:root {
  --color-primary: #1D9E75;
  --color-primary-dark: #0F6E56;
  --color-primary-light: #E1F5EE;
  --color-accent: #EF9F27;
  --color-accent-light: #FAEEDA;
  --color-danger: #E24B4A;
  --color-danger-light: #FCEBEB;
  --color-info: #378ADD;
  --color-info-light: #E6F1FB;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-text-light: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-soft: #fafaf9;
  --color-bg-muted: #f5f4f1;
  --color-border: #e5e7eb;
  --color-border-strong: #d1d5db;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ===================== LANDING PAGE ===================== */
.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary-dark);
}
.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 16px;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { color: var(--color-text-muted); font-size: 14px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--color-text); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 14px;
  transition: all .15s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn-ghost { color: var(--color-text); border-color: var(--color-border); background: white; }
.btn-ghost:hover { border-color: var(--color-border-strong); }
.btn-lg { padding: 14px 24px; font-size: 15px; }

.hero {
  padding: 80px 48px 100px;
  text-align: center;
  background: radial-gradient(ellipse at top, var(--color-primary-light) 0%, transparent 60%);
  position: relative;
  overflow: hidden;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--color-primary-dark);
  font-weight: 500;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; }

.features {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  text-align: center;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 56px;
  font-size: 17px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature-card {
  padding: 28px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all .2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.feature-icon {
  width: 44px;
  height: 44px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  color: var(--color-primary);
  font-size: 22px;
}
.feature-card h3 { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { color: var(--color-text-muted); font-size: 14px; }

.pricing { padding: 80px 48px; background: var(--color-bg-soft); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.price-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: scale(1.03);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}
.price-name { font-family: var(--font-display); font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.price-desc { color: var(--color-text-muted); font-size: 14px; margin-bottom: 20px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 24px; }
.price-amount .num { font-family: var(--font-display); font-size: 40px; font-weight: 700; }
.price-amount .period { color: var(--color-text-muted); font-size: 14px; }
.price-features { list-style: none; margin-bottom: 24px; }
.price-features li { display: flex; gap: 8px; padding: 6px 0; font-size: 14px; color: var(--color-text); }
.price-features li i { color: var(--color-primary); margin-top: 2px; }
.price-card .btn { width: 100%; justify-content: center; }

.landing-footer {
  padding: 40px 48px;
  text-align: center;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ===================== APP LAYOUT ===================== */
.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--color-bg-soft);
  border-right: 1px solid var(--color-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}
.sidebar .logo { margin-bottom: 32px; padding: 0 8px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  margin-bottom: 2px;
}
.nav-item:hover { background: white; color: var(--color-text); }
.nav-item.active { background: white; color: var(--color-primary-dark); box-shadow: var(--shadow-sm); }
.nav-item.active i { color: var(--color-primary); }
.nav-item i { font-size: 18px; width: 18px; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-md);
}
.avatar {
  width: 32px;
  height: 32px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}
.user-chip .name { font-size: 13px; font-weight: 500; }
.user-chip .plan { font-size: 11px; color: var(--color-text-muted); }

.main {
  background: var(--color-bg);
  overflow-y: auto;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--color-border);
  background: white;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar h1 { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

.view { padding: 28px 32px; display: none; }
.view.active { display: block; }

/* ----- Dashboard ----- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card { background: var(--color-bg-soft); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px; }
.stat-label { font-size: 13px; color: var(--color-text-muted); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.stat-value { font-family: var(--font-display); font-size: 28px; font-weight: 700; }
.stat-trend { font-size: 12px; color: var(--color-primary); margin-top: 4px; }

.panels-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.panel { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.panel-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; }
.panel-link { font-size: 13px; color: var(--color-primary); font-weight: 500; }

.patient-list { display: flex; flex-direction: column; gap: 8px; }
.patient-row { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: var(--radius-md); cursor: pointer; transition: background .15s; }
.patient-row:hover { background: var(--color-bg-soft); }
.patient-row .name { font-weight: 500; font-size: 14px; flex: 1; }
.patient-row .meta { font-size: 12px; color: var(--color-text-muted); }

.trending-item { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: var(--radius-md); cursor: pointer; }
.trending-item:hover { background: var(--color-bg-soft); }
.trending-icon { width: 36px; height: 36px; background: var(--color-accent-light); color: var(--color-accent); border-radius: var(--radius-sm); display: grid; place-items: center; font-size: 16px; }
.trending-item .name { font-size: 14px; font-weight: 500; }
.trending-item .meta { font-size: 12px; color: var(--color-text-muted); }

/* ----- Tables ----- */
.toolbar { display: flex; gap: 12px; margin-bottom: 20px; align-items: center; }
.search-input {
  flex: 1;
  padding: 10px 14px 10px 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='8'/><line x1='21' y1='21' x2='16.65' y2='16.65'/></svg>") 12px center no-repeat;
  outline: none;
  transition: border-color .15s;
}
.search-input:focus { border-color: var(--color-primary); background-color: white; }

.data-table { width: 100%; border-collapse: collapse; background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.data-table th { text-align: left; padding: 12px 16px; font-size: 12px; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; background: var(--color-bg-soft); border-bottom: 1px solid var(--color-border); }
.data-table td { padding: 14px 16px; border-bottom: 1px solid var(--color-border); font-size: 14px; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--color-bg-soft); cursor: pointer; }
.tag { display: inline-block; padding: 3px 10px; font-size: 12px; border-radius: 100px; font-weight: 500; }
.tag-green { background: var(--color-primary-light); color: var(--color-primary-dark); }
.tag-amber { background: var(--color-accent-light); color: #854F0B; }
.tag-blue { background: var(--color-info-light); color: #0C447C; }

/* ----- Recipe cards ----- */
.recipe-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.recipe-card { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; transition: all .2s; }
.recipe-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.recipe-thumb { height: 100px; background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light)); display: grid; place-items: center; font-size: 36px; color: var(--color-primary-dark); }
.recipe-info { padding: 14px; }
.recipe-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.recipe-meta { font-size: 12px; color: var(--color-text-muted); display: flex; gap: 10px; }

/* ===================== GENERADOR DE DIETAS ===================== */
.diet-layout { display: grid; grid-template-columns: 260px 1fr; gap: 20px; height: calc(100vh - 130px); }
.diet-sidebar { background: var(--color-bg-soft); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 16px; overflow-y: auto; }
.diet-sidebar-title { font-size: 12px; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.diet-sidebar-section { margin-bottom: 20px; }
.diet-sidebar .search-input { background-color: white; margin-bottom: 12px; padding: 8px 12px 8px 32px; font-size: 13px; background-position: 10px center; }

.recipe-chip {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  margin-bottom: 6px;
  cursor: grab;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  transition: all .15s;
  user-select: none;
}
.recipe-chip:hover { border-color: var(--color-primary); transform: translateX(2px); }
.recipe-chip:active { cursor: grabbing; }
.recipe-chip.dragging { opacity: 0.4; }
.recipe-chip .chip-icon { font-size: 16px; color: var(--color-text-muted); }
.recipe-chip .chip-kcal { margin-left: auto; font-size: 11px; color: var(--color-text-muted); }
.recipe-chip.trending { border-left: 3px solid var(--color-accent); }

.diet-canvas { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px; overflow-y: auto; }

.patient-bar { display: flex; gap: 12px; margin-bottom: 16px; }
.patient-info { flex: 2; display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--color-bg-soft); border-radius: var(--radius-md); }
.patient-info .avatar { width: 40px; height: 40px; font-size: 14px; }
.patient-info .name { font-weight: 600; font-size: 15px; }
.patient-info .meta { font-size: 12px; color: var(--color-text-muted); }
.macro-card { flex: 1; display: flex; gap: 16px; align-items: center; justify-content: center; padding: 12px 16px; background: var(--color-bg-soft); border-radius: var(--radius-md); }
.macro-stat { text-align: center; }
.macro-stat .label { font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.macro-stat .value { font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.macro-stat .value.success { color: var(--color-primary); }
.macro-stat .value.warning { color: var(--color-accent); }
.macro-divider { width: 1px; height: 32px; background: var(--color-border); }

.week-grid {
  display: grid;
  grid-template-columns: 80px repeat(7, 1fr);
  gap: 6px;
}
.day-header { font-size: 12px; font-weight: 600; text-align: center; padding: 8px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.day-header.today { color: var(--color-primary); }
.meal-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  height: 80px;
  padding: 8px;
}
.meal-label i { font-size: 14px; }

.drop-zone {
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  min-height: 80px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all .15s;
}
.drop-zone.drag-over { border-color: var(--color-primary); background: var(--color-primary-light); border-style: solid; }
.drop-zone.empty { align-items: center; justify-content: center; }
.drop-zone.empty::before {
  content: '+';
  color: var(--color-text-light);
  font-size: 20px;
  font-weight: 300;
}
.drop-zone.empty.drag-over::before { content: 'Soltar'; font-size: 11px; color: var(--color-primary-dark); }

.meal-item {
  background: white;
  border: 1px solid var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: grab;
  position: relative;
}
.meal-item:hover { box-shadow: var(--shadow-sm); }
.meal-item .meal-name { flex: 1; font-weight: 500; }
.meal-item .meal-remove { color: var(--color-text-light); cursor: pointer; font-size: 14px; line-height: 1; padding: 0 2px; opacity: 0; transition: opacity .15s; }
.meal-item:hover .meal-remove { opacity: 1; }
.meal-item .meal-remove:hover { color: var(--color-danger); }

.canvas-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

/* ===================== MODAL ===================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(2px);
}
.modal-overlay.active { display: flex; }
.modal {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 440px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}
.modal h2 { font-family: var(--font-display); font-size: 22px; margin-bottom: 8px; }
.modal p { color: var(--color-text-muted); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.form-group input { width: 100%; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-md); outline: none; transition: border-color .15s; }
.form-group input:focus { border-color: var(--color-primary); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 24px; }

/* ===================== LOGIN ===================== */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at top left, var(--color-primary-light) 0%, transparent 50%), radial-gradient(ellipse at bottom right, var(--color-accent-light) 0%, transparent 50%);
  padding: 24px;
}
.login-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}
.login-card .logo { justify-content: center; margin-bottom: 8px; }
.login-card .subtitle { text-align: center; color: var(--color-text-muted); margin-bottom: 28px; font-size: 14px; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 8px; }
.login-card .login-footer { text-align: center; margin-top: 20px; font-size: 13px; color: var(--color-text-muted); }
.login-card .login-footer a { color: var(--color-primary-dark); font-weight: 500; }
.login-hint { background: var(--color-info-light); padding: 8px 12px; border-radius: var(--radius-sm); font-size: 12px; color: #0C447C; margin-bottom: 16px; text-align: center; }

/* ===================== UTILITIES ===================== */
.hidden { display: none !important; }
.text-muted { color: var(--color-text-muted); }
.icon-btn { width: 36px; height: 36px; border-radius: var(--radius-md); border: 1px solid var(--color-border); background: white; display: grid; place-items: center; color: var(--color-text-muted); transition: all .15s; }
.icon-btn:hover { background: var(--color-bg-soft); color: var(--color-text); }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .diet-layout { grid-template-columns: 1fr; height: auto; }
  .panels-grid { grid-template-columns: 1fr; }
  .week-grid { grid-template-columns: 60px repeat(7, minmax(110px, 1fr)); overflow-x: auto; }
  .landing-nav { padding: 16px 20px; }
  .hero { padding: 60px 20px; }
  .features, .pricing { padding: 60px 20px; }
  .nav-links { display: none; }
}