/* CO-CHU-0311 */
/* Bộ công cụ điều khiển video dùng chung cho rqxchinese.com */
.rqx-video-bar,
.rqx-video-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  width: 100%;
  max-width: 960px;
  margin: 10px auto 0;
  padding: 8px 12px;
  border-radius: 14px;
  background: #0B1B3F;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #F8FAFC;
  font-family: Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14.5px;
  box-sizing: border-box;
  box-shadow: 0 8px 22px rgba(11, 27, 63, 0.16);
  position: relative;
  z-index: 2;
}

.modal .box .rqx-video-bar,
.modal .box .rqx-video-tools {
  max-width: 100%;
  margin-top: 8px;
}

.video-wrap.reveal {
  transform: none !important;
  opacity: 1 !important;
}

.rqx-video-bar .rqx-vgrp,
.rqx-video-tools .rqx-vgrp {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.rqx-video-bar .rqx-vlbl,
.rqx-video-tools .rqx-vlbl {
  color: #CBD5E1;
  font-weight: 600;
  font-size: 14px;
  margin-right: 2px;
  white-space: nowrap;
}

.rqx-video-bar button,
.rqx-video-tools button,
.rqx-vt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 40px;
  height: 40px;
  min-width: 44px;
  padding: 6px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
  color: #F8FAFC;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
  box-sizing: border-box;
}

.rqx-video-bar button:hover,
.rqx-video-tools button:hover,
.rqx-vt-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.36);
}

.rqx-video-bar button:active,
.rqx-video-tools button:active,
.rqx-vt-btn:active {
  transform: scale(0.98);
}

.rqx-video-bar button:focus-visible,
.rqx-video-tools button:focus-visible,
.rqx-vt-btn:focus-visible {
  outline: 2px solid #60A5FA;
  outline-offset: 2px;
}

.rqx-video-bar button.on,
.rqx-video-bar button.active,
.rqx-video-tools button.on,
.rqx-video-tools button.active,
.rqx-vt-btn.on,
.rqx-vt-btn.active {
  background: #60A5FA;
  color: #0B1B3F;
  border-color: #60A5FA;
  box-shadow: 0 2px 8px rgba(96, 165, 250, 0.35);
}

.rqx-video-bar .rqx-vhint,
.rqx-video-tools .rqx-vhint {
  color: #94A3B8;
  font-size: 13px;
  margin-left: auto;
  white-space: nowrap;
}

@media (max-width: 820px) {
  .rqx-video-bar .rqx-vhint,
  .rqx-video-tools .rqx-vhint {
    display: none;
  }
}

/* Tối ưu cho iPhone và màn hình hẹp (390px): nút cao tối thiểu 42px, không tràn ngang, nằm tách dưới khung video nên không che phụ đề */
@media (max-width: 640px) {
  .rqx-video-bar,
  .rqx-video-tools {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 8px;
    border-radius: 12px;
  }

  .rqx-video-bar .rqx-vgrp-seek,
  .rqx-video-tools .rqx-vgrp-seek {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }

  .rqx-video-bar .rqx-vgrp-rate,
  .rqx-video-tools .rqx-vgrp-rate {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 4px;
    width: 100%;
  }

  .rqx-video-bar .rqx-vlbl,
  .rqx-video-tools .rqx-vlbl {
    grid-column: 1 / -1;
    font-size: 13px;
    margin-bottom: 1px;
    text-align: left;
  }

  .rqx-video-bar button,
  .rqx-video-tools button,
  .rqx-vt-btn {
    min-height: 42px;
    height: 42px;
    min-width: 0;
    width: 100%;
    padding: 6px 4px;
    font-size: 14px;
  }
}


/* Lecture player: compact controls and captions outside the picture. */
.rqx-rate-compact { display: none; }
.rqx-lecture-captions { background: #f1f5f9; color: #102044; padding: 8px 12px; }
.rqx-lecture-captions[hidden], .rqx-caption-text[hidden] { display: none; }
.rqx-lecture-captions button { display: block; margin-left: auto; min-height: 32px; border: 0; background: transparent; color: #315895; font: inherit; font-size: 13.5px; cursor: pointer; }
.rqx-caption-text { min-height: 2.8em; font-size: 17px; line-height: 1.5; text-align: center; white-space: pre-line; }
.rqx-lecture-modal .box { max-width: 1100px; width: 100%; }
.rqx-lecture-modal h3 { padding-right: 32px; font-size: 18px; margin: 0 0 10px; }
.rqx-lecture-modal .rqx-video-frame { margin-top: 0 !important; }
@media (max-width: 640px) {
  .rqx-video-bar, .rqx-video-tools { flex-direction: row; flex-wrap: nowrap; gap: 6px; padding: 6px; }
  .rqx-video-bar .rqx-vgrp-seek { display: flex; width: auto; flex: 1; gap: 6px; }
  .rqx-video-bar .rqx-vgrp-seek button { flex: 1; white-space: nowrap; }
  .rqx-video-bar .rqx-vgrp-rate { display: none; }
  .rqx-rate-compact { display: flex; align-items: center; gap: 4px; font-size: 12.5px; white-space: nowrap; }
  .rqx-rate-compact select { min-height: 42px; max-width: 78px; padding: 4px; border: 1px solid #64748b; border-radius: 8px; color: #0b1b3f; background: #fff; font: inherit; font-size: 15.5px; }
  .ls-body #slide-video { padding: 12px 8px; }
  .ls-body #slide-video .slide-grid { grid-template-columns: minmax(0, 1fr); }
  .ls-body #slide-video [data-lesson-media="video"] { padding: 8px 0; min-width: 0; }
  .ls-body #slide-video [data-lesson-media="video"] > :not(.rqx-video-frame):not(.rqx-video-bar) { margin-left: 8px; margin-right: 8px; }
  .ls-body #slide-video [data-lesson-chapters] > div:last-child { flex-wrap: nowrap !important; overflow-x: auto; padding-bottom: 6px; }
  .ls-body #slide-video [data-chapter-seek] { flex-shrink: 0; min-height: 42px; }
  .rqx-lecture-modal { padding: 6px; }
  .rqx-lecture-modal .box { padding: 36px 6px 10px; max-height: 95dvh; overflow-y: auto; }
  .rqx-lecture-modal h3 { font-size: 15.5px; }
}
@media (max-height: 500px) and (orientation: landscape) {
  .rqx-lecture-modal .box { max-width: 100%; padding: 8px 40px 8px 8px; }
  .rqx-lecture-modal h3 { display: none; }
  .rqx-lecture-modal .rqx-lecture-stage { display: grid; grid-template-columns: minmax(0, 1fr) 220px; align-items: start; gap: 8px; }
  .rqx-lecture-modal .rqx-video-frame { display: contents; }
  .rqx-lecture-modal video { max-height: calc(100dvh - 32px); }
  .rqx-lecture-modal .rqx-lecture-captions { grid-column: 2; grid-row: 1; }
  .rqx-lecture-modal .rqx-video-bar { grid-column: 1 / -1; }
}