/* ============================================================
   CASHCTRL — Main Stylesheet
   Separation of Concerns: All visual rules live here.
   ============================================================ */

/* ===== DESIGN TOKENS ===== */
:root {
  --black: #0a0a0a;
  --white: #f5f0e8;
  --yellow: #f5d000;
  --red: #e83535;
  --green: #1db954;
  --blue: #1a5cff;
  --border: 3px solid #0a0a0a;
  --shadow: 5px 5px 0px #0a0a0a;
  --shadow-lg: 8px 8px 0px #0a0a0a;
  --radius: 0px;
  --font-display: 'Bebas Neue', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Lexend', sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background-color: var(--white);
  color: var(--black);
  min-height: 100vh;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--white); }
::-webkit-scrollbar-thumb { background: var(--black); }

/* ===== LOGIN SCREEN ===== */
#login-screen {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background: var(--black);
  padding: 20px;
}

.login-box {
  background: var(--yellow);
  border: var(--border);
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
}

.login-logo {
  font-family: var(--font-display);
  font-size: 52px;
  line-height: 1;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.login-logo span { color: var(--red); }

.login-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: #555;
  margin-bottom: 40px;
  text-transform: uppercase;
}

/* ===== FORM ELEMENTS ===== */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  color: var(--black);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: var(--border);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  outline: none;
  transition: box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  box-shadow: var(--shadow);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border: var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.1s;
  text-decoration: none;
  background: var(--white);
  color: var(--black);
}

.btn:hover { box-shadow: var(--shadow); transform: translate(-2px, -2px); }
.btn:active { box-shadow: none; transform: translate(0,0); }

.btn-black  { background: var(--black); color: var(--white); }
.btn-black:hover { background: var(--black); }
.btn-yellow { background: var(--yellow); color: var(--black); }
.btn-red    { background: var(--red); color: var(--white); }
.btn-green  { background: var(--green); color: var(--white); }
.btn-blue   { background: var(--blue); color: var(--white); }
.btn-sm  { padding: 8px 14px; font-size: 10px; }
.btn-lg  { padding: 18px 32px; font-size: 13px; width: 100%; }
.btn-icon { padding: 10px; min-width: 42px; }

/* ===== LOGIN ERROR ===== */
#login-error {
  background: var(--red);
  color: var(--white);
  border: var(--border);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  margin-bottom: 16px;
  display: none;
}

/* ===== APP LAYOUT ===== */
#app-screen { display: none; min-height: 100vh; }

/* ===== HEADER ===== */
#app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.header-logo {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--yellow);
  letter-spacing: 2px;
}

.header-logo span { color: var(--white); }

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.user-badge strong { color: var(--yellow); }

.admin-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  padding: 3px 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--red);
  color: var(--white);
}

/* ===== BUDGET CARDS STRIP ===== */
#budget-strip {
  background: var(--black);
  border-bottom: var(--border);
  padding: 16px 24px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
}

.budget-card {
  background: var(--white);
  border: var(--border);
  padding: 16px 20px;
  min-width: 220px;
  flex-shrink: 0;
  position: relative;
}

.budget-card.minus {
  border-color: var(--red);
  box-shadow: 5px 5px 0 var(--red);
}

.budget-card.minus .budget-card-sisa { color: var(--red); }

.budget-card-kode {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.budget-card-pic {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #666;
  margin-bottom: 10px;
}

.budget-card-sisa {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--black);
}

.budget-card-minus-badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  padding: 2px 6px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid var(--black);
  margin-bottom: 6px;
}

.budget-bar-track {
  width: 100%;
  height: 6px;
  background: #ddd;
  border: 2px solid var(--black);
  margin-top: 10px;
}

.budget-bar-fill {
  height: 100%;
  background: var(--green);
  transition: width 0.8s ease;
}

.budget-bar-fill.warn   { background: var(--yellow); }
.budget-bar-fill.danger { background: var(--red); }

/* ===== MAIN LAYOUT ===== */
#app-body {
  display: flex;
  min-height: calc(100vh - 60px);
}

/* ===== SIDEBAR NAV ===== */
#sidebar {
  width: 200px;
  flex-shrink: 0;
  border-right: var(--border);
  background: var(--white);
  padding: 24px 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}

.nav-section-label {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #999;
  padding: 8px 20px 4px;
  margin-top: 16px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  border: none;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-align: left;
  border-left: 4px solid transparent;
  transition: all 0.1s;
  color: var(--black);
}

.nav-btn:hover { background: #eee; }
.nav-btn.active { border-left-color: var(--black); background: var(--yellow); }
.nav-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ===== CONTENT AREA ===== */
#content { flex: 1; padding: 32px; overflow-x: hidden; }

.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeSlide 0.2s ease; }

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: var(--border);
}

.page-title {
  font-family: var(--font-display);
  font-size: 40px;
  letter-spacing: 2px;
  line-height: 1;
}

.page-subtitle {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 4px;
}

/* ===== CARD ===== */
.card {
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 24px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 1px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--black);
}

/* ===== FORM GRID ===== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-full { grid-column: 1 / -1; }

/* ===== NOTA ITEM ROW ===== */
.nota-container {
  border: var(--border);
  padding: 20px;
  margin-bottom: 12px;
  background: #fafafa;
  position: relative;
}

.nota-row-grid { display: grid; grid-template-columns: 1fr 180px; gap: 12px; }
.nota-settle-extras { display: none; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.nota-settle-extras.show { display: grid; grid-template-columns: 1fr 1fr 1fr; }

.btn-remove-nota {
  position: absolute;
  top: -12px; right: -12px;
  width: 28px; height: 28px;
  background: var(--red);
  color: var(--white);
  border: var(--border);
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}

/* ===== FILE UPLOAD ZONE ===== */
.file-zone {
  border: 3px dashed var(--black);
  padding: 16px;
  background: #fafafa;
  cursor: pointer;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #666;
}

.file-zone input { display: none; }

.file-zone-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.file-zone.has-file { background: #e8f5e9; border-color: var(--green); color: var(--black); }

/* ===== TOTAL DISPLAY ===== */
.total-display {
  background: var(--black);
  color: var(--yellow);
  font-family: var(--font-display);
  font-size: 48px;
  letter-spacing: 2px;
  text-align: right;
  padding: 20px 24px;
  border: var(--border);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 12px;
}

.total-display-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #888;
  align-self: center;
}

/* ===== TABLE ===== */
.nb-table {
  width: 100%;
  border-collapse: collapse;
  border: var(--border);
}

.nb-table th {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 12px 14px;
  text-align: left;
  border-right: 2px solid #333;
}

.nb-table td {
  padding: 12px 14px;
  border-bottom: 2px solid var(--black);
  border-right: 2px solid #ddd;
  font-size: 13px;
}

.nb-table tr:hover td { background: #f0ead8; }
.nb-table tr:last-child td { border-bottom: none; }
.nb-table tr.selected td { background: #f5d000 !important; }

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid var(--black);
}

.badge-green  { background: var(--green); color: var(--white); }
.badge-red    { background: var(--red); color: var(--white); }
.badge-yellow { background: var(--yellow); color: var(--black); }
.badge-blue   { background: var(--blue); color: var(--white); }
.badge-gray   { background: #ddd; color: var(--black); }

/* ===== SETTLEMENT CARD ===== */
.settle-card {
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.settle-card.overdue { border-color: var(--red); box-shadow: 5px 5px 0 var(--red); }

/* ===== FILTER BAR ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding: 16px;
  border: var(--border);
  background: #f0ead8;
}

.filter-bar select,
.filter-bar input {
  padding: 10px 12px;
  border: var(--border);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

/* ===== STAT GRID ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  border: var(--border);
  padding: 20px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.stat-card-label {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #777;
  margin-bottom: 8px;
}

.stat-card-value {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 1px;
}

.chart-box {
  border: var(--border);
  padding: 24px;
  background: var(--white);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

/* ===== SEARCH BAR ===== */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  align-items: stretch;
}

.search-bar input {
  flex: 1;
  padding: 12px 14px;
  border: var(--border);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: var(--border);
  margin-top: 8px;
}

.pagination-info {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #777;
  text-transform: uppercase;
}

/* ===== LOADER ===== */
#loader {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}

.loader-inner {
  width: 60px; height: 60px;
  border: 5px solid var(--yellow);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loader-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  animation: blink 1s infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ===== AUTOCOMPLETE ===== */
.ac-wrapper { position: relative; }

.ac-results {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--white);
  border: var(--border);
  z-index: 200;
  max-height: 200px;
  overflow-y: auto;
  display: none;
  box-shadow: var(--shadow);
}

.ac-item {
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
  border-bottom: 2px solid #eee;
  font-family: var(--font-body);
}

.ac-item:last-child { border-bottom: none; }
.ac-item:hover { background: var(--yellow); }

/* ===== MOBILE NAV ===== */
#mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--black);
  border-top: var(--border);
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

#mobile-nav .mob-nav-inner { display: flex; }

.mob-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  border: none;
  background: transparent;
  color: #888;
  font-family: var(--font-mono);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  gap: 4px;
  border-left: 1px solid #222;
}

.mob-nav-btn:first-child { border-left: none; }
.mob-nav-btn.active { color: var(--yellow); border-top: 3px solid var(--yellow); }
.mob-nav-btn svg { width: 20px; height: 20px; }

/* ===== FLOATING AUDIT SUMMARY BAR ===== */
#audit-float-bar {
  display: none;
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--black);
  color: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-lg);
  padding: 14px 24px;
  z-index: 500;
  gap: 24px;
  align-items: center;
  white-space: nowrap;
  animation: slideUp 0.2s ease;
}

#audit-float-bar.show { display: flex; }

@keyframes slideUp {
  from { opacity:0; transform: translateX(-50%) translateY(16px); }
  to   { opacity:1; transform: translateX(-50%) translateY(0); }
}

.float-bar-label { font-family: var(--font-mono); font-size: 10px; color: #888; text-transform: uppercase; letter-spacing: 0.1em; }
.float-bar-value { font-family: var(--font-display); font-size: 24px; color: var(--yellow); letter-spacing: 1px; }
.float-bar-count { font-family: var(--font-mono); font-size: 11px; color: #aaa; }

/* ===== BUDGET STATUS TABLE ===== */
.budget-status-active { background: var(--green); color: var(--white); }
.budget-status-closed { background: #888; color: var(--white); }

/* ===== NOTA GALLERY ===== */
.gallery-budget-select {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px;
}
.gallery-budget-select select {
  flex: 1; min-width: 200px; padding: 10px 14px;
  border: var(--border); font-family: var(--font-mono); font-size: 12px;
  background: var(--white); outline: none; cursor: pointer;
}
.gallery-budget-select .btn { white-space: nowrap; }

/* Folder tabs */
.folder-tabs { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 0; }
.folder-tab {
  padding: 8px 18px; font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em; border: var(--border); border-bottom: none;
  cursor: pointer; background: #e0dbd0; color: #888; margin-right: -3px; position: relative; z-index: 0;
  transition: background 0.15s;
}
.folder-tab.active { background: var(--yellow); color: var(--black); z-index: 2; }
.folder-tab:hover:not(.active) { background: #d0cbc0; }

.folder-panel {
  display: none; border: var(--border); padding: 20px;
  background: var(--white); position: relative; z-index: 1;
}
.folder-panel.active { display: block; }

/* Nota gallery table */
.nota-gallery-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.nota-gallery-table th {
  font-family: var(--font-mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: 0.08em; padding: 10px 12px; text-align: left;
  border-bottom: var(--border); background: var(--black); color: var(--white);
}
.nota-gallery-table td { padding: 10px 12px; border-bottom: 2px solid #ddd; vertical-align: middle; }
.nota-gallery-table tr:last-child td { border-bottom: none; }
.nota-gallery-table tr.selected-row { background: #fffde6; }
.nota-gallery-table tr:hover td { background: #f7f3e8; }
.nota-gallery-table tr.selected-row:hover td { background: #fffad0; }

/* Nota thumbnails */
.nota-thumb-wrap {
  width: 72px; height: 56px; border: 2px solid var(--black); overflow: hidden;
  cursor: pointer; position: relative; background: #e8e3d8; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.nota-thumb-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nota-thumb-wrap:hover::after {
  content: '🔍'; position: absolute; inset: 0;
  background: rgba(0,0,0,0.5); display: flex; align-items: center;
  justify-content: center; font-size: 20px; color: white;
}
.nota-thumb-noimg {
  width: 72px; height: 56px; border: 2px dashed #bbb;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 8px; color: #aaa; text-align: center; line-height: 1.4;
}

/* Selection bar */
.gallery-sel-bar {
  display: none; position: sticky; bottom: 12px;
  margin-top: 16px; padding: 12px 18px;
  background: var(--black); color: var(--white); border: 3px solid var(--yellow);
  box-shadow: var(--shadow); z-index: 10;
  align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.gallery-sel-bar.visible { display: flex; }
.gallery-sel-bar-label { font-family: var(--font-mono); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.gallery-sel-bar-total { font-family: var(--font-mono); font-size: 16px; font-weight: 700; color: var(--yellow); }

/* Preview modal */
#nota-preview-modal {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  z-index: 9999; align-items: center; justify-content: center; padding: 20px;
}
#nota-preview-modal.open { display: flex; }
.nota-preview-inner {
  background: var(--white); border: var(--border); box-shadow: var(--shadow-lg);
  max-width: 90vw; max-height: 90vh; display: flex; flex-direction: column; overflow: hidden;
}
.nota-preview-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-bottom: var(--border); background: var(--black); color: var(--white);
}
.nota-preview-header-label { font-family: var(--font-mono); font-size: 11px; font-weight: 700; }
.nota-preview-header-actions { display: flex; gap: 8px; }
.nota-preview-body { flex: 1; overflow: auto; display: flex; align-items: center; justify-content: center; padding: 16px; }
.nota-preview-body img { max-width: 100%; max-height: 70vh; object-fit: contain; display: block; }
.nota-preview-close {
  background: var(--red); color: white; border: none; padding: 6px 14px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700; cursor: pointer;
}
.nota-preview-close:hover { opacity: 0.85; }

/* ===== REKAP ROWS ===== */
.rekap-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border: 2px solid var(--black);
  margin-bottom: 8px;
  background: #fafafa;
}

.rekap-row:hover { background: #f0ead8; }

.rekap-row-kat {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.rekap-row-val {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 1px;
}

/* ===== CHECKBOX MULTI-SELECT ===== */
.cb-select {
  width: 18px; height: 18px;
  accent-color: var(--black);
  cursor: pointer;
  flex-shrink: 0;
}

/* ===== SALDO INDICATOR ===== */
#saldo-indicator {
  display: none;
  margin-top: 8px;
  padding: 10px 14px;
  border: var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
#saldo-indicator.ok     { background: #e8f5e9; color: #1b5e20; }
#saldo-indicator.warn   { background: var(--yellow); color: var(--black); }
#saldo-indicator.danger { background: var(--red); color: var(--white); }

/* ===== MISC UTILS ===== */
.hidden { display: none !important; }
.text-mono    { font-family: var(--font-mono); }
.text-display { font-family: var(--font-display); }

.divider {
  border: none;
  border-top: 2px solid var(--black);
  margin: 24px 0;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  border: 3px dashed #ccc;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #aaa;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.notice {
  padding: 12px 16px;
  border: var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  margin-bottom: 16px;
}

.notice-yellow { background: var(--yellow); }
.notice-red    { background: var(--red); color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  #sidebar     { display: none; }
  #mobile-nav  { display: block; }
  #content     { padding: 16px; padding-bottom: 80px; }
  .form-grid   { grid-template-columns: 1fr; }
  .nota-row-grid { grid-template-columns: 1fr; }
  .stat-grid   { grid-template-columns: 1fr 1fr; }
  .page-title  { font-size: 28px; }
  .total-display { font-size: 32px; }
  #budget-strip { padding: 12px 16px; }
  #app-header  { padding: 0 16px; }
  .filter-bar  { flex-direction: column; }
  .settle-card { flex-direction: column; align-items: flex-start; }
  input, select, textarea { font-size: 16px !important; }
}

@media (max-width: 480px) {
  .stat-grid   { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
}