@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,1,0');
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ============================================================
   base.css — BookKeepPro Design System · "Ledger"
   Ink, brass and parchment — a bookkeeping identity built on
   the working materials of the trade: ruled paper, tabular
   figures, and the quiet authority of a well-kept ledger.
   ============================================================ */

/* ── Brand Tokens ─────────────────────────────────────────── */
:root {
  /* core palette */
  --ink:          #17211D;
  --ink-soft:     #2A362F;
  --brass:        #B0803D;
  --brass-dark:   #8F6528;
  --brass-light:  rgba(176, 128, 61, 0.12);
  --emerald:      #1F5D46;
  --emerald-dark: #163F30;
  --emerald-light:rgba(31, 93, 70, 0.10);
  --paper:        #F5F2E9;
  --paper-raised: #FFFFFF;

  /* legacy variable names kept so every existing component re-skins automatically */
  --blue:         var(--emerald);
  --blue-dark:    var(--emerald-dark);
  --blue-light:   var(--emerald-light);
  --orange:       var(--brass);
  --orange-dark:  var(--brass-dark);
  --orange-light: var(--brass-light);
  --header-bg:    #EFEADA;
  --footer-bot:   #EFEADA;
  --navy:         var(--ink);
  --accent:       #2C7A5B;
  --bg:           var(--paper);
  --card:         var(--paper-raised);
  --muted:        #6B7268;
  --border:       #E3DDC9;
  --success:      #1F5D46;
  --success-bg:   rgba(31, 93, 70, 0.10);
  --error:        #A63A3A;
  --error-bg:     rgba(166, 58, 58, 0.10);
  --warn:         #B0803D;
  --warn-bg:      rgba(176, 128, 61, 0.12);

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px 0 rgba(23, 33, 29, 0.06);
  --shadow-sm: 0 4px 10px -2px rgba(23, 33, 29, 0.10);
  --shadow-md: 0 12px 28px -8px rgba(23, 33, 29, 0.16);
  --shadow-lg: 0 24px 56px -12px rgba(23, 33, 29, 0.22);
  --shadow-glow: 0 0 0 6px rgba(176, 128, 61, 0.14);

  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-blur: blur(14px);

  --ruled: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 27px,
    rgba(23, 33, 29, 0.05) 27px,
    rgba(23, 33, 29, 0.05) 28px
  );
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a   { color: var(--emerald); text-decoration: none; }
a:hover { color: var(--emerald-dark); }
.material-symbols-outlined { font-size: inherit; vertical-align: middle; line-height: 1; font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24; }
.tnum { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); }
h1 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }
h2 { font-size: clamp(19px, 2.6vw, 26px); font-weight: 600; line-height: 1.25; }
h3 { font-size: clamp(16px, 2vw, 19px); font-weight: 600; }
p  { line-height: 1.7; color: #3E463F; }
small, .text-sm { font-size: 13px; color: var(--muted); }
.text-muted { color: var(--muted); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-dark);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before { content: ''; width: 18px; height: 1px; background: var(--brass); display: inline-block; }

/* ── Card ────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  padding: clamp(20px, 4vw, 32px);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-flat  { background: var(--card); border-radius: var(--radius-md); border: 1px solid var(--border); padding: clamp(16px, 3vw, 24px); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.12s ease, background var(--transition), box-shadow var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary   { background: var(--brass); color: #fff; }
.btn-primary:hover:not(:disabled)   { background: var(--brass-dark); box-shadow: 0 6px 18px rgba(176,128,61,0.32); }

.btn-secondary { background: var(--emerald); color: #fff; }
.btn-secondary:hover:not(:disabled) { background: var(--emerald-dark); box-shadow: 0 6px 18px rgba(31,93,70,0.28); }

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-outline:hover:not(:disabled) { background: var(--ink); color: #fff; }

.btn-ghost  { background: transparent; color: var(--muted); border: 1.5px solid var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--paper); color: var(--ink); border-color: #cfc7ad; }

.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #8a2f2f; box-shadow: 0 6px 18px rgba(166,58,58,0.3); }

.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-xs { padding: 5px 12px; font-size: 12px; }
.btn-icon { padding: 9px; border-radius: var(--radius-sm); }

/* ── Form Inputs ─────────────────────────────────────────── */
.input, .select-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input:focus, .select-input:focus {
  outline: none;
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(31,93,70,0.12);
}
.input::placeholder { color: #A8A190; }
.input[readonly] { background: var(--paper); color: var(--muted); cursor: default; }
label.form-label { display: block; font-size: 12.5px; font-weight: 600; letter-spacing: 0.02em; color: var(--ink-soft); margin-bottom: 6px; }
.form-group { margin-bottom: 18px; }
.password-wrap { position: relative; }
.password-wrap .input { padding-right: 56px; }
.password-toggle {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--emerald); font-weight: 600; font-size: 13px; cursor: pointer;
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-xs);
  font-size: 11px; font-weight: 700; letter-spacing: 0.3px;
  white-space: nowrap;
  font-family: var(--font-mono);
}
.badge-blue    { background: var(--emerald-light);   color: var(--emerald); }
.badge-orange  { background: var(--brass-light);  color: var(--brass-dark); border: 1px solid rgba(176,128,61,0.35); }
.badge-red     { background: var(--error-bg); color: var(--error); }
.badge-green   { background: var(--success-bg); color: var(--success); }
.badge-yellow  { background: var(--warn-bg);    color: var(--warn); border: 1px solid rgba(176,128,61,0.3); }
.badge-muted   { background: var(--paper); color: var(--muted); }

/* ── Status Pills (doc review) ───────────────────────────── */
.pill-approved { background:var(--success-bg); color:var(--success); border:1px solid rgba(31,93,70,0.3); padding:2px 10px; border-radius:var(--radius-xs); font-size:11px; font-weight:700; font-family: var(--font-mono); }
.pill-rejected { background:var(--error-bg); color:var(--error); border:1px solid rgba(166,58,58,0.3); padding:2px 10px; border-radius:var(--radius-xs); font-size:11px; font-weight:700; font-family: var(--font-mono); }
.pill-pending  { background:var(--warn-bg); color:var(--brass-dark); border:1px solid rgba(176,128,61,0.3); padding:2px 10px; border-radius:var(--radius-xs); font-size:11px; font-weight:700; font-family: var(--font-mono); }

/* ── Divider ─────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ── App Layout Scaffold ─────────────────────────────────── */
.app-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.page-main {
  flex: 1;
  width: min(100%, 1100px);
  margin: clamp(24px, 4vw, 40px) auto;
  padding: 0 clamp(16px, 3vw, 24px);
}
.page-main-wide {
  flex: 1;
  width: min(100%, 1300px);
  margin: clamp(24px, 4vw, 40px) auto;
  padding: 0 clamp(16px, 3vw, 24px);
}

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeIn  { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }
@keyframes slideUp { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:none; } }
.fade-in  { animation: fadeIn  0.35s ease both; }
.slide-up { animation: slideUp 0.4s ease both; }

/* ── Skeleton loading ────────────────────────────────────── */
@keyframes shimmer {
  from { background-position: -600px 0; }
  to   { background-position:  600px 0; }
}
.skeleton {
  background: linear-gradient(90deg, #EDE8D9 25%, #F5F2E9 50%, #EDE8D9 75%);
  background-size: 600px 100%;
  animation: shimmer 1.4s infinite linear;
  border-radius: var(--radius-sm);
}

/* ── Utility ─────────────────────────────────────────────── */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-gap-sm { gap: 8px; }
.flex-gap-md { gap: 16px; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mt-8  { margin-top:  8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom:  8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.font-600 { font-weight: 600; }

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 2px;
}

/* Button + input micro-interactions */
.btn:active { transform: scale(0.97); }
.input:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--emerald) !important;
  box-shadow: 0 0 0 3px rgba(31,93,70,0.14) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* AI Summary — analyzing spinner */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}