:root {
  --paper: #EFE9DD;
  --ink: #2B2620;
  --ink-soft: #6B6153;
  --accent: #D98A1B;
  --accent-deep: #A85F14;
  --card-line: rgba(43,38,32,0.08);
  --yellow: #F4CE6B;
  --rose: #F0A3A3;
  --mint: #9FD8C4;
  --sky: #9BC4E8;
  --paper-tag: #EDE6D6;
  --shadow: 0 6px 18px rgba(43,38,32,0.10);
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Noto Sans Devanagari', sans-serif;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ===== ब्रान्ड / फोल्ड-कर्नर सिग्नेचर ===== */
.brand-fold {
  display: inline-block;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--yellow) 0%, var(--yellow) 48%, var(--paper) 50%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 60%);
  border-radius: 4px 4px 4px 0;
  box-shadow: var(--shadow);
  position: relative;
}
.brand-fold::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 12px; height: 12px;
  background: var(--paper);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.brand-fold.small { width: 26px; height: 26px; }

/* ===== लगइन स्क्रिन ===== */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 12% 15%, rgba(217,138,27,0.10), transparent 45%),
    radial-gradient(circle at 88% 85%, rgba(159,216,196,0.18), transparent 45%),
    var(--paper);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: #FBF8F1;
  border: 1px solid var(--card-line);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
}

.brand { text-align: center; margin-bottom: 22px; }
.brand h1 {
  font-family: 'Baloo 2', sans-serif;
  font-weight: 700;
  font-size: 1.7rem;
  margin: 10px 0 4px;
  color: var(--ink);
}
.brand-dot { color: var(--accent); }
.brand-tag { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }

.auth-tabs {
  display: flex;
  background: var(--paper-tag);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 20px;
}
.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 0;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all .2s ease;
}
.auth-tab.active {
  background: var(--ink);
  color: var(--paper-tag);
}

.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label {
  font-size: 0.82rem;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.auth-form input {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--card-line);
  background: #fff;
  color: var(--ink);
}
.auth-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn-primary {
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 16px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #FFF9EF;
  cursor: pointer;
  transition: background .2s ease, transform .1s ease;
}
.btn-primary:hover { background: var(--accent-deep); }
.btn-primary:active { transform: scale(0.98); }

.btn-ghost {
  font-family: inherit;
  font-size: 0.82rem;
  padding: 10px;
  border-radius: 10px;
  border: 1px dashed var(--card-line);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  width: 100%;
  margin-top: 16px;
}
.btn-ghost.small { width: auto; margin: 0; padding: 7px 12px; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-deep); }

.btn-danger {
  font-family: inherit;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(200,60,50,0.35);
  background: transparent;
  color: #A83A2E;
  cursor: pointer;
}
.btn-danger:hover { background: rgba(200,60,50,0.08); }

.auth-msg { font-size: 0.8rem; min-height: 1em; color: #A83A2E; margin: 0; }

/* ===== एप स्क्रिन ===== */
.app-screen { min-height: 100vh; padding: 20px 28px 100px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.app-title {
  font-family: 'Baloo 2', sans-serif;
  font-size: 1.4rem;
  margin: 0;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
#search-box {
  font-family: inherit;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--card-line);
  background: #FBF8F1;
  min-width: 200px;
}
.user-email {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-soft);
}

/* ===== नोट ग्रिड (मेसनरी जस्तै) ===== */
.notes-grid {
  column-count: 4;
  column-gap: 18px;
}
@media (max-width: 1100px) { .notes-grid { column-count: 3; } }
@media (max-width: 780px)  { .notes-grid { column-count: 2; } }
@media (max-width: 520px)  { .notes-grid { column-count: 1; } }

.note-card {
  break-inside: avoid;
  margin-bottom: 18px;
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  box-shadow: var(--shadow);
  cursor: pointer;
  position: relative;
  transition: transform .15s ease;
  border: 1px solid rgba(43,38,32,0.06);
}
.note-card:hover { transform: translateY(-2px); }
.note-card::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 16px; height: 16px;
  background: rgba(43,38,32,0.06);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  border-radius: 0 var(--radius) 0 0;
}
.note-title { font-weight: 700; font-size: 1.02rem; margin: 0 0 8px; }
.note-body {
  font-size: 0.88rem;
  color: var(--ink);
  white-space: pre-wrap;
  max-height: 220px;
  overflow: hidden;
  margin: 0 0 10px;
}
.note-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: rgba(43,38,32,0.55);
}

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  margin-top: 60px;
  font-size: 0.95rem;
}

.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #FFF9EF;
  font-size: 1.8rem;
  line-height: 1;
  box-shadow: 0 8px 22px rgba(168,95,20,0.35);
  cursor: pointer;
  transition: transform .15s ease, background .2s ease;
}
.fab:hover { background: var(--accent-deep); transform: scale(1.05); }

/* ===== नोट सम्पादन मोडल ===== */
.editor-overlay {
  position: fixed;
  inset: 0;
  background: rgba(43,38,32,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}
.editor-card {
  width: 100%;
  max-width: 560px;
  max-height: 86vh;
  background: #FBF8F1;
  border-radius: 18px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.editor-top {
  display: flex;
  align-items: center;
  gap: 12px;
}
#note-title {
  flex: 1;
  font-family: 'Baloo 2', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  border: none;
  background: transparent;
  outline: none;
  color: var(--ink);
}
.color-picker { display: flex; gap: 6px; }
.color-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}
.color-dot.selected { border-color: var(--ink); }

#note-content {
  flex: 1;
  min-height: 220px;
  resize: vertical;
  border: none;
  outline: none;
  background: transparent;
  font-family: 'Noto Sans Devanagari', sans-serif;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink);
}

.editor-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--card-line);
  padding-top: 12px;
}
.save-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
}
.editor-actions { display: flex; gap: 10px; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #FBF8F1;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  box-shadow: var(--shadow);
  z-index: 100;
}