:root {
  color-scheme: light;
  --cyan: #00aeea;
  --turquoise: #00c5d1;
  --magenta: #ec008c;
  --yellow: #fff100;
  --lime: #b7ff00;
  --brown: #321b12;
  --teal-text: #006875;
  --paper: rgba(247,253,255,.96);
  --shadow: rgba(0,68,92,.22);
  --font-calligraphy: "STXingkai", "FZYaoti", "KaiTi", "SimKai", serif;
  --font-ui: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--brown);
  font-family: var(--font-ui);
  background:
    linear-gradient(180deg, rgba(255,255,255,.14), transparent 34%, rgba(0,94,144,.10)),
    linear-gradient(135deg, #0698f0 0%, var(--cyan) 44%, var(--turquoise) 100%);
  padding: clamp(16px, 3vw, 36px);
}

body::before {
  content: "";
  position: fixed;
  inset: -160px;
  z-index: -1;
  pointer-events: none;
  opacity: .22;
  background-image: url("assets/peony-chanzhi-gold-transparent.png");
  background-size: 680px 680px;
  background-position: left -80px top -140px;
  mix-blend-mode: screen;
}

button,
input,
textarea {
  font: inherit;
}

.admin-shell {
  max-width: 1260px;
  margin: 0 auto;
  padding: clamp(22px, 3vw, 38px);
  background: var(--paper);
  clip-path: polygon(0 0, calc(100% - 42px) 0, 100% 42px, 100% 100%, 42px 100%, 0 calc(100% - 42px));
  border-top: 22px solid var(--lime);
  box-shadow: 0 24px 48px var(--shadow), 8px 8px 0 rgba(183,255,0,.72);
}

.admin-header {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 12px;
  text-align: center;
  margin-bottom: 22px;
}

.brand-mark {
  width: 246px;
  height: 76px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 5px 0 rgba(48,24,14,.22)) drop-shadow(0 14px 20px rgba(0,70,96,.22));
}

.back-link {
  justify-self: start;
  color: var(--brown);
  text-decoration: none;
  padding: 12px 18px;
  background: var(--yellow);
  font-weight: 900;
  box-shadow: 6px 6px 0 rgba(236,0,140,.76);
}

h1 {
  margin: 0;
  color: #fff;
  font-family: var(--font-calligraphy);
  font-size: clamp(50px, 6vw, 86px);
  line-height: 1;
  text-shadow: 0 5px 0 rgba(52,26,16,.32), 0 18px 36px rgba(0,60,84,.28);
}

.admin-header p,
.login-panel p,
#status,
#login-status {
  color: var(--teal-text);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.6;
}

.admin-header p {
  max-width: 760px;
  margin: 0;
  font-size: 20px;
}

.notice {
  display: grid;
  gap: 8px;
  margin: 18px 0 26px;
  padding: 16px 20px;
  color: var(--brown);
  background: var(--yellow);
  border-left: 10px solid var(--magenta);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.55;
  box-shadow: 7px 7px 0 rgba(0,122,148,.18);
}

.notice code {
  padding: 2px 6px;
  background: rgba(255,255,255,.72);
  font-weight: 900;
}

.login-panel {
  max-width: 560px;
  margin: 34px auto 12px;
  padding: 30px;
  background: rgba(255, 255, 255, .78);
  border-top: 18px solid var(--yellow);
  clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 32px 100%, 0 calc(100% - 32px));
  box-shadow: 0 20px 40px rgba(0,68,92,.16), 8px 8px 0 rgba(236,0,140,.58);
}

.login-panel h2 {
  margin: 0;
  color: var(--brown);
  font-family: var(--font-calligraphy);
  font-size: 58px;
  line-height: 1;
}

.login-form,
.editor {
  display: grid;
  gap: 20px;
}

.login-form {
  margin-top: 24px;
}

.admin-content[hidden] {
  display: none;
}

label {
  display: grid;
  gap: 9px;
  color: var(--brown);
  font-size: 18px;
  font-weight: 900;
}

.password {
  max-width: 420px;
}

input,
textarea,
select {
  width: 100%;
  border: 3px solid rgba(0,104,117,.24);
  background: #fff;
  color: var(--brown);
  padding: 12px 14px;
  font-size: 18px;
  line-height: 1.6;
  font-weight: 700;
  box-shadow: inset 0 2px 8px rgba(0,90,110,.08);
}

input[type="file"] {
  padding: 10px;
  background: rgba(255,255,255,.82);
}

.local-video-field span {
  color: var(--teal-text);
  font-size: 16px;
  font-weight: 900;
}

.local-image-field {
  display: grid;
  gap: 10px;
  margin-top: 10px;
  padding: 12px;
  background: rgba(0, 174, 234, .08);
  border-left: 6px solid var(--cyan);
}

.local-image-field span {
  color: var(--teal-text);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.5;
}

.local-image-field button {
  justify-self: start;
  min-width: 0;
  min-height: 44px;
  padding: 0 14px;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 4px solid rgba(255,241,0,.56);
  border-color: rgba(236,0,140,.54);
}

.hall-manager {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 18px;
  align-items: end;
  padding: 18px;
  background: rgba(255, 241, 0, .45);
  border-left: 10px solid var(--magenta);
}

.hall-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.device-location-panel {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(240px, 340px) auto;
  gap: 18px;
  align-items: end;
  padding: 18px;
  background: rgba(183, 255, 0, .34);
  border-left: 10px solid var(--yellow);
  box-shadow: 7px 7px 0 rgba(236,0,140,.18);
}

.device-location-panel strong {
  display: block;
  margin-bottom: 8px;
  color: var(--brown);
  font-family: var(--font-calligraphy);
  font-size: 38px;
  line-height: 1;
}

.device-location-panel p {
  margin: 0;
  color: var(--teal-text);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.55;
}

.device-location-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

#device-location-status {
  grid-column: 1 / -1;
  min-height: 24px;
  color: var(--magenta);
  font-size: 17px;
  font-weight: 900;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.editor-sections {
  display: grid;
  gap: 24px;
}

.editor-block {
  display: grid;
  gap: 18px;
  padding: 22px;
  background: rgba(255,255,255,.68);
  border-left: 10px solid var(--cyan);
  box-shadow: 7px 7px 0 rgba(0,122,148,.14);
}

.editor-block:nth-of-type(2) {
  border-left-color: var(--magenta);
}

.editor-block:nth-of-type(3) {
  border-left-color: var(--yellow);
  background: rgba(255, 241, 0, .14);
}

.editor-block:nth-of-type(4) {
  border-left-color: var(--lime);
}

.block-head {
  display: grid;
  gap: 8px;
}

.block-head h2 {
  margin: 0;
  color: var(--brown);
  font-family: var(--font-calligraphy);
  font-size: 40px;
  line-height: 1;
}

.block-head p {
  margin: 0;
  color: var(--teal-text);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.55;
}

.content-groups {
  display: grid;
  gap: 18px;
}

.content-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  background: rgba(255,255,255,.78);
  border: 2px solid rgba(0,174,234,.18);
}

.content-card-head {
  display: grid;
  gap: 6px;
}

.content-card-head h3 {
  margin: 0;
  color: var(--brown);
  font-family: var(--font-calligraphy);
  font-size: 28px;
  line-height: 1;
}

.content-card-head p {
  margin: 0;
  color: var(--teal-text);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.5;
}

.compact-grid {
  gap: 14px;
}

.wide {
  grid-column: 1 / -1;
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
}

button {
  min-width: 138px;
  min-height: 52px;
  border: 0;
  color: #fff;
  background: var(--magenta);
  box-shadow: 7px 7px 0 rgba(0,122,148,.20);
  font-size: 19px;
  font-weight: 900;
  cursor: pointer;
}

button[type="button"] {
  color: var(--brown);
  background: var(--yellow);
}

#delete-hall {
  color: #fff;
  background: var(--magenta);
}

#status,
#login-status {
  min-height: 28px;
  margin: 0;
}

#login-status {
  color: var(--magenta);
}

@media (max-width: 780px) {
  .admin-shell {
    padding: 18px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .hall-manager {
    grid-template-columns: 1fr;
  }

  .device-location-panel {
    grid-template-columns: 1fr;
  }

  .actions {
    flex-direction: column;
  }

  .back-link {
    justify-self: center;
  }
}