.checkin-btn {
  background: #0d6efd;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  width: 100%;
}

.checkin-btn:hover {
  background: #0b5dd8;
}

/* --- General Soft Button --- */
.btn-soft {
  background: #f1f3f4;
  border: 1px solid #dadce0;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: #202124;
  cursor: pointer;
  transition: 0.2s;
}
.btn-soft:hover {
  background: #e8eaed;
}

.btn-soft.primary {
  background: #e1ebff;
  border-color: #c6d7ff;
}
.btn-soft.primary:hover {
  background: #d4e2ff;
}

.btn-soft.primary:disabled {
  background: #e5e7eb;        /* xám nhạt */
  color: #9ca3af;
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.8;
}

.btn-soft.primary.disabled-hint {
  position: relative;
}

.btn-soft.primary.disabled-hint::after {
  content: "✓ xác nhận để tiếp tục";
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  color: #b45309;
  white-space: nowrap;
}


/* --- Input --- */
.input-soft {
  width: 90%;
  padding: 8px 10px;
  border: 1px solid #dadce0;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #5f6368;
  background: #fafafa;
}

/* --- Checkin Panel --- */
#checkin-form {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 10px;
  border: 1px solid #e0e0e0;
  background: #ffffffcc;
  z-index: 9999;
}

.checkin-form-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(3px);
}

.checkin-form-content {
  position: relative;
  background: #fff;
  width: 90%;
  max-width: 380px;
  padding: 18px;
  border-radius: 14px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);

  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hidden {
  display: none !important;
}

.checkin-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.count {
  font-size: 12px;
  color: #777;
  text-align: right;
}

.nickname-dropdown-wrapper {
  position: relative;
}

.nickname-list {
  position: absolute;
  top: 36px;
  left: 0;
  right: 0;
  background: white;
  list-style: none;
  border: 1px solid #dadce0;
  border-radius: 6px;
  padding: 6px 0;
  margin: 0;
  z-index: 50;
  font-size: 13px;
  color: #5f6368;
}

.nickname-list li {
  padding: 6px 10px;
  cursor: pointer;
}
.nickname-list li:hover {
  background: #f0f7ff;
}

.nickname-item {
  padding: 8px 10px;
  cursor: pointer;
  font-size: 13px;
}

.nickname-item:hover {
  background: #f1f3f4;
}


.pin-select {
  width: 100%;
  padding: 6px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.heart-box {
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 6px;
  background: #ffe6ef;
  cursor: pointer;
  display: inline-block;
  font-size: 13px;
}


/* --- Pin & Heart Boxes --- */
.usage-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.usage-box {
  flex: 1;
  background: #fff5f5;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #f2d7d7;
  text-align: center;
  cursor: pointer;
  font-size: 13px;
}
.usage-box:hover {
  background: #ffecec;
}

/* --- Action Buttons Row --- */
.action-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.btn-text {
  background: none;
  border: none;
  padding: 8px 10px;
  font-size: 14px;
  color: #5f6368;
  cursor: pointer;
}
.btn-text:hover {
  color: #202124;
}

#comment {
  width: 90%;
  border: 1px solid #e3e3e3;
  border-radius: 6px;
  padding: 8px 10px;
  text-align: left;
  background: #fafafa;
  font-size: 13px;
  color: #5f6368;
  line-height: 1.4;
  transition: border 0.15s ease;
}

#comment:focus {
  background: #fff;
  border-color: #b9c6ff;
  outline: none;
}

.warning-box {
  margin-top: 8px;
  padding: 8px 10px;
  background: #fff7e6;
  border: 1px solid #f0c36d;
  border-radius: 6px;
  font-size: 12px;
  color: #7a4b00;
}

.warning-box.hidden {
  display: none;
}