/* Teacher student-record picker (1920×1080). Prefixed sr-picker- */

body.student-record-picker-active {
  background:
    radial-gradient(ellipse 90% 70% at 20% 10%, rgba(120, 180, 230, 0.28), transparent 55%),
    linear-gradient(165deg, #d9e8f6 0%, #e8f1f9 45%, #f2f6fb 100%);
}

.sr-picker-scene {
  --sp-text: #1a3550;
  --sp-muted: #5f7a94;
  --sp-border: #c9dceb;
  --sp-blue: #2f6fad;
  --sp-panel: #ffffff;
  position: relative;
  width: 1920px;
  height: 1080px;
  box-sizing: border-box;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 28px 40px 24px;
  color: var(--sp-text);
  font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.65), transparent 40%),
    linear-gradient(180deg, #dbeaf8 0%, #eef4fa 55%, #f7fafc 100%);
}

.sr-picker-header {
  display: grid;
  grid-template-columns: 140px 1fr 160px;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.sr-picker-title-wrap {
  text-align: center;
}

.sr-picker-title-wrap h1 {
  margin: 0;
  font-size: 32px;
  font-weight: 900;
  color: #1d3f5f;
}

.sr-picker-back,
.sr-picker-refresh {
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--sp-border);
  background: rgba(255, 255, 255, 0.9);
  color: var(--sp-text);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.sr-picker-toolbar {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.sr-picker-search,
.sr-picker-filter {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 750;
  color: var(--sp-muted);
}

.sr-picker-search input,
.sr-picker-filter select {
  height: 44px;
  min-width: 240px;
  border-radius: 10px;
  border: 1px solid var(--sp-border);
  padding: 0 12px;
  font-size: 15px;
  background: #fff;
  color: var(--sp-text);
}

.sr-picker-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: auto;
  gap: 22px;
  padding-bottom: 4px;
}

.sr-picker-main {
  flex: 0 0 auto;
  min-height: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--sp-border);
  box-shadow: 0 10px 28px rgba(40, 90, 140, 0.08);
}

.sr-picker-guide {
  flex: 0 0 auto;
  margin-top: auto;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 22px;
  border-radius: 12px;
  background: linear-gradient(180deg, #f7fbff 0%, #eef6fc 100%);
  border: 1px solid rgba(47, 111, 173, 0.28);
  color: #1a3550;
  box-sizing: border-box;
}

.sr-picker-guide-icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(47, 111, 173, 0.12);
  border: 1px solid rgba(47, 111, 173, 0.22);
  font-size: 20px;
  line-height: 1;
}

.sr-picker-guide-content {
  min-width: 0;
  flex: 1 1 auto;
}

.sr-picker-guide-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 900;
  color: #16385a;
}

.sr-picker-guide-content p {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.45;
  color: #1f4468;
  white-space: nowrap;
}

.sr-picker-guide-content p:last-child {
  margin-bottom: 0;
}

.sr-picker-guide-content strong {
  font-weight: 900;
  color: #12324f;
}

.sr-picker-card-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px 20px;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 20px;
}

.sr-picker-student-card {
  min-width: 0;
  min-height: 204px;
  padding: 16px;
  border: 1px solid #cbddeb;
  border-radius: 14px;
  background: #fff;
  color: var(--sp-text);
  text-align: left;
  font: inherit;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(40, 90, 140, 0.07);
  transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.sr-picker-student-card:hover {
  transform: translateY(-3px);
  border-color: #80add3;
  box-shadow: 0 10px 22px rgba(40, 90, 140, 0.13);
}

.sr-picker-student-card:focus-visible {
  outline: 3px solid rgba(47, 111, 173, 0.34);
  outline-offset: 3px;
}

.sr-picker-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  min-height: 30px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e6eef5;
}

.sr-picker-card-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 20px;
  font-weight: 900;
  color: #173a5b;
}

.sr-picker-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 10px;
}

.sr-picker-card-metrics div {
  min-width: 0;
}

.sr-picker-card-metrics dt {
  margin-bottom: 6px;
  color: var(--sp-muted);
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.sr-picker-card-metrics dd {
  margin: 0;
  color: #173a5b;
  font-size: 18px;
  font-weight: 900;
}

.sr-picker-card-recent {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 0;
  padding-top: 9px;
  border-top: 1px solid #e6eef5;
  color: #315a7c;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
}

.sr-picker-card-open {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
  color: #2f6fad;
  font-size: 13px;
  font-weight: 850;
}

.sr-picker-card-open b {
  font-size: 18px;
  line-height: 1;
}

.sr-picker-card-recent span {
  color: var(--sp-muted);
  font-size: 12px;
  font-weight: 750;
}

.sr-picker-status-chip {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.sr-picker-status-chip.is-complete {
  background: #e5f7ee;
  color: #2f9b6a;
}

.sr-picker-status-chip.is-progress {
  background: #e3f1ff;
  color: #2f7fd4;
}

.sr-picker-status-chip.is-idle {
  background: #eef2f6;
  color: #708090;
}

.sr-picker-btn {
  height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.sr-picker-btn-primary {
  background: linear-gradient(180deg, #4f97e0, #2f6fad);
  color: #fff;
  border-color: #2f6fad;
}

.sr-picker-btn-soft {
  background: #e8f1f9;
  color: #2a4d6e;
  border-color: #c9dceb;
}

.sr-picker-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 20px 18px;
  color: #466780;
  font-size: 14px;
  font-weight: 700;
}

.sr-picker-pagination button {
  min-width: 76px;
  height: 36px;
  border: 1px solid var(--sp-border);
  border-radius: 9px;
  background: #fff;
  color: var(--sp-text);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.sr-picker-pagination button:disabled {
  opacity: 0.45;
  cursor: default;
}

.sr-picker-modal-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 38px;
  background: rgba(12, 28, 43, 0.58);
  backdrop-filter: blur(2px);
}

.sr-picker-modal {
  position: relative;
  width: min(1240px, calc(100% - 28px));
  height: min(820px, calc(100% - 28px));
  overflow: hidden;
  border: 1px solid #bcd3e5;
  border-radius: 20px;
  background: #edf6fd;
  box-shadow: 0 28px 70px rgba(5, 25, 43, 0.3);
}

.sr-picker-modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  z-index: 3;
  width: 46px;
  height: 46px;
  border: 1px solid #bed3e4;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  color: #244b69;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 5px 14px rgba(40, 90, 140, 0.14);
}

.sr-picker-modal-close:focus-visible {
  outline: 3px solid rgba(47, 111, 173, 0.38);
  outline-offset: 3px;
}

.sr-picker-modal-body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.sr-picker-modal-body .student-record-scene.is-embedded {
  width: 100%;
  height: 100%;
  padding: 22px 28px 20px;
}

.sr-picker-modal-body .student-record-scene.is-embedded .student-record-header {
  padding-right: 58px;
}

@media (max-width: 1500px) {
  .sr-picker-card-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1180px) {
  .sr-picker-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .sr-picker-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 540px) {
  .sr-picker-card-grid {
    grid-template-columns: 1fr;
  }
}

.sr-picker-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 420px;
  padding: 40px;
  text-align: center;
  color: var(--sp-muted);
}

.sr-picker-state h2 {
  margin: 0;
  color: var(--sp-text);
  font-size: 26px;
}

.sr-picker-state p {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
}

.sr-picker-spinner {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid #c9dceb;
  border-top-color: #2f6fad;
  animation: sr-picker-spin 0.8s linear infinite;
}

@keyframes sr-picker-spin {
  to { transform: rotate(360deg); }
}

.sr-picker-blocked {
  max-width: 560px;
  margin: 180px auto 0;
  padding: 36px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--sp-border);
  text-align: center;
  box-shadow: 0 12px 32px rgba(40, 90, 140, 0.1);
}

.sr-picker-blocked h1 {
  margin: 0 0 12px;
  font-size: 28px;
}

.sr-picker-blocked p {
  margin: 0 0 20px;
  color: var(--sp-muted);
  font-weight: 650;
}

.sr-picker-blocked-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
}