/* ─── Inner Page Shared (MyPage, NoticePage, StudyGroup) ─── */

/* ── Page Header ── */
.inner-page-header {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 40px 0;
}

/* ── MyPage ── */
.mypage { padding-bottom: 60px; }
.mypage-header { max-width: 860px; margin: 0 auto; padding: 48px 40px 0; }
.mypage-title { font-size: clamp(24px, 4vw, 34px); font-weight: 800; letter-spacing: -1px; margin-bottom: 0; }
.mypage-body { max-width: 860px; margin: 0 auto; padding: 32px 40px 0; display: flex; flex-direction: column; gap: 24px; }

/* Profile Card */
.mypage-profile-card {
  background: var(--bg-dark);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.mypage-avatar-wrap {
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}
.mypage-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #fde68a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  border: 2px solid rgba(255,255,255,0.1);
}
.mypage-avatar-img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(255,255,255,0.1); }
.mypage-avatar-overlay {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
  color: #fff;
}
.mypage-avatar-wrap:hover .mypage-avatar-overlay { opacity: 1; }
.mypage-profile-info { flex: 1; }
.mypage-profile-name { font-size: 18px; font-weight: 700; color: var(--bg); margin-bottom: 4px; }
.mypage-profile-email { font-size: 13px; color: #a8a29e; margin-bottom: 4px; }
.mypage-profile-joined { font-size: 12px; color: #78716c; }
.mypage-logout-btn {
  padding: 8px 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: #a8a29e;
  cursor: pointer;
  transition: all 0.2s;
  margin-left: auto;
}
.mypage-logout-btn:hover { background: rgba(255,255,255,0.14); color: var(--bg); }

/* Section */
.mypage-section {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.mypage-section-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 20px; }

/* Stats Grid */
.mypage-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mypage-stat {
  background: #fafaf9;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
}
.mypage-stat-label { font-size: 11px; color: var(--text-light); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.mypage-stat-value { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }

/* Setting Rows */
.mypage-setting-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}
.mypage-setting-row:last-child { border-bottom: none; padding-bottom: 0; }
.mypage-setting-info { flex: 1; }
.mypage-setting-label { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.mypage-setting-value { font-size: 13px; color: var(--text-muted); }
.mypage-edit-btn {
  padding: 7px 16px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.mypage-edit-btn:hover { border-color: var(--primary); color: var(--primary); }
.mypage-cancel-btn {
  padding: 7px 14px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.mypage-cancel-btn:hover { background: #f5f1ec; }
.mypage-save-btn {
  padding: 7px 16px;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.mypage-save-btn:hover { background: #292524; }

.mypage-edit-form { display: flex; flex-direction: column; gap: 8px; width: 100%; max-width: 340px; }
.mypage-input {
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  width: 100%;
  transition: border-color 0.2s;
}
.mypage-input:focus { outline: none; border-color: var(--primary); }
.mypage-edit-actions { display: flex; gap: 8px; }
.mypage-pw-field { position: relative; }
.mypage-pw-field .mypage-input { padding-right: 42px; }
.mypage-eye-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  cursor: pointer;
  background: none;
  border: none;
  display: flex;
  align-items: center;
}
.mypage-msg { font-size: 12px; margin-top: 2px; }
.mypage-msg.ok { color: var(--good); }
.mypage-msg.err { color: var(--bad); }

/* Danger Zone */
.danger-zone { border-color: #fecaca; }
.mypage-danger-btn {
  padding: 7px 16px;
  background: transparent;
  border: 1.5px solid #fecaca;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--bad);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.mypage-danger-btn:hover { background: #fff1f2; }
.mypage-danger-confirm-btn {
  padding: 7px 16px;
  background: var(--bad);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.mypage-delete-confirm { display: flex; flex-direction: column; gap: 8px; }
.mypage-delete-warn { font-size: 13px; color: var(--bad); }

/* ── Notice Page ── */
.notice-page { padding-bottom: 60px; }
.notice-header { max-width: 860px; margin: 0 auto; padding: 48px 40px 0; }
.notice-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 0;
}
.notice-title { font-size: clamp(24px, 4vw, 34px); font-weight: 800; letter-spacing: -1px; }
.notice-write-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 4px;
  box-shadow: 0 4px 14px rgba(232,93,4,0.25);
}
.notice-write-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* 관리자 버튼 */
.notice-admin-btns { display: flex; gap: 6px; align-items: center; }
.notice-edit-btn, .notice-del-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  border: 1.5px solid;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.notice-edit-btn { background: none; border-color: var(--border); color: var(--text-muted); }
.notice-edit-btn:hover { border-color: var(--primary); color: var(--primary); }
.notice-del-btn { background: none; border-color: #fecaca; color: var(--bad); }
.notice-del-btn:hover { background: #fff1f2; }

/* 모달 */
.notice-modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.notice-modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.2s ease both;
}
.notice-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.notice-modal-title { font-size: 17px; font-weight: 800; letter-spacing: -0.3px; }
.notice-modal-close {
  font-size: 18px;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
  line-height: 1;
}
.notice-modal-close:hover { background: #f0ebe4; color: var(--text); }
.notice-modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}
.notice-form-row { display: flex; align-items: center; gap: 16px; }
.notice-form-field { display: flex; flex-direction: column; gap: 6px; }
.notice-form-label { font-size: 13px; font-weight: 700; color: var(--text); }
.notice-form-select, .notice-form-input {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--bg);
}
.notice-form-select:focus, .notice-form-input:focus { outline: none; border-color: var(--primary); }
.notice-form-textarea {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  line-height: 1.7;
  transition: border-color 0.2s;
  background: var(--bg);
}
.notice-form-textarea:focus { outline: none; border-color: var(--primary); }
.notice-pin-check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  margin-top: 20px;
}
.notice-pin-check input { width: 15px; height: 15px; accent-color: var(--primary); cursor: pointer; }
.notice-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}
.notice-modal-cancel {
  padding: 10px 20px;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.notice-modal-cancel:hover { background: #f5f1ec; }
.notice-modal-submit {
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.notice-modal-submit:hover { background: var(--primary-dark); }
.notice-body { max-width: 860px; margin: 0 auto; padding: 32px 40px 0; }
.notice-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.notice-item {
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background 0.15s;
  background: var(--bg-white);
}
.notice-item:last-child { border-bottom: none; }
.notice-item:hover { background: #fafaf9; }
.notice-item.pinned { background: #fffbf7; }
.notice-item-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; gap: 12px; }
.notice-item-left { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.notice-pin { font-size: 14px; flex-shrink: 0; }
.notice-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.2px;
  flex-shrink: 0;
}
.tag-notice { background: #eff6ff; color: #1d4ed8; }
.tag-update { background: #f0fdf4; color: #166534; }
.tag-event { background: #fff7ed; color: #9a3412; }
.notice-item-title { font-size: 14px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notice-item-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.notice-date { font-size: 12px; color: var(--text-light); }
.notice-chevron { color: var(--text-light); transition: transform 0.25s ease; }
.notice-chevron.up { transform: rotate(180deg); }
.notice-content {
  padding: 20px 20px 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border-light);
}
.notice-content-body { padding-bottom: 16px; }
.notice-content p { margin-bottom: 4px; }
.notice-writer {
  padding: 12px 0 16px;
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}
.notice-footer { font-size: 12px; color: var(--text-light); text-align: right; margin-top: 12px; }

/* ── Study Group Page ── */
.sg-page { padding-bottom: 60px; }
.sg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 40px 0;
  position: relative;
}
.sg-title {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 800;
  letter-spacing: -1px;
}
.sg-back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.2s;
  min-width: 80px;
}
.sg-back:hover { color: var(--text); }
.sg-body { max-width: 860px; margin: 0 auto; padding: 32px 40px 0; display: flex; flex-direction: column; gap: 16px; }

.sg-action-row { display: flex; gap: 12px; }
.sg-action-btn {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-white);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.sg-action-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.sg-action-btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.sg-action-btn.primary:hover { background: var(--primary-dark); }

.sg-empty { text-align: center; padding: 52px 24px; color: var(--text-muted); }
.sg-empty span { font-size: 36px; display: block; margin-bottom: 12px; }
.sg-empty p { font-size: 14px; }
.sg-empty-sub { font-size: 13px; color: var(--text-light); margin-top: 6px; }

.sg-group-list { display: flex; flex-direction: column; gap: 10px; }
.sg-group-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.sg-group-card:hover { border-color: #fcd9c0; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.sg-group-card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.sg-group-card-icon { display: none; }
.sg-group-card-info { flex: 1; }
.sg-group-card-name { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.sg-group-card-desc { font-size: 13px; color: var(--text-muted); }
.sg-group-card-arrow { color: var(--text-light); }
.sg-group-card-bottom { display: flex; gap: 10px; }
.sg-group-chip { background: #faf9f7; border: 1px solid var(--border-light); border-radius: var(--radius-sm); padding: 6px 10px; }
.sg-chip-label { font-size: 10px; color: var(--text-light); display: block; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 0.5px; }
.sg-chip-value { font-size: 14px; font-weight: 700; color: var(--text); }

/* Group Detail */
.sg-info-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.sg-info-left { display: flex; align-items: flex-start; gap: 14px; }
.sg-group-icon { display: none; }
.sg-group-name { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.sg-group-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.sg-group-meta { font-size: 12px; color: var(--text-light); }
.sg-invite-wrap { text-align: right; }
.sg-invite-label { font-size: 11px; color: var(--text-light); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.sg-invite-code-row { display: flex; align-items: center; gap: 8px; }
.sg-invite-code { font-size: 18px; font-weight: 800; font-family: 'Courier New', monospace; color: var(--primary); letter-spacing: 2px; }
.sg-copy-btn {
  padding: 5px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  transition: all 0.2s;
}
.sg-copy-btn:hover { border-color: var(--primary); color: var(--primary); }

.sg-myrank-card {
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sg-myrank-label { font-size: 13px; color: #92400e; }
.sg-myrank-value { font-size: 28px; font-weight: 800; color: var(--primary); }
.sg-myrank-sub { font-size: 13px; color: var(--text-muted); }

.sg-section { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.sg-section-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 16px; }
.sg-sort-btn { background: none; border: 1.5px solid var(--border); border-radius: 20px; padding: 4px 12px; font-size: 12px; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: all 0.15s; }
.sg-sort-btn:hover { border-color: var(--primary); color: var(--primary); }
.sg-sort-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.sg-rank-list { display: flex; flex-direction: column; gap: 10px; }
.sg-rank-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}
.sg-rank-row.me { background: var(--primary-light); border: 1px solid var(--primary-border); }
.sg-rank-row:not(.me):hover { background: #fafaf9; }
.sg-rank-num { font-size: 16px; min-width: 28px; text-align: center; }
.sg-rank-plain { font-size: 13px; font-weight: 700; color: var(--text-light); }
.sg-rank-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  text-transform: uppercase;
}
.sg-rank-row.me .sg-rank-avatar {
  background: var(--primary);
  color: #fff;
}
.sg-rank-info { flex: 1; }
.sg-rank-name { font-size: 14px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.sg-me-badge { font-size: 10px; background: var(--primary); color: #fff; padding: 2px 7px; border-radius: var(--radius-full); font-weight: 700; }
.sg-rank-bar-wrap { height: 4px; background: #f0ebe4; border-radius: var(--radius-full); overflow: hidden; }
.sg-rank-bar { height: 100%; background: linear-gradient(90deg, var(--primary), #f97316); border-radius: var(--radius-full); transition: width 0.4s ease; }
.sg-rank-stats { text-align: right; }
.sg-rank-time { font-size: 13px; font-weight: 600; color: var(--text); }
.sg-rank-rate { font-size: 12px; }
.sg-rank-rate.good { color: var(--good); }
.sg-rank-rate.ok { color: var(--ok); }
.sg-rank-rate.bad { color: var(--bad); }

.sg-leave-btn {
  padding: 11px 20px;
  background: transparent;
  border: 1.5px solid #fecaca;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--bad);
  cursor: pointer;
  transition: all 0.2s;
  align-self: flex-start;
}
.sg-leave-btn:hover { background: #fff1f2; }

.sg-disband-btn {
  padding: 11px 20px;
  background: transparent;
  border: 1.5px solid #fca5a5;
  border-radius: var(--radius-md);
  color: #dc2626;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  align-self: flex-start;
}
.sg-disband-btn:hover { background: #fef2f2; border-color: #dc2626; }

.sg-detail-actions { display: flex; gap: 10px; }

.sg-kick-btn {
  flex-shrink: 0;
  padding: 4px 10px;
  border: 1.5px solid #fca5a5;
  border-radius: var(--radius-full);
  background: transparent;
  color: #dc2626;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.sg-kick-btn:hover { background: #fef2f2; }

.sg-leader-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  background: var(--primary);
  color: #fff;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  margin-left: 6px;
  vertical-align: middle;
}
.sg-leader-mini {
  font-size: 10px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

/* Form Card */
.sg-form-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
  box-shadow: var(--shadow-sm);
}
.sg-form-field { display: flex; flex-direction: column; gap: 8px; }
.sg-form-label { font-size: 13px; font-weight: 700; color: var(--text); }
.sg-form-hint { font-size: 12px; color: var(--text-light); margin-top: 2px; }
.sg-input {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  width: 100%;
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sg-input:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(232,93,4,0.08); }
.sg-textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  width: 100%;
  resize: vertical;
  background: var(--bg);
  line-height: 1.6;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sg-textarea:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(232,93,4,0.08); }
.sg-msg { font-size: 13px; }
.sg-msg.err { color: var(--bad); }
.sg-submit-btn {
  padding: 13px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 4px;
  box-shadow: 0 4px 16px rgba(232,93,4,0.25);
}
.sg-submit-btn:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,93,4,0.32); }
.sg-submit-btn:active { transform: translateY(0); }
.sg-join-icon { font-size: 40px; text-align: center; }
.sg-join-hint { font-size: 14px; color: var(--text-muted); text-align: center; line-height: 1.6; }
.sg-code-input {
  text-align: center;
  font-size: 22px;
  font-family: 'Courier New', monospace;
  letter-spacing: 6px;
  font-weight: 700;
}

@media (max-width: 768px) {
  .mypage-body, .notice-body, .sg-body, .sg-header, .mypage-header, .notice-header { padding-left: 16px; padding-right: 16px; }
  .mypage-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sg-action-row { flex-direction: column; }
  .sg-info-card { flex-direction: column; }
}