/* ── Variables ───────────────────────────────────────── */
:root {
  --header-h: 66px;
  --mobile-nav-h: 66px;

  /* Verts */
  --g900: #14532d;
  --g800: #166534;
  --g700: #15803d;
  --g600: #16a34a;
  --g500: #22c55e;
  --g400: #4ade80;
  --g300: #86efac;
  --g200: #bbf7d0;
  --g100: #dcfce7;
  --g50:  #f0fdf4;

  /* Jaunes */
  --y500: #ca8a04;
  --y400: #eab308;
  --y300: #fde047;
  --y200: #fef08a;
  --y100: #fef9c3;
  --y50:  #fefce8;

  /* Neutres */
  --text:    #1a2e1a;
  --muted:   #4d7a5a;
  --surface: #ffffff;
  --bg:      #f7fdf9;
  --border:  #d1fae5;

  /* Danger */
  --danger: #dc2626;

  --radius:    14px;
  --radius-sm: 8px;
  --radius-xs: 5px;
  --shadow-sm: 0 1px 3px rgba(22,163,74,.07);
  --shadow:    0 4px 20px rgba(22,163,74,.1);
  --shadow-lg: 0 12px 40px rgba(22,163,74,.16);
}

/* ── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100%;
  padding-top: var(--header-h);
  padding-bottom: 0;
}
button { cursor: pointer; font: inherit; }
svg { display: block; flex-shrink: 0; }
a { text-decoration: none; color: inherit; }

/* ── App Header ──────────────────────────────────────── */
.app-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--g800);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  flex-shrink: 0;
}
.brand-logo {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #86efac;
}
.brand-logo svg { width: 20px; height: 20px; }
.brand-name {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.01em;
}
.brand-tag {
  display: block;
  font-size: .65rem;
  color: #86efac;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: -2px;
}

/* ── Desktop nav ─────────────────────────────────────── */
.desktop-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .25rem;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: rgba(255,255,255,.65);
  font-size: .875rem;
  font-weight: 500;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.nav-btn svg { width: 16px; height: 16px; }
.nav-btn:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-btn.active {
  background: rgba(255,255,255,.15);
  color: #fff;
  font-weight: 700;
}
.nav-btn.active::after {
  content: '';
  position: absolute;
}

/* Active underline effect */
.nav-btn {
  position: relative;
}
.nav-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--y300);
  border-radius: 999px;
}

/* ── Header actions ──────────────────────────────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: .35rem;
  margin-left: auto;
  flex-shrink: 0;
}
.btn-icon-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  transition: all .15s;
  cursor: pointer;
}
.btn-icon-sm svg { width: 15px; height: 15px; }
.btn-icon-sm:hover { background: rgba(255,255,255,.18); color: #fff; }

/* ── Mobile nav ──────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--mobile-nav-h);
  background: #fff;
  border-top: 1.5px solid var(--border);
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(22,163,74,.08);
}

.mob-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .25rem;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: .65rem;
  font-weight: 600;
  transition: color .15s;
  padding: .5rem 0;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.mob-btn svg { width: 22px; height: 22px; }
.mob-btn.active { color: var(--g600); }
.mob-btn.active svg { stroke-width: 2.5; }

/* ── Main content ────────────────────────────────────── */
.app-main {
  min-height: calc(100vh - var(--header-h));
}

/* ── View container ──────────────────────────────────── */
.view {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.view-wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Diagnostic Hero ─────────────────────────────────── */
.diag-hero {
  background: linear-gradient(135deg, var(--g900) 0%, #0f3d22 60%, #1a4d2e 100%);
  border-radius: var(--radius);
  padding: 2rem 2rem 2rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.diag-hero::before {
  content: '';
  position: absolute;
  right: -30px; top: -30px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(134,239,172,.18) 0%, transparent 70%);
  pointer-events: none;
}
.diag-hero::after {
  content: '';
  position: absolute;
  left: 40%; bottom: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(253,224,71,.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-icon {
  width: 64px; height: 64px;
  flex-shrink: 0;
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #86efac;
}
.hero-icon svg { width: 32px; height: 32px; }

.hero-text h1 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.hero-text p {
  margin-top: .35rem;
  font-size: .875rem;
  color: rgba(255,255,255,.7);
  max-width: 380px;
}

/* ── Diagnostic Form Card ────────────────────────────── */
.form-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* ── Form Step ───────────────────────────────────────── */
.form-step {
  padding: 1.5rem 1.75rem;
}

.step-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}

.step-num {
  width: 30px; height: 30px;
  background: var(--g600);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  font-weight: 800;
  flex-shrink: 0;
}

.step-label {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
}
.step-label svg { width: 17px; height: 17px; color: var(--g600); }
.step-label .opt {
  font-size: .75rem;
  font-weight: 400;
  color: var(--muted);
  margin-left: .25rem;
}

.step-divider {
  height: 1px;
  background: var(--border);
  margin: 0 1.75rem;
}

/* ── Plant select ────────────────────────────────────── */
.select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.select-leaf {
  position: absolute;
  left: 14px;
  width: 18px; height: 18px;
  color: var(--g600);
  pointer-events: none;
  z-index: 1;
}
.select-arrow {
  position: absolute;
  right: 14px;
  width: 16px; height: 16px;
  color: var(--muted);
  pointer-events: none;
  z-index: 1;
}

.plant-select {
  width: 100%;
  appearance: none;
  font: inherit;
  font-size: .95rem;
  padding: .75rem 2.5rem .75rem 2.75rem;
  border: 2px solid var(--g200);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.plant-select:focus {
  outline: none;
  border-color: var(--g600);
  box-shadow: 0 0 0 3px rgba(22,163,74,.15);
}
.plant-select.shake { animation: shake .35s ease; }

/* ── Symptom textarea ────────────────────────────────── */
.symptom-textarea {
  width: 100%;
  font: inherit;
  font-size: .9rem;
  line-height: 1.6;
  padding: .85rem 1rem;
  border: 2px solid var(--g200);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  resize: vertical;
  min-height: 120px;
  transition: border-color .15s, box-shadow .15s;
}
.symptom-textarea::placeholder { color: #9cb8a7; }
.symptom-textarea:focus {
  outline: none;
  border-color: var(--g600);
  box-shadow: 0 0 0 3px rgba(22,163,74,.15);
}
.symptom-textarea.shake { animation: shake .35s ease; }

/* ── Upload zone ─────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--g300);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1rem;
  background: var(--g50);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  text-align: center;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--g600);
  background: var(--g100);
}
.upload-zone > svg {
  width: 36px; height: 36px;
  color: var(--g400);
}
.upload-zone p {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.5;
}
.upload-or {
  font-size: .78rem;
  color: var(--g400);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.upload-hint {
  font-size: .72rem;
  color: var(--g400);
}
.btn-upload {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1rem;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--g300);
  background: var(--surface);
  color: var(--g700);
  font-size: .82rem;
  font-weight: 600;
  transition: all .15s;
}
.btn-upload svg { width: 14px; height: 14px; }
.btn-upload:hover { border-color: var(--g600); background: var(--g50); }

/* ── Photo preview ───────────────────────────────────── */
.photo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: .75rem;
}
.photo-thumb {
  position: relative;
  width: 80px; height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--g200);
}
.photo-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.photo-del {
  position: absolute;
  top: 3px; right: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(220,38,38,.85);
  border: none;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .15s;
}
.photo-del svg { width: 11px; height: 11px; }
.photo-del:hover { background: var(--danger); }

/* ── Search button ───────────────────────────────────── */
.search-btn {
  width: 100%;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  border: none;
  border-radius: 0 0 var(--radius) var(--radius);
  background: linear-gradient(135deg, var(--g700) 0%, var(--g600) 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: opacity .15s, transform .1s;
  box-shadow: 0 -1px 0 rgba(255,255,255,.08) inset;
  cursor: pointer;
  position: relative;
}
.search-btn svg { width: 20px; height: 20px; }
.search-btn:hover { opacity: .92; }
.search-btn:active { transform: scale(.99); }
.search-btn:disabled { opacity: .6; cursor: not-allowed; }

/* Loading spinner */
.search-btn.loading span,
.search-btn.loading svg { opacity: 0; }
.search-btn.loading::after {
  content: '';
  position: absolute;
  width: 22px; height: 22px;
  border: 2.5px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* ── Results section ─────────────────────────────────── */
.results-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-header-card {
  background: linear-gradient(135deg, var(--g800) 0%, var(--g900) 100%);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow);
}
.result-header-icon {
  width: 48px; height: 48px;
  background: rgba(255,255,255,.12);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #86efac;
  flex-shrink: 0;
}
.result-header-icon svg { width: 24px; height: 24px; }
.result-header-card h2 { font-size: 1.05rem; font-weight: 700; color: #fff; }
.result-header-card p { font-size: .85rem; color: rgba(255,255,255,.75); margin-top: .15rem; }
.result-header-card strong { color: #86efac; }

.photo-count-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: .35rem;
  font-size: .72rem;
  font-weight: 600;
  color: var(--y300);
  background: rgba(253,224,71,.12);
  padding: .2rem .6rem;
  border-radius: 999px;
}
.photo-count-badge svg { width: 11px; height: 11px; }

/* ── Disease card ────────────────────────────────────── */
.disease-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  border-left: 4px solid var(--g300);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.disease-card.sev-high  { border-left-color: #ef4444; }
.disease-card.sev-med   { border-left-color: var(--y400); }
.disease-card.sev-low   { border-left-color: var(--g500); }
.disease-card.disease-card-top {
  border: 2px solid var(--g600);
  border-left-width: 4px;
  box-shadow: var(--shadow);
}

.disease-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.disease-rank-badge {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
  background: var(--g50);
  padding: .2rem .65rem;
  border-radius: 999px;
}
.disease-card-top .disease-rank-badge {
  background: var(--g100);
  color: var(--g700);
}

.sev-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25rem .75rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
}
.sev-badge svg { width: 12px; height: 12px; }
.sev-badge.sev-high { background: #fee2e2; color: #991b1b; }
.sev-badge.sev-med  { background: var(--y100); color: #854d0e; }
.sev-badge.sev-low  { background: var(--g100); color: var(--g800); }

.disease-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
}

.disease-pathogen {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .78rem;
  color: var(--muted);
  font-style: italic;
}
.disease-pathogen svg { width: 12px; height: 12px; }

/* ── Confidence bar ──────────────────────────────────── */
.confidence-row {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.confidence-lbl {
  font-size: .72rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
.confidence-bar {
  flex: 1;
  height: 8px;
  background: var(--g100);
  border-radius: 999px;
  overflow: hidden;
}
.confidence-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--g500) 0%, var(--g600) 100%);
  border-radius: 999px;
  transition: width .6s ease;
}
.confidence-val {
  font-size: .82rem;
  font-weight: 800;
  color: var(--g700);
  min-width: 36px;
  text-align: right;
}

.disease-desc {
  font-size: .875rem;
  color: var(--text);
  line-height: 1.65;
}

/* ── Disease sections ────────────────────────────────── */
.disease-section {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.section-title {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
}
.section-title svg { width: 13px; height: 13px; }

.treatment-list {
  padding-left: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.treatment-list li {
  font-size: .875rem;
  color: var(--text);
  line-height: 1.5;
}

.prevention-box {
  background: var(--y50);
  border: 1px solid var(--y200);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
}
.prevention-box .section-title { color: var(--y500); }
.prevention-box p { font-size: .875rem; color: var(--text); }

.disease-card-footer {
  padding-top: .75rem;
  border-top: 1px solid var(--border);
}
.add-to-garden-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1rem;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--g300);
  background: var(--g50);
  color: var(--g700);
  font-size: .82rem;
  font-weight: 600;
  transition: all .15s;
}
.add-to-garden-btn svg { width: 14px; height: 14px; }
.add-to-garden-btn:hover { border-color: var(--g600); background: var(--g100); }

.result-empty {
  background: var(--surface);
  border: 1.5px dashed var(--g200);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  color: var(--muted);
}
.result-empty svg { width: 48px; height: 48px; color: var(--g300); }
.result-empty h3 { font-size: 1rem; font-weight: 700; color: var(--text); }
.result-empty p { font-size: .875rem; max-width: 380px; line-height: 1.6; }

.result-footer {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--g50);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: .8rem;
  color: var(--muted);
}
.result-footer svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--g400); }

/* ── Notice (inline alert) ───────────────────────────── */
.notice {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--y100);
  border: 1px solid var(--y200);
  border-radius: var(--radius-sm);
  padding: .6rem 1rem;
  font-size: .85rem;
  color: #78350f;
  margin-bottom: .75rem;
  animation: slideDown .25s ease;
}
.notice svg { width: 15px; height: 15px; flex-shrink: 0; }

/* ── Garden view ─────────────────────────────────────── */
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.view-title {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.view-title svg { width: 22px; height: 22px; color: var(--g600); }
.view-title h2 { font-size: 1.25rem; font-weight: 800; color: var(--text); }

.garden-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.garden-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: box-shadow .2s;
}
.garden-card:hover { box-shadow: var(--shadow); }
.garden-card-top {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}
.garden-emoji { font-size: 2rem; line-height: 1; flex-shrink: 0; }
.garden-info { flex: 1; min-width: 0; }
.garden-info strong { display: block; font-size: .95rem; font-weight: 700; }
.garden-info span { font-size: .78rem; color: var(--muted); }
.garden-card-actions { display: flex; gap: .25rem; margin-left: auto; }

.disease-chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--y100);
  color: #854d0e;
  border-radius: var(--radius-xs);
  padding: .2rem .6rem;
  font-size: .72rem;
  font-weight: 600;
}
.disease-chip svg { width: 11px; height: 11px; }

.garden-notes { font-size: .8rem; color: var(--muted); line-height: 1.4; }
.garden-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  flex-wrap: wrap;
}
.garden-date { font-size: .72rem; color: var(--muted); }

.status-chip {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
}
.status-healthy   { background: var(--g100);  color: var(--g800); }
.status-sick      { background: #fee2e2;       color: #991b1b; }
.status-treated   { background: var(--y100);   color: #854d0e; }
.status-recovered { background: #dbeafe;       color: #1e40af; }

.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3.5rem 2rem;
  background: var(--surface);
  border: 1.5px dashed var(--g200);
  border-radius: var(--radius);
  text-align: center;
  color: var(--muted);
}
.empty-state svg { width: 52px; height: 52px; color: var(--g200); }
.empty-state h3 { font-size: 1rem; font-weight: 700; color: var(--text); }
.empty-state p { font-size: .875rem; max-width: 320px; line-height: 1.6; }

/* ── Guide view ──────────────────────────────────────── */
.guide-search {
  position: relative;
  display: flex;
  align-items: center;
}
.guide-search-icon {
  position: absolute;
  left: 14px;
  width: 17px; height: 17px;
  color: var(--muted);
  pointer-events: none;
}
.guide-search-input {
  width: 100%;
  font: inherit;
  font-size: .9rem;
  padding: .75rem 1rem .75rem 2.75rem;
  border: 2px solid var(--g200);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.guide-search-input:focus {
  outline: none;
  border-color: var(--g600);
  box-shadow: 0 0 0 3px rgba(22,163,74,.15);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.guide-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.guide-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .5rem;
}
.guide-card-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.guide-pathogen {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .76rem;
  color: var(--muted);
  font-style: italic;
}
.guide-pathogen svg { width: 12px; height: 12px; }
.guide-desc { font-size: .83rem; color: var(--text); line-height: 1.6; }
.plant-chips { display: flex; flex-wrap: wrap; gap: .3rem; }
.plant-chip {
  display: inline-block;
  padding: .18rem .55rem;
  border-radius: 999px;
  background: var(--g100);
  color: var(--g800);
  font-size: .7rem;
  font-weight: 600;
}

.guide-details summary {
  cursor: pointer;
  font-size: .82rem;
  font-weight: 600;
  color: var(--g600);
  padding: .4rem 0;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: .35rem;
}
.guide-details summary::before {
  content: '▶';
  font-size: .6rem;
  transition: transform .2s;
}
.guide-details[open] summary::before { transform: rotate(90deg); }
.guide-details ul {
  padding-left: 1.2rem;
  margin-top: .5rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.guide-details li { font-size: .82rem; color: var(--text); }
.prevention-note {
  margin-top: .5rem;
  font-size: .82rem;
  color: var(--text);
  background: var(--y50);
  border-radius: var(--radius-xs);
  padding: .5rem .75rem;
}

/* ── History view ────────────────────────────────────── */
.history-list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.history-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.history-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}
.history-plant-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: .95rem;
}
.history-plant-emoji { font-size: 1.3rem; }
.history-date { font-size: .78rem; color: var(--muted); }
.history-symptom-text {
  font-size: .82rem;
  color: var(--muted);
  font-style: italic;
  line-height: 1.5;
  padding: .35rem .6rem;
  background: var(--bg);
  border-radius: var(--radius-xs);
  border-left: 3px solid var(--g200);
}
.history-results {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  font-size: .78rem;
}
.history-results strong { color: var(--muted); }
.disease-tag {
  display: inline-block;
  padding: .18rem .55rem;
  border-radius: var(--radius-xs);
  background: var(--y100);
  color: #854d0e;
  font-size: .72rem;
  font-weight: 600;
}
.photos-badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: .72rem;
  color: var(--muted);
  background: var(--g50);
  padding: .15rem .5rem;
  border-radius: 999px;
}
.photos-badge svg { width: 11px; height: 11px; }
.btn-del-history {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .3rem .65rem;
  border: 1px solid #fecaca;
  border-radius: var(--radius-xs);
  background: #fff5f5;
  color: var(--danger);
  font-size: .75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.btn-del-history svg { width: 12px; height: 12px; }
.btn-del-history:hover { background: #fee2e2; }

/* ── Buttons ─────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--g600);
  color: #fff;
  font-size: .875rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.btn-primary svg { width: 15px; height: 15px; }
.btn-primary:hover { background: var(--g700); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--g200);
  background: var(--surface);
  color: var(--text);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.btn-secondary svg { width: 15px; height: 15px; }
.btn-secondary:hover { background: var(--g50); }

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--danger);
  color: #fff;
  font-size: .875rem;
  font-weight: 700;
  cursor: pointer;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .35rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: all .15s;
}
.btn-icon svg { width: 14px; height: 14px; }
.btn-icon:hover { background: var(--bg); color: var(--text); }
.btn-icon.danger { color: var(--danger); border-color: #fecaca; background: #fff5f5; }
.btn-icon.danger:hover { background: #fee2e2; }

/* ── Modal ───────────────────────────────────────────── */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  z-index: 200;
  backdrop-filter: blur(3px);
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--surface);
  border-radius: 16px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  animation: slideUp .2s ease;
  overflow: hidden;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-header .btn-icon { border: none; background: transparent; }
#modal-form {
  display: flex;
  flex-direction: column;
  gap: .875rem;
  padding: 1.25rem;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
}
.modal-field { display: flex; flex-direction: column; gap: .35rem; }
.modal-field label {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}
.modal-field input, .modal-field select, .modal-field textarea {
  font: inherit;
  font-size: .9rem;
  padding: .55rem .75rem;
  border: 1.5px solid var(--g200);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.modal-field input:focus, .modal-field select:focus, .modal-field textarea:focus {
  outline: none;
  border-color: var(--g600);
  box-shadow: 0 0 0 3px rgba(22,163,74,.15);
}
.modal-field textarea { min-height: 70px; resize: vertical; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
  margin-top: .25rem;
}

/* ── Animations ──────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes slideUp {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
@keyframes slideDown {
  from { transform: translateY(-8px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60%  { transform: translateX(-5px); }
  40%, 80%  { transform: translateX(5px); }
}

/* ── Language switcher ───────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: .15rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  padding: .2rem .25rem;
  flex-shrink: 0;
}
.lang-btn {
  width: 28px; height: 24px;
  border: none;
  border-radius: 5px;
  background: transparent;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: .55;
  transition: opacity .15s, background .15s;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}
.lang-btn:hover { opacity: .85; background: rgba(255,255,255,.1); }
.lang-btn.active {
  opacity: 1;
  background: rgba(255,255,255,.18);
  box-shadow: 0 0 0 1.5px rgba(255,255,255,.3);
}

/* ── Toast notification ──────────────────────────────── */
#lang-toast {
  position: fixed;
  top: calc(var(--header-h) + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--g800);
  color: #fff;
  padding: .45rem 1.1rem;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 300;
  white-space: nowrap;
}
#lang-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── RTL (Arabic) ────────────────────────────────────── */
[dir="rtl"] .app-header { flex-direction: row-reverse; }
[dir="rtl"] .desktop-nav { flex-direction: row-reverse; }
[dir="rtl"] .brand { flex-direction: row-reverse; }
[dir="rtl"] .nav-btn { flex-direction: row-reverse; }
[dir="rtl"] .mob-btn span { direction: rtl; }

[dir="rtl"] .form-step,
[dir="rtl"] .step-header,
[dir="rtl"] .step-label { flex-direction: row-reverse; }

[dir="rtl"] .select-leaf { left: auto; right: 14px; }
[dir="rtl"] .select-arrow { right: auto; left: 14px; }
[dir="rtl"] .plant-select { padding: .75rem 2.75rem .75rem 2.5rem; text-align: right; }
[dir="rtl"] .symptom-textarea { text-align: right; }
[dir="rtl"] .upload-zone { direction: rtl; }

[dir="rtl"] .result-header-card { flex-direction: row-reverse; }
[dir="rtl"] .disease-card-header { flex-direction: row-reverse; }
[dir="rtl"] .disease-pathogen { flex-direction: row-reverse; }
[dir="rtl"] .confidence-row { flex-direction: row-reverse; }
[dir="rtl"] .section-title { flex-direction: row-reverse; }
[dir="rtl"] .treatment-list { padding-right: 1.4rem; padding-left: 0; }
[dir="rtl"] .result-footer { flex-direction: row-reverse; }
[dir="rtl"] .result-header-card { text-align: right; }
[dir="rtl"] .disease-card { text-align: right; }

[dir="rtl"] .view-header { flex-direction: row-reverse; }
[dir="rtl"] .view-title { flex-direction: row-reverse; }
[dir="rtl"] .garden-card-top { flex-direction: row-reverse; }
[dir="rtl"] .garden-info { text-align: right; }
[dir="rtl"] .garden-meta { flex-direction: row-reverse; }
[dir="rtl"] .garden-card-actions { margin-left: 0; margin-right: auto; }

[dir="rtl"] .history-card-top { flex-direction: row-reverse; }
[dir="rtl"] .history-plant-label { flex-direction: row-reverse; }
[dir="rtl"] .history-symptom-text { border-left: none; border-right: 3px solid var(--g200); }
[dir="rtl"] .history-results { flex-direction: row-reverse; }

[dir="rtl"] .guide-card-header { flex-direction: row-reverse; }
[dir="rtl"] .guide-pathogen { flex-direction: row-reverse; }
[dir="rtl"] .guide-details ul { padding-right: 1.2rem; padding-left: 0; }
[dir="rtl"] .guide-details summary { flex-direction: row-reverse; }
[dir="rtl"] .modal-header { flex-direction: row-reverse; }
[dir="rtl"] .modal-actions { flex-direction: row-reverse; }
[dir="rtl"] .modal-field { text-align: right; }
[dir="rtl"] .modal-field input,
[dir="rtl"] .modal-field select,
[dir="rtl"] .modal-field textarea { text-align: right; direction: rtl; }

[dir="rtl"] .notice { flex-direction: row-reverse; }
[dir="rtl"] .lang-switcher { margin-left: 0; }
[dir="rtl"] .header-actions { margin-left: 0; margin-right: auto; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  body { padding-bottom: var(--mobile-nav-h); }
  .mobile-nav { display: flex; }
  .desktop-nav { display: none; }
  .header-actions { display: none; }
  .lang-switcher { gap: .1rem; padding: .15rem .2rem; }
  .lang-btn { width: 24px; height: 22px; font-size: 1rem; }

  .view, .view-wide { padding: 1.25rem 1rem; gap: 1.1rem; }

  .guide-grid { grid-template-columns: 1fr; }
  .diag-hero { padding: 1.25rem; gap: 1rem; }
  .hero-icon { width: 48px; height: 48px; }
  .hero-icon svg { width: 24px; height: 24px; }
  .hero-text h1 { font-size: 1.1rem; }
  .form-step { padding: 1.1rem 1.1rem; }
  .step-divider { margin: 0 1.1rem; }
}

@media (max-width: 480px) {
  .garden-grid { grid-template-columns: 1fr; }
  .disease-card-header { flex-direction: column; align-items: flex-start; }
}