:root {
  --entry-accent: #51d6d7;
  --entry-bg: #090b10;
  --entry-panel: rgba(12, 16, 24, 0.9);
  --entry-border: rgba(81, 214, 215, 0.55);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 20%, #122234 0%, var(--entry-bg) 58%);
  color: #e8f4ff;
  font-family: "Malgun Gothic", sans-serif;
}

.entry-wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.entry-card {
  width: min(520px, 100%);
  border: 1px solid var(--entry-border);
  background: var(--entry-panel);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}

.entry-title {
  margin: 0 0 14px;
  font-size: 18px;
  color: var(--entry-accent);
  letter-spacing: 0.04em;
}

.entry-row {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.entry-input {
  width: 100%;
  height: 38px;
  border: 1px solid #2f4558;
  border-radius: 8px;
  background: #0d131d;
  color: #ecf8ff;
  padding: 0 10px;
}

.entry-btn {
  height: 38px;
  border: 1px solid var(--entry-accent);
  border-radius: 8px;
  background: rgba(81, 214, 215, 0.12);
  color: var(--entry-accent);
  font-weight: 700;
  cursor: pointer;
}

.entry-help {
  margin-top: 8px;
  min-height: 18px;
  font-size: 12px;
  color: #99afc5;
}

.room-list {
  display: grid;
  gap: 8px;
}

.room-item {
  border: 1px solid #2d4254;
  border-radius: 8px;
  background: #0e1520;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.room-name {
  font-size: 14px;
  font-weight: 700;
  color: #d7f5ff;
}

.room-desc {
  font-size: 12px;
  color: #9bb2c8;
}

.entry-card-wide {
  width: min(860px, 100%);
}

.entry-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.entry-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.entry-form-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.6fr auto;
  gap: 8px;
  margin-bottom: 12px;
}

.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}

.room-card {
  border: 1px solid #2d4254;
  border-radius: 8px;
  background: #0e1520;
  overflow: hidden;
}

.room-thumb {
  display: block;
  width: 100%;
  height: 128px;
  object-fit: cover;
  background: #091019;
}

.room-card-body {
  display: grid;
  gap: 8px;
  padding: 10px;
}

.room-actions {
  display: flex;
  gap: 8px;
}

.entry-btn-small {
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
}

.room-delete-btn {
  border-color: rgba(255, 120, 120, 0.85);
  color: #ff8b8b;
  background: rgba(255, 80, 80, 0.12);
}

@media (max-width: 900px) {
  .entry-form-grid {
    grid-template-columns: 1fr;
  }

  .entry-btn {
    width: 100%;
  }
}

.entry-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.58);
  z-index: 2000;
}

.entry-modal.is-open {
  display: flex;
}

.entry-modal-card {
  width: min(420px, calc(100% - 24px));
  border: 1px solid rgba(81, 214, 215, 0.55);
  border-radius: 10px;
  background: #0e1520;
  padding: 14px;
  display: grid;
  gap: 10px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.45);
}

.entry-modal-title {
  margin: 0;
  font-size: 16px;
  color: #d7f5ff;
}

.entry-modal-text {
  margin: 0;
  font-size: 13px;
  color: #9bb2c8;
}

.entry-modal-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #bdd2e6;
}

.entry-dev-login {
  position: fixed;
  left: 6px;
  bottom: 6px;
  border: 0;
  background: transparent;
  color: rgba(81, 214, 215, 0.02);
  opacity: 0.02;
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.02em;
  padding: 4px 6px;
  cursor: default;
  user-select: none;
  z-index: 2;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.entry-dev-login.is-revealed {
  color: rgba(81, 214, 215, 0.4);
  opacity: 0.4;
  cursor: pointer;
  z-index: 2101;
}