:root {
  --bg: #f3efe6;
  --ink: #1c241f;
  --muted: #5b675f;
  --brand: #1f6f54;
  --brand-deep: #134536;
  --accent: #c45c26;
  --panel: rgba(255, 252, 246, 0.92);
  --line: #d7d0c3;
  --ok: #1f6f54;
  --bad: #a33b2b;
  --shadow: 0 18px 40px rgba(28, 36, 31, 0.08);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: "Vazirmatn", Tahoma, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 0%, #fff8ea 0%, var(--bg) 45%, #e8efe9 100%);
  min-height: 100%;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31, 111, 84, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 111, 84, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
  z-index: 0;
}

.topbar, .page, .flash-wrap { position: relative; z-index: 1; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: rgba(255, 252, 246, 0.75);
}

.brand { display: flex; gap: 0.75rem; align-items: center; }
.brand strong { display: block; font-size: 1.05rem; }
.brand small { color: var(--muted); }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  color: white; font-weight: 800;
}

nav { display: flex; gap: 0.5rem; }
nav a {
  text-decoration: none;
  color: var(--ink);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
}
nav a.active, nav a:hover {
  border-color: var(--line);
  background: white;
}

.page { max-width: 1180px; margin: 0 auto; padding: 1.25rem 1.25rem 3rem; }

.hero-strip {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
  animation: rise 0.5s ease both;
}
.hero-strip h1 { margin: 0 0 0.35rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.hero-strip p { margin: 0; color: var(--muted); max-width: 42rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.btn {
  appearance: none;
  border: none;
  background: var(--brand);
  color: white;
  padding: 0.65rem 1rem;
  border-radius: 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { background: var(--brand-deep); transform: translateY(-1px); }
.btn.secondary { background: var(--accent); }
.btn.secondary:hover { background: #a34a1d; }
.btn.ghost {
  background: white;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn.danger { color: var(--bad); border-color: #e4b8b1; }

.filter-panel, .panel, .kpi, .compare-box, .empty-state {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.filter-panel {
  padding: 1rem;
  margin-bottom: 1rem;
  animation: rise 0.55s ease both;
}
.mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}
.mode-tabs label {
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
}
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}
label { display: grid; gap: 0.35rem; font-size: 0.92rem; color: var(--muted); }
input, select {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  background: white;
  color: var(--ink);
}

.period-banner {
  background: linear-gradient(135deg, rgba(31, 111, 84, 0.12), rgba(196, 92, 38, 0.08));
  border: 1px solid #9ecfb8;
  border-radius: 16px;
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.period-banner strong { font-size: 1.05rem; }
.period-meta {
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.kpi-row-5 { grid-template-columns: repeat(5, 1fr); }
.kpi small { display: block; margin-top: 0.25rem; color: var(--muted); font-size: 0.78rem; }
.compare-table td:first-child { white-space: normal; min-width: 220px; }
.kpi {
  padding: 1rem;
  animation: rise 0.6s ease both;
}
.kpi span { color: var(--muted); font-size: 0.9rem; }
.kpi strong { display: block; margin-top: 0.35rem; font-size: 1.55rem; }

.panel { padding: 1rem; margin-bottom: 1rem; }
.panel h2, .compare-box h2 { margin: 0 0 0.85rem; font-size: 1.1rem; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.table-wrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  padding: 0.55rem 0.45rem;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}
th { color: var(--muted); font-weight: 700; }

.compare-box { padding: 1rem; margin-bottom: 1rem; }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
}
.delta {
  min-width: 160px;
  padding: 0.75rem;
  border-radius: 14px;
  background: #fff;
  border: 1px dashed var(--line);
}
.up { color: var(--ok); font-weight: 700; }
.down { color: var(--bad); font-weight: 700; }

.empty-state {
  padding: 2rem;
  text-align: center;
}
.upload-panel { display: grid; gap: 1rem; }
.upload-form { display: grid; gap: 0.75rem; max-width: 520px; }
.file-drop {
  border: 1.5px dashed var(--brand);
  border-radius: 16px;
  padding: 1.25rem;
  background: rgba(31, 111, 84, 0.05);
  cursor: pointer;
}
.file-drop input { width: 100%; }
.hint code {
  display: block;
  background: white;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem;
  margin: 0.4rem 0;
  overflow: auto;
}

.flash-wrap { max-width: 1180px; margin: 0.75rem auto 0; padding: 0 1.25rem; }
.flash {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  margin-bottom: 0.5rem;
  border: 1px solid var(--line);
  background: white;
}
.flash.success { border-color: #b7d7c8; background: #edf7f1; }
.flash.error { border-color: #e4b8b1; background: #fcedea; }
.flash.info { border-color: #cfd8e3; background: #eef3f8; }

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

.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.rule {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.25rem;
}
.rule.ok { border-color: #9ecfb8; }
.rule.leave { border-color: #cfd8e3; }
.rule.absent { border-color: #f0e08a; background: #fffceb; }
.rule span { color: var(--muted); font-size: 0.92rem; }

.two-files {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.upload-form.wide { max-width: none; }
.file-title { display: block; font-weight: 700; color: var(--ink); margin-bottom: 0.2rem; }
.file-drop small { display: block; color: var(--muted); margin-bottom: 0.55rem; }
.hint-line { color: var(--muted); margin-top: 0.85rem; }
.hint-line code {
  background: white;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}
.scope-list {
  margin: 0;
  padding-right: 1.2rem;
  color: var(--muted);
  line-height: 1.9;
}
.scope-list b { color: var(--ink); }

/* Chart day comments */
.chart-hint { margin: 0 0 0.75rem; }
.chart-comments-list {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line);
}
.chart-comments-list h3 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
}
.chart-comments-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}
.comment-chip {
  width: 100%;
  text-align: right;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  align-items: baseline;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.comment-chip:hover {
  border-color: var(--brand);
  background: #f7fbf8;
}
.comment-chip strong {
  color: var(--accent);
  font-weight: 700;
}
.comment-chip span {
  color: var(--muted);
  line-height: 1.6;
}

.chart-comment-dialog {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0;
  max-width: min(440px, calc(100vw - 2rem));
  width: 100%;
  box-shadow: var(--shadow);
  background: #fffef9;
}
.chart-comment-dialog::backdrop {
  background: rgba(28, 36, 31, 0.35);
}
.chart-comment-dialog form {
  padding: 1.15rem 1.2rem 1.25rem;
  display: grid;
  gap: 0.65rem;
}
.chart-comment-dialog h3 {
  margin: 0;
  font-size: 1.05rem;
}
.chart-comment-dialog textarea {
  width: 100%;
  resize: vertical;
  min-height: 96px;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  font: inherit;
  line-height: 1.7;
  background: #fff;
}
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-start;
}
.comment-error {
  margin: 0;
  color: var(--bad);
  font-size: 0.9rem;
}

/* Login */
body.login-page .page {
  max-width: none;
  padding: 0;
  min-height: calc(100vh - 0px);
  display: grid;
  place-items: center;
}
.login-shell {
  width: min(420px, calc(100% - 2rem));
  margin: 2rem auto;
}
.login-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1.5rem 1.4rem 1.6rem;
}
.login-brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.1rem;
}
.login-brand strong { display: block; }
.login-brand small { color: var(--muted); }
.login-panel h1 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}
.login-lead {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.7;
}
.login-form {
  display: grid;
  gap: 0.85rem;
}
.login-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}
.login-form input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font: inherit;
}
.login-form .btn {
  width: 100%;
  margin-top: 0.25rem;
}


@media (max-width: 900px) {
  .kpi-row, .kpi-row-5, .two-col, .compare-grid, .rules-grid, .two-files { grid-template-columns: 1fr; }
  .hero-strip { flex-direction: column; align-items: start; }
  .topbar { flex-direction: column; align-items: start; }
}