/* ════════════════════════════
   SETTINGS LAYOUT
════════════════════════════ */
.settings-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  width: 100%;
  align-items: start;
}

/* ════════════════════════════
   SETTINGS NAV (좌측)
════════════════════════════ */
.settings-nav {
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  position: sticky;
  top: 0;
}

/* 프로필 헤더 */
.settings-nav-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px 18px;
  border-bottom: 1px solid var(--border);
}

.settings-nav-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grd);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: -0.5px;
  position: relative;
  overflow: hidden;
}

.settings-nav-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.settings-nav-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.settings-nav-email {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 탭 목록 */
.settings-tab-list {
  list-style: none;
  padding: 12px 10px;
}

.settings-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s var(--ease);
  margin-bottom: 8px;
  color: var(--text-2);
}

.settings-tab:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: transparent;
}

.settings-tab.active {
  background: var(--project-bg);
  border-color: var(--project-text);
}

.settings-tab-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.7;
}

.settings-tab.active .settings-tab-icon,
.settings-tab:hover .settings-tab-icon {
  opacity: 1;
}

.settings-tab-icon svg {
  width: 16px;
  height: 16px;
}

.settings-tab-label {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
}

.settings-tab.active .settings-tab-label {
  font-weight: 600;
}

.settings-tab-arrow {
  width: 14px;
  height: 14px;
  opacity: 0.4;
  flex-shrink: 0;
}

.settings-tab.active .settings-tab-arrow {
  opacity: 0.7;
}

/* ════════════════════════════
   SETTINGS CONTENT (우측)
════════════════════════════ */
.settings-content {
  background: var(--white);
  border-radius: 14px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  animation: settingsFadeIn 0.2s var(--ease);
}

@keyframes settingsFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 공통 패널 헤더 */
.settings-panel-header {
  padding: 22px 26px 18px;
  border-bottom: 1px solid var(--border);
}

.settings-panel-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.settings-panel-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* 패널 바디 */
.settings-panel-body {
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* 패널 푸터 */
.settings-panel-footer {
  padding: 16px 26px 22px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ════════════════════════════
   FORM ELEMENTS
════════════════════════════ */
.settings-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.settings-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.settings-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.settings-input {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: all 0.18s var(--ease);
}

.settings-input:focus {
  border-color: var(--primary-border);
  background: var(--white);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.settings-input.error {
  border-color: #e53935;
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

.settings-input-hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.settings-input-hint.error-msg {
  color: #e53935;
}

/* 비밀번호 입력 래퍼 (눈 아이콘) */
.settings-pw-wrap {
  position: relative;
}

.settings-pw-wrap .settings-input {
  width: 100%;
  padding-right: 42px;
}

.settings-pw-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  padding: 0;
  transition: color 0.15s;
}

.settings-pw-toggle:hover {
  color: var(--text);
}

.settings-pw-toggle svg {
  width: 17px;
  height: 17px;
}

/* 비밀번호 강도 바 */
.pw-strength-bar {
  height: 4px;
  border-radius: 99px;
  background: var(--border);
  margin-top: 8px;
  overflow: hidden;
}

.pw-strength-fill {
  height: 100%;
  border-radius: 99px;
  transition:
    width 0.3s var(--ease),
    background 0.3s;
  width: 0%;
}

.pw-strength-fill.weak {
  background: #e53935;
}
.pw-strength-fill.fair {
  background: #fb8c00;
}
.pw-strength-fill.good {
  background: #fdd835;
}
.pw-strength-fill.strong {
  background: #43a047;
}

.pw-strength-label {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  font-weight: 500;
}

.pw-strength-label.weak {
  color: #e53935;
}
.pw-strength-label.fair {
  color: #fb8c00;
}
.pw-strength-label.good {
  color: #f9a825;
}
.pw-strength-label.strong {
  color: #43a047;
}

/* 비밀번호 조건 체크 */
.pw-rules {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.pw-rule {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  transition: color 0.2s;
}

.pw-rule.pass {
  color: #43a047;
}

.pw-rule-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ════════════════════════════
   PROFILE IMAGE UPLOAD
════════════════════════════ */
.settings-avatar-section {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 20px;
  background: var(--bg);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.settings-avatar-preview {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--grd);
  color: #fff;
  font-size: 26px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  border: 3px solid var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.settings-avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.settings-avatar-info {
  flex: 1;
}

.settings-avatar-info p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

.settings-avatar-info p strong {
  color: var(--text);
}

.settings-avatar-btns {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.settings-avatar-upload {
  position: relative;
  display: inline-block;
}

.settings-avatar-upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

/* ════════════════════════════
   BUTTONS
════════════════════════════ */
.settings-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s var(--ease);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.settings-btn.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.settings-btn.primary:hover {
  background: #005bbf;
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.28);
}

.settings-btn.secondary {
  background: var(--white);
  color: var(--text-2);
}

.settings-btn.secondary:hover {
  background: var(--bg);
  color: var(--text);
}

.settings-btn.danger {
  background: var(--white);
  color: #e53935;
  border-color: rgba(229, 57, 53, 0.3);
}

.settings-btn.danger:hover {
  background: rgba(229, 57, 53, 0.07);
  border-color: #e53935;
}

.settings-btn svg {
  width: 14px;
  height: 14px;
}

/* ════════════════════════════
   READ-ONLY INFO CARDS
════════════════════════════ */
.settings-readonly-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.settings-info-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.settings-info-card-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.settings-info-card-label svg {
  width: 12px;
  height: 12px;
}

.settings-info-card-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.settings-info-card-value.muted {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

/* 읽기 전용 안내 배너 */
.settings-readonly-notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(0, 113, 227, 0.05);
  border: 1px solid var(--primary-border);
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

.settings-readonly-notice svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ════════════════════════════
   DIVIDER
════════════════════════════ */
.settings-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* ════════════════════════════
   TOAST
════════════════════════════ */
.settings-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grd);
  color: #fff;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  z-index: 9999;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  animation:
    settingsToastIn 0.25s var(--ease),
    settingsToastOut 0.3s var(--ease) 2s forwards;
  white-space: nowrap;
}

@keyframes settingsToastIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes settingsToastOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* ════════════════════════════
   RESPONSIVE
════════════════════════════ */
@media (max-width: 1024px) {
  .settings-container {
    grid-template-columns: 220px 1fr;
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .settings-container {
    grid-template-columns: 1fr;
  }

  .settings-nav {
    position: static;
  }

  .settings-readonly-grid {
    grid-template-columns: 1fr;
  }

  .settings-form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .settings-panel-body {
    padding: 16px 18px;
  }

  .settings-panel-header {
    padding: 18px 18px 14px;
  }

  .settings-panel-footer {
    padding: 12px 18px 18px;
  }
}