:root {
  --bg: #f7f1e7;
  --surface: #fffaf2;
  --surface-strong: #ffffff;
  --ink: #14211c;
  --muted: #65706a;
  --line: rgba(20, 33, 28, 0.12);
  --line-strong: rgba(20, 33, 28, 0.22);
  --green: #166534;
  --green-soft: rgba(22, 101, 52, 0.12);
  --blue: #0f5e7a;
  --blue-soft: rgba(15, 94, 122, 0.12);
  --red: #a33a1b;
  --red-soft: rgba(163, 58, 27, 0.12);
  --yellow: #f4c95d;
  --shadow: 0 18px 44px rgba(34, 28, 18, 0.12);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, #111816 0, #111816 76px, rgba(247, 241, 231, 0.98) 77px, rgba(242, 232, 217, 0.98) 100%),
    repeating-linear-gradient(90deg, rgba(20, 33, 28, 0.04) 0 1px, transparent 1px 32px);
  font-family: "Manrope", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

body.modal-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

.app-shell {
  width: min(820px, calc(100% - 28px));
  margin: 0 auto;
  padding: 10px 0 42px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(1.9rem, 7vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0;
}

details p,
li {
  color: var(--muted);
  line-height: 1.55;
}

.routine-section {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 242, 0.95);
  box-shadow: var(--shadow);
}

.today-label {
  margin: 0;
  color: rgba(248, 255, 249, 0.78);
  font-size: 0.84rem;
  font-weight: 800;
}

details {
  padding: 0;
}

summary {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 0 17px;
  cursor: pointer;
  font-weight: 900;
}

summary::marker {
  color: var(--blue);
}

.routine-section {
  margin-top: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.workout-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  color: #f8fff9;
  background:
    linear-gradient(145deg, rgba(17, 24, 22, 0.92), rgba(17, 24, 22, 0.72)),
    radial-gradient(circle at 85% 10%, rgba(183, 240, 200, 0.22), transparent 32%),
    linear-gradient(135deg, #111816, #26362d);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.routine-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.exercise-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  overflow: hidden;
  transition:
    border-color 160ms ease,
    background 160ms ease,
  transform 160ms ease;
}

.exercise-card.has-thumb {
  display: grid;
  grid-template-columns: minmax(118px, 38%) 1fr;
}

.exercise-card.done {
  border-color: rgba(22, 101, 52, 0.28);
  background: linear-gradient(180deg, #fbfffc, #f4fff6);
}

.exercise-thumb {
  position: relative;
  min-height: 100%;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 0;
  overflow: hidden;
  background: #111816;
  cursor: pointer;
}

.exercise-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 154px;
  object-fit: cover;
}

.exercise-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.64));
}

.exercise-thumb span {
  position: absolute;
  left: 10px;
  bottom: 10px;
  z-index: 1;
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: #f8fff9;
  background: rgba(0, 0, 0, 0.58);
  font-size: 0.82rem;
  font-weight: 900;
}

.exercise-main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: center;
  padding: 15px;
  cursor: pointer;
}

.done-check {
  width: 30px;
  height: 30px;
  accent-color: var(--green);
}

.exercise-title {
  margin-bottom: 4px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.exercise-card.done .exercise-title {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

.exercise-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
}

.dose {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 0.85rem;
  font-weight: 900;
}

.note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.exercise-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
  padding: 0 15px 15px 58px;
}

.exercise-card.has-thumb .exercise-main,
.exercise-card.has-thumb .exercise-actions {
  grid-column: 2;
}

.help-panel {
  flex: 1 1 220px;
  min-width: min(100%, 220px);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(20, 33, 28, 0.03);
}

.help-panel summary {
  min-height: 40px;
  padding: 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.help-list {
  margin: 0;
  padding: 0 12px 12px 28px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.help-list li {
  margin: 5px 0;
}

.finish-card {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid rgba(20, 33, 28, 0.1);
  border-radius: var(--radius-md);
  background: #111816;
}

.finish-button {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: var(--radius-sm);
  color: #10231a;
  background: #b7f0c8;
  font-size: 1rem;
  font-weight: 900;
  cursor: pointer;
}

.finish-button:disabled {
  opacity: 0.7;
  cursor: progress;
}

.finish-status {
  margin: 10px 0 0;
  color: rgba(248, 255, 249, 0.72);
  font-size: 0.9rem;
  line-height: 1.45;
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
  padding: 18px;
}

.video-modal.open {
  display: grid;
  place-items: center;
}

.video-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 18, 16, 0.68);
}

.video-dialog {
  position: relative;
  width: min(880px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  background: #101815;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.video-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 13px 14px;
  color: #f8fff9;
}

.video-head h2 {
  margin: 0;
  font-size: 1rem;
}

.icon-button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: #f8fff9;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.video-frame-wrap {
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-frame-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-empty {
  display: grid;
  place-items: center;
  min-height: 240px;
  color: #f8fff9;
}

.video-fallback {
  display: flex;
  justify-content: center;
  padding: 12px;
  color: #f8fff9;
  background: rgba(255, 255, 255, 0.06);
  font-weight: 900;
  text-decoration: none;
}

.password-modal {
  position: fixed;
  inset: 0;
  z-index: 21;
  display: none;
  padding: 18px;
}

.password-modal.open {
  display: grid;
  place-items: center;
}

.password-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 18, 16, 0.68);
}

.password-dialog {
  position: relative;
  width: min(360px, 100%);
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.password-dialog h2 {
  margin: 0;
  font-size: 1.12rem;
}

.password-dialog input {
  width: 100%;
  min-height: 50px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface-strong);
  font-size: 1.08rem;
  font-weight: 800;
}

.password-dialog input:focus {
  outline: 2px solid rgba(22, 101, 52, 0.28);
  outline-offset: 2px;
}

.password-error {
  min-height: 1.25em;
  margin: 0;
  color: var(--red);
  font-size: 0.9rem;
  font-weight: 800;
}

.password-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.password-cancel,
.password-submit {
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-weight: 900;
  cursor: pointer;
}

.password-cancel {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: transparent;
}

.password-submit {
  border: 0;
  color: #10231a;
  background: #b7f0c8;
}

@media (max-width: 680px) {
  .app-shell {
    width: min(100% - 20px, 760px);
    padding-top: 10px;
  }

  .workout-toolbar {
    min-height: 54px;
  }

  .exercise-main {
    grid-template-columns: auto 1fr;
  }

  .exercise-card.has-thumb {
    grid-template-columns: 124px 1fr;
  }

  .exercise-thumb img {
    min-height: 148px;
  }

  .exercise-actions {
    padding-left: 15px;
  }

  .video-modal {
    padding: 10px;
  }

  .password-modal {
    padding: 12px;
  }
}