:root {
  color-scheme: light;
  --bg: #f3efe3;
  --panel: rgba(255, 253, 247, .94);
  --panel-strong: #fffaf0;
  --ink: #17251d;
  --muted: #667268;
  --line: #e3d8c4;
  --green: #236b4b;
  --green-2: #39a36d;
  --orange: #d5873a;
  --blue: #5168bc;
  --nav: #112018;
  --nav-soft: #1c3427;
  --danger: #a43434;
  --shadow: 0 28px 80px rgba(41, 31, 17, .12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 226, 154, .65), transparent 28rem),
    radial-gradient(circle at 80% 0%, rgba(79, 138, 104, .22), transparent 30rem),
    var(--bg);
  color: var(--ink);
}

button, input, textarea { font: inherit; }

button {
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: white;
  cursor: pointer;
  font-weight: 850;
  padding: 13px 17px;
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}

button:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(35, 107, 75, .22); }
button:disabled { cursor: wait; opacity: .55; transform: none; box-shadow: none; }
button.secondary { background: #ebe1d0; color: var(--ink); }
button.ghost { width: 100%; background: rgba(255,255,255,.09); color: #f4ead6; box-shadow: none; }

input, textarea {
  width: 100%;
  border: 1px solid #d9ceb8;
  border-radius: 16px;
  background: #fffaf2;
  color: var(--ink);
  outline: none;
  padding: 13px 14px;
}

input:focus, textarea:focus { border-color: var(--green-2); box-shadow: 0 0 0 4px rgba(57, 163, 109, .14); }
textarea { resize: vertical; }
label { display: grid; gap: 8px; color: var(--muted); font-weight: 800; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 820px; margin-bottom: 0; font-size: clamp(2rem, 4vw, 4.2rem); line-height: .94; letter-spacing: -.06em; }
h2 { margin-bottom: 12px; font-size: clamp(1.35rem, 2vw, 2rem); letter-spacing: -.035em; }
p { color: var(--muted); line-height: 1.6; }
canvas { max-width: 100%; }

.app-frame { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
  background: linear-gradient(180deg, var(--nav), #0b140f);
  color: #f8ecd7;
}

.brand-block { display: flex; align-items: center; gap: 12px; }
.brand-block strong { display: block; font-size: 1.05rem; }
.brand-block small, .sidebar-footer small { color: rgba(248, 236, 215, .62); }
.brand-mark {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  border-radius: 17px;
  background: linear-gradient(135deg, #e7a24e, #3fb473);
  color: #102017;
  font-weight: 950;
  letter-spacing: -.04em;
}

.main-nav { display: grid; align-content: start; gap: 9px; }
.nav-item {
  width: 100%;
  padding: 13px 14px;
  border-radius: 15px;
  background: transparent;
  color: rgba(248, 236, 215, .72);
  text-align: left;
  box-shadow: none;
}
.nav-item:hover, .nav-item.active { background: var(--nav-soft); color: #fff4df; box-shadow: none; }
.sidebar-footer { display: grid; gap: 12px; }

.content-shell { min-width: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid rgba(227, 216, 196, .7);
  background: rgba(243, 239, 227, .82);
  backdrop-filter: blur(20px);
}

.menu-toggle { display: none; background: #e9dfcc; color: var(--ink); box-shadow: none; }
.primary-action { white-space: nowrap; }
.content { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 28px 0 44px; }
.section-page { display: grid; gap: 22px; }

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: .76rem;
  font-weight: 950;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero-grid { display: grid; grid-template-columns: minmax(300px, 1.4fr) repeat(3, minmax(150px, .62fr)); gap: 18px; }
.hero-card, .metric-card, .panel, .login-card, .login-brand {
  border: 1px solid rgba(227, 216, 196, .9);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-card {
  min-height: 220px;
  padding: 28px;
  display: grid;
  align-content: end;
  background:
    linear-gradient(135deg, rgba(22, 42, 30, .9), rgba(35, 107, 75, .84)),
    radial-gradient(circle at top right, rgba(235, 173, 79, .6), transparent 20rem);
  color: white;
}
.hero-card .eyebrow, .hero-card span { color: rgba(255,255,255,.78); }
.hero-card strong { display: block; margin-bottom: 8px; font-size: clamp(3rem, 8vw, 5.6rem); line-height: .9; letter-spacing: -.07em; }
.hero-card span { display: block; margin-top: 6px; }
.metric-card { padding: 22px; display: grid; align-content: end; gap: 8px; background: linear-gradient(180deg, #fffdf8, #f7efde); }
.metric-card small { color: var(--muted); font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.metric-card strong { font-size: 2.2rem; line-height: 1; letter-spacing: -.05em; }
.metric-card span { color: var(--muted); font-size: .92rem; }
.metric-card.warm strong { color: var(--orange); }
.metric-card.cool strong { color: var(--blue); }

.panel { padding: clamp(20px, 3vw, 32px); }
.split-panel { display: grid; grid-template-columns: minmax(280px, .85fr) minmax(320px, 1fr); gap: 24px; align-items: center; }
.panel-heading { max-width: 760px; margin-bottom: 20px; }
.panel-heading.compact { margin-bottom: 8px; }
.grid { display: grid; gap: 20px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.span-2 { grid-column: span 2; }
.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 18px; }
.meal-panel { background: linear-gradient(135deg, rgba(255,253,247,.96), rgba(244, 233, 210, .94)); }
.preview { width: 100%; max-height: 360px; object-fit: cover; border: 1px solid var(--line); border-radius: 24px; margin-top: 18px; }
.status { min-height: 1.5em; margin: 0; font-weight: 800; }
.status.error { color: var(--danger); }
.status.ok { color: var(--green); }
.muted { color: var(--muted); font-size: .93rem; }
.chart-panel canvas, .split-panel canvas { width: 100%; height: auto; }
.row-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.row-title h2 { margin-bottom: 0; }
.entries { display: grid; gap: 12px; }
.entry {
  display: grid;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  background: var(--panel-strong);
}
.entry strong { font-size: 1.02rem; }
.entry small { color: var(--muted); }

.login-body { display: grid; place-items: center; padding: 24px; }
.login-shell { width: min(980px, 100%); display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: stretch; }
.login-brand {
  min-height: 560px;
  padding: clamp(28px, 5vw, 54px);
  display: grid;
  align-content: end;
  background:
    linear-gradient(135deg, rgba(15, 29, 21, .94), rgba(29, 88, 61, .86)),
    radial-gradient(circle at top right, rgba(218, 150, 72, .82), transparent 22rem);
  color: #fff4df;
}
.login-brand h1 { color: white; }
.login-brand p, .login-brand .eyebrow { color: rgba(255,244,223,.78); }
.login-card { padding: clamp(24px, 4vw, 40px); align-self: center; display: grid; gap: 16px; }
.login-card h2 { margin-bottom: 0; }

@media (max-width: 1050px) {
  .app-frame { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 14px;
    top: 14px;
    bottom: 14px;
    z-index: 30;
    width: min(320px, calc(100vw - 28px));
    height: auto;
    border-radius: 26px;
    transform: translateX(calc(-100% - 18px));
    transition: transform .2s ease;
    box-shadow: 0 30px 90px rgba(0,0,0,.34);
  }
  body.menu-open .sidebar { transform: translateX(0); }
  .menu-toggle { display: inline-flex; }
  .hero-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-card { grid-column: span 2; }
  .split-panel, .grid.two, .login-shell { grid-template-columns: 1fr; }
  .login-brand { min-height: 360px; }
}

@media (max-width: 700px) {
  .topbar { align-items: flex-start; padding: 18px; }
  .primary-action { display: none; }
  .content { width: min(100% - 22px, 1180px); padding-top: 18px; }
  .hero-grid, .form-grid { grid-template-columns: 1fr; }
  .hero-card, .span-2 { grid-column: auto; }
  .row-title, .form-actions { align-items: stretch; flex-direction: column; }
  .row-title button, .form-actions button { width: 100%; }
  .login-body { padding: 12px; }
  .login-brand { min-height: 260px; }
}