/* ===== Global base ===== */

:root {
  --bg: #05060a;
  --bg-soft: #0b0d13;
  --accent: #5ef2a5;
  --accent-alt: #22c55e;
  --accent-soft: rgba(94, 242, 165, 0.15);
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.6);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: radial-gradient(circle at top, #151827 0, #05060a 55%);
  color: var(--text-main);
  min-height: 100vh;
}

/* ===== Shared layout bits ===== */

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 16px 40px;
}

header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 26px;
  height: 26px;
  border-radius: 9px;
  background: radial-gradient(circle at 20% 0%, var(--accent), var(--accent-alt));
  box-shadow: 0 0 24px rgba(94, 242, 165, 0.8);
}

.brand-text span {
  display: block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.brand-text h1 {
  font-size: 22px;
  letter-spacing: 0.03em;
}

.header-meta {
  text-align: right;
  font-size: 13px;
  color: var(--text-muted);
}

.header-meta strong {
  color: var(--accent);
}

/* Back link for inner pages */

.back-link {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 10, 0.7);
}

/* ===== Hero section (launcher) ===== */

.hero {
  margin-top: 4px;
  padding: 20px 20px 18px;
  border-radius: var(--radius-xl);
  background: linear-gradient(120deg, rgba(94, 242, 165, 0.14), rgba(37, 99, 235, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.02);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  box-shadow: var(--shadow-soft);
}

.hero-main h2 {
  font-size: 20px;
  margin-bottom: 4px;
}

.hero-main p {
  font-size: 14px;
  color: var(--text-muted);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.hero-tag {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
}

.hero-meta-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 12px;
  color: var(--text-muted);
  backdrop-filter: blur(12px);
}

.hero-meta-badge strong {
  color: var(--accent);
}

/* ===== Launcher grid ===== */

.grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
}

.grid-header h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.grid-header span {
  font-size: 13px;
  color: var(--text-muted);
}

.calc-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.calc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, rgba(94, 242, 165, 0.05), rgba(5, 6, 10, 0.96));
  text-decoration: none;
  color: var(--text-main);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transition:
    transform 0.16s ease-out,
    box-shadow 0.16s ease-out,
    border-color 0.16s ease-out,
    background 0.16s ease-out;
}

.calc-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: radial-gradient(circle at 0 0, rgba(94, 242, 165, 0.23), transparent 55%);
  transition: opacity 0.2s ease-out;
  pointer-events: none;
}

.calc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(94, 242, 165, 0.4);
  background: radial-gradient(circle at top left, rgba(94, 242, 165, 0.1), rgba(5, 6, 10, 0.98));
}

.calc-card:hover::before {
  opacity: 1;
}

.calc-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.calc-title h4 {
  font-size: 16px;
}

.pill {
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.calc-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.calc-meta {
  margin-top: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.chip-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 11px;
}

.launch-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.launch-dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(94, 242, 165, 0.7);
}

/* ===== Two-column shell (TDEE page) ===== */

.shell-two-col {
  max-width: 960px;
  margin: 24px auto;
  padding: 22px 22px 20px;
  background: linear-gradient(135deg, rgba(94, 242, 165, 0.08), rgba(15, 23, 42, 0.96));
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 18px;
}

.shell-two-col header {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.shell-two-col header h1 {
  font-size: 20px;
}

.shell-two-col header p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Panels / cards shared ===== */

.panel {
  background: rgba(5, 6, 10, 0.86);
  border-radius: 20px;
  padding: 16px 16px 14px;
  border: 1px solid var(--border-subtle);
}

.panel h2 {
  font-size: 16px;
  margin-bottom: 6px;
}

.panel p {
  font-size: 13px;
  color: var(--text-muted);
}

.card {
  max-width: 520px;
  width: 100%;
  margin: 24px auto;
  background: var(--bg-soft);
  border-radius: 22px;
  padding: 20px 18px 16px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.7);
}

/* ===== Forms & inputs ===== */

form {
  margin-top: 6px;
}

.form-grid {
  margin-top: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
}

.field-full {
  grid-column: 1 / -1;
}

label {
  color: var(--text-muted);
}

input,
select {
  padding: 8px 9px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-main);
  font: inherit;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.helper {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Buttons */

button,
.button-primary {
  border: none;
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: linear-gradient(120deg, var(--accent-alt), var(--accent));
  color: #020617;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.45);
}

button.secondary,
.button-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: none;
}

/* ===== Status & tags ===== */

.status {
  font-size: 12px;
  color: var(--text-muted);
}

.status strong {
  color: var(--accent);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.tag {
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: var(--text-muted);
  font-size: 11px;
}

/* ===== TDEE stats & macros ===== */

.results {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 6px;
}

.stat {
  padding: 8px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.stat label {
  font-size: 11px;
  color: var(--text-muted);
}

.stat .value {
  margin-top: 2px;
  font-size: 15px;
}

.macro-list {
  margin-top: 6px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 8px;
  background: rgba(15, 23, 42, 0.9);
}

.macro-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}

.macro-row span {
  font-size: 13px;
}

.macro-row small {
  font-size: 11px;
  color: var(--text-muted);
}

.macro-row:last-child {
  margin-bottom: 0;
}

.note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== BMI & 1RM specific ===== */

.card h1 {
  font-size: 20px;
  margin-bottom: 4px;
}

.card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card a {
  color: var(--text-muted);
  font-size: 12px;
  text-decoration: none;
}

.card .result {
  margin-top: 10px;
  font-size: 14px;
}

/* 1RM zones */

.zones {
  margin-top: 8px;
  font-size: 13px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  padding: 8px;
  background: #020617;
}

.zones div {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3px;
}

.zones div:last-child {
  margin-bottom: 0;
}

/* ===== Responsive ===== */

@media (max-width: 800px) {
  .shell-two-col {
    grid-template-columns: minmax(0, 1fr);
  }

  header.app-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-meta {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}