; background: var(--surface); border-radius: 10px; padding: 4px; margin-bottom: 1.5rem; flex-wrap: wrap; }
.nav-tab {
  flex: 1; min-width: 80px; padding: 7px 10px; border: none; background: none;
  color: var(--muted); font-family: var(--sans); font-size: 13px; font-weight: 500;
  border-radius: 7px; cursor: pointer; transition: all .2s; white-space: nowrap;
}
.nav-tab.active { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.nav-tab:hover:not(.active) { color: var(--text); }

/* CARDS */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; }

/* SUMMARY GRID */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin-bottom: 1.5rem; }
.sum-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 0.9rem 1rem; }
.sum-label { font-size: 11px; color: var(--muted); margin-bottom: 6px; font-weight: 500; letter-spacing: .5px; text-transform: uppercase; }
.sum-val { font-family: var(--mono); font-size: 20px; color: var(--text); }
.sum-val.green { color: var(--accent2); }
.sum-val.red { color: var(--accent3); }
.sum-val.amber { color: var(--amber); }
.sum-val.purple { color: var(--accent); }

/* ADD FORM */
.form-section { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; margin-bottom: 1.5rem; }
.form-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.form-group { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 110px; }
.form-group label { font-size: 11px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .5px; }
.form-group input, .form-group select {
  padding: 8px 10px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-family: var(--sans); font-size: 13px;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); }
.form-group select option { background: var(--surface); }
.add-btn {
  padding: 8px 18px; background: var(--accent); border: none; border-radius: 8px;
  color: #fff; font-weight: 600; font-size: 13px; cursor: pointer; transition: opacity .2s;
  white-space: nowrap; align-self: flex-end;
}
.add-btn:hover { opacity: 0.85; }

/* TABLE */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th { text-align: left; padding: 8px 10px; color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); }
table td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: rgba(108,99,255,.04); }
.badge { display: inline-block; font-size: 10px; padding: 2px 8px; border-radius: 20px; font-weight: 600; letter-spacing: .5px; }
.badge-web { background: rgba(108,99,255,.18); color: var(--accent); }
.badge-tg { background: rgba(0,229,160,.15); color: var(--accent2); }
.badge-wa { background: rgba(255,201,71,.15); color: var(--amber); }
.act-btn { background: none; border: none; cursor: pointer; padding: 3px 6px; border-radius: 4px; font-size: 14px; }
.act-btn.edit:hover { color: var(--accent); }
.act-btn.del { color: var(--muted); }
.act-btn.del:hover { color: var(--accent3); }
.empty-row { text-align: center; color: var(--muted); font-size: 13px; padding: 1.5rem 0; }

/* DUE */
.due-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 1rem; }
.due-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; }
.due-big { font-family: var(--mono); font-size: 24px; margin-top: 4px; }

/* FILTER BAR */
.filter-bar { display: flex; gap: 8px; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.filter-bar input, .filter-bar select {
  padding: 7px 10px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-family: var(--sans); font-size: 13px;
}
.filter-bar input:focus, .filter-bar select:focus { outline: none; border-color: var(--accent); }
.filter-btn {
  padding: 7px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 13px; cursor: pointer;
}
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* SECTION */
.sec-title { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.75rem; }

/* MODAL */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.75);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.5rem; width: 340px; max-width: 95vw;
}
.modal-title { font-family: var(--mono); font-size: 14px; margin-bottom: 1rem; color: var(--accent); }
.modal-actions { display: flex; gap: 8px; margin-top: 1rem; justify-content: flex-end; }
.btn-sec {
  padding: 8px 16px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 13px; cursor: pointer;
}
.btn-sec:hover { border-color: var(--muted); }
.btn-danger { background: rgba(255,107,107,.15); border-color: var(--accent3); color: var(--accent3); }
.btn-danger:hover { background: rgba(255,107,107,.3); }

/* TRASH */
.trash-notice { font-size: 12px; color: var(--muted); margin-bottom: 8px; }

/* PAGE VIEWS */
.page {
  display: none;
  opacity: 0;
}
.page.active {
  display: block;
  animation: pageFadeIn 0.22s ease forwards;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* CHART BARS */
.bar-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.bar-label { font-size: 12px; color: var(--muted); width: 70px; text-align: right; flex-shrink: 0; }
.bar-track { flex: 1; height: 8px; background: var(--surface); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 4px; transition: width .5s; }
.bar-val { font-family: var(--mono); font-size: 11px; color: var(--muted); width: 80px; flex-shrink: 0; }

/* STOCK */
.stock-val { font-family: var(--mono); font-size: 28px; color: var(--amber); margin-top: 4px; }

@media (max-width: 500px) {
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .due-cards { grid-template-columns: 1fr; }
  .nav-tab { font-size: 11px; padding: 6px 7px; }
}

/* FOOTER */
#siteFooter {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.3px;
}
.footer-sep { color: var(--border); }

/* ===== SMOOTH TRANSITIONS =====  */

/* Smooth button hover */
.nav-tab, .add-btn, .btn-primary, .btn-sec, .filter-btn, .act-btn, .logout-btn {
  transition: all 0.15s ease;
}

/* Card hover */
.sum-card {
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.sum-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Table row smooth */
table tr {
  transition: background 0.1s ease;
}

/* Input focus smooth */
.form-group input, .form-group select,
.filter-bar input, .filter-bar select {
  transition: border-color 0.15s ease;
}

/* Modal smooth open */
.modal-overlay {
  animation: modalIn 0.15s ease;
}
@keyframes modalIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.modal-box {
  animation: modalBoxIn 0.15s ease;
}
@keyframes modalBoxIn {
  from { opacity: 0; transform: scale(0.95) translateY(-8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}