*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* 配色 — 偏中性暗色，降低饱和度减轻眼疲劳 */
  --bg: #0d0f14;
  --bg-subtle: #141820;
  --surface: #181c26;
  --surface-hover: #1e2430;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef0f4;
  --text-secondary: #9aa3b5;
  --text-tertiary: #6b7385;
  --muted: var(--text-secondary);
  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-muted: rgba(129, 140, 248, 0.14);
  --success: #34d399;
  --success-muted: rgba(52, 211, 153, 0.12);
  --error: #f87171;
  --error-muted: rgba(248, 113, 113, 0.12);
  --radius: 10px;

  /* 字体 */
  --font-family: "PingFang SC", "MiSans", "HarmonyOS Sans SC", "Microsoft YaHei UI",
    "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  --text-xs: 0.8125rem;
  --text-sm: 0.875rem;
  --text-base: 0.9375rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.625rem;
  --leading-tight: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* 布局 / 组件 */
  --panel-bg: rgba(24, 28, 38, 0.72);
  --panel-border: rgba(255, 255, 255, 0.08);
  --card-radius: 16px;
  --input-height: 44px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.32);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.2);
  --sidebar-width: 380px;
  --layout-gap: 24px;
  --upload-thumb: 120px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  background: var(--bg);
  color: var(--text);
  line-height: var(--leading-normal);
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1;
}

body.page-app {
  background: linear-gradient(180deg, #13161e 0%, var(--bg) 320px);
}

body.page-login {
  min-height: 100vh;
  background: var(--bg);
}

/* 网关模式：校验 Key 完成前不展示主界面，避免未登录闪屏 */
body.page-app:not(.auth-ready) .app-shell,
body.page-app:not(.auth-ready) .page-body {
  visibility: hidden;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-body {
  padding-bottom: 48px;
}

/* ========== 顶栏 App Shell ========== */
.app-shell {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--panel-border);
  background: rgba(13, 15, 20, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.app-shell-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 60px;
  padding-top: 0;
  padding-bottom: 0;
}

.app-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}

.app-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-muted);
  border: 1px solid rgba(129, 140, 248, 0.25);
  color: var(--accent);
}

.app-logo-text {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
}

.app-shell .top-nav {
  flex: 1;
  margin-bottom: 0;
}

.app-shell .user-bar {
  margin-left: auto;
}

.page-title-bar {
  margin-bottom: 1.25rem;
}

.page-title-bar h1 {
  margin: 0 0 0.25rem;
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
}

.page-title-bar p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

header {
  margin-bottom: 1.75rem;
}

.app-header h1 {
  margin: 0 0 0.4rem;
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
  color: var(--text);
}

.app-header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  max-width: 42em;
}

header h1 {
  margin: 0 0 0.35rem;
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
}

header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.card,
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 20px;
  margin-bottom: var(--layout-gap);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card h2,
.panel h2 {
  margin: 0;
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: var(--leading-tight);
}

.panel-badge {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  font-weight: var(--weight-medium);
}

.sidebar-title {
  margin: 0 0 1.25rem;
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
}

/* dual-column editor layout */
.app-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--layout-gap);
  align-items: start;
}

.editor-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
}

.editor-layout .panel {
  margin-bottom: var(--layout-gap);
}

.editor-layout .panel:last-child {
  margin-bottom: 0;
}

.sidebar {
  min-width: 0;
}

.sticky-panel {
  position: sticky;
  top: 20px;
  margin-bottom: 0;
}

.sidebar-panel .field {
  margin-bottom: 0.85rem;
}

.sidebar-panel .field:last-of-type {
  margin-bottom: 0;
}

.sidebar-panel label {
  margin-bottom: 0.4rem;
}

.sidebar-panel input,
.sidebar-panel select,
.sidebar-panel textarea {
  margin-bottom: 0;
}

@media (max-width: 1100px) {
  .app-layout {
    grid-template-columns: 1fr;
  }

  .sticky-panel {
    position: static;
  }
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

input[type='text'],
input[type='url'],
input[type='number'],
input[type='password'],
textarea,
select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.9rem;
  min-height: var(--input-height);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  transition: border-color 0.15s, box-shadow 0.15s;
}

textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--leading-relaxed);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa3b5' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(129, 140, 248, 0.55);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .row {
    grid-template-columns: 1fr;
  }
}

.url-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.url-row {
  display: flex;
  gap: 0.5rem;
}

.url-row input {
  flex: 1;
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.05rem;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.12s, box-shadow 0.15s;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
  color: #fff;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #818cf8 0%, #a5b4fc 100%);
  box-shadow: 0 4px 16px rgba(129, 140, 248, 0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
}

.btn-text {
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  padding: 0.3rem 0.55rem;
  border-radius: 8px;
}

.btn-text:hover {
  color: var(--accent-hover);
  background: var(--accent-muted);
}

.btn-generate {
  width: 100%;
  height: 52px;
  margin-top: 0;
  border-radius: 14px;
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  gap: 0.5rem;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #818cf8 100%);
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.4);
}

.btn-generate-icon {
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.38rem 0.7rem;
  font-size: var(--text-xs);
  border-radius: 8px;
}

.hint {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: var(--leading-relaxed);
  margin: -0.35rem 0 0.75rem;
}

.size-field select {
  margin-bottom: 0.5rem;
}

.size-custom {
  margin-top: 0;
}

.hidden {
  display: none !important;
}

.panel.hidden {
  display: none !important;
}

.required {
  color: var(--error);
}

/* ========== 登录页 ========== */
.login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(165deg, #141820 0%, #0d0f14 50%, #0b0d12 100%);
}

.login-bg::before,
.login-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}

.login-bg::before {
  width: min(520px, 80vw);
  height: min(520px, 80vw);
  top: -12%;
  right: -8%;
  background: rgba(129, 140, 248, 0.07);
}

.login-bg::after {
  width: min(400px, 70vw);
  height: min(400px, 70vw);
  bottom: -10%;
  left: -6%;
  background: rgba(99, 102, 241, 0.05);
}

.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1080px;
  margin: 0 auto;
  padding: 2rem;
}

.login-brand {
  display: flex;
  align-items: center;
  padding: 2rem 3rem 2rem 1rem;
}

.login-brand-inner {
  max-width: 380px;
}

.login-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 1.5rem;
  border-radius: 14px;
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.18);
  color: var(--accent);
}

.login-brand-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.125rem);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.03em;
  line-height: var(--leading-tight);
  color: var(--text);
}

.login-brand-desc {
  margin: 0 0 1.75rem;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.login-brand-features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.login-brand-features li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: var(--leading-normal);
}

.login-brand-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.55;
}

.login-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 0 1rem 1rem;
}

body.page-login:not(.login-ready) .user-login-card {
  opacity: 0;
  transform: translateY(8px);
}

body.page-login.login-ready .user-login-card {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.user-login-card {
  width: 100%;
  max-width: 400px;
  background: rgba(24, 28, 38, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 24px 48px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.login-card-header {
  margin-bottom: 1.5rem;
}

.login-card-header h2 {
  margin: 0 0 0.35rem;
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
  color: var(--text);
}

.login-card-header p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.user-login-card label {
  display: block;
  text-align: left;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.login-input-wrap {
  margin-bottom: 1.25rem;
}

.login-input-wrap input {
  width: 100%;
  padding: 0.8rem 1rem;
  margin-bottom: 0;
  min-height: 48px;
  background: rgba(13, 15, 20, 0.6);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.login-input-wrap input::placeholder {
  color: var(--text-tertiary);
  font-family: var(--font-family);
  letter-spacing: 0;
}

.login-input-wrap input:focus {
  outline: none;
  background: rgba(13, 15, 20, 0.85);
  border-color: rgba(129, 140, 248, 0.45);
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.12);
}

.user-login-card .btn-block {
  min-height: 48px;
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  border-radius: 12px;
}

.user-login-foot {
  margin: 1.25rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-align: center;
  line-height: var(--leading-relaxed);
}

.login-error {
  display: none;
  margin-bottom: 1rem;
  padding: 0.7rem 0.85rem;
  background: var(--error-muted);
  border: 1px solid rgba(248, 113, 113, 0.25);
  border-radius: 10px;
  color: #fca5a5;
  font-size: var(--text-sm);
  text-align: left;
  line-height: var(--leading-relaxed);
}

.login-error.show {
  display: block;
}

@media (max-width: 860px) {
  .login-shell {
    grid-template-columns: 1fr;
    padding: 1.25rem;
    align-content: center;
  }

  .login-brand {
    padding: 1rem 0 0.5rem;
    text-align: center;
    justify-content: center;
  }

  .login-brand-inner {
    max-width: 400px;
  }

  .login-mark {
    margin-bottom: 1rem;
  }

  .login-brand-desc {
    margin-bottom: 1rem;
    font-size: var(--text-sm);
  }

  .login-brand-features {
    display: none;
  }

  .login-main {
    padding: 0.5rem 0 1rem;
  }
}

/* 旧类名兼容（若其它页引用） */
.user-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.user-login-logo {
  display: none;
}

.user-login-sub {
  display: none;
}

.user-login-card h1 {
  display: none;
}

.user-login-card input {
  width: 100%;
}

.btn-block {
  width: 100%;
}

/* 顶栏用户积分 */
.app-header-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.user-bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  font-size: var(--text-sm);
}

.user-name {
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
}

.user-credits {
  padding: 0.3rem 0.7rem;
  background: var(--success-muted);
  border: 1px solid rgba(52, 211, 153, 0.28);
  border-radius: 20px;
  color: var(--success);
  font-weight: var(--weight-semibold);
  font-size: var(--text-xs);
  letter-spacing: 0.01em;
}

.submit-bar {
  margin-top: 0.5rem;
}

.cost-hint {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.sidebar-panel .sidebar-section {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--panel-border);
}

.sidebar-panel .sidebar-section:last-of-type,
.sidebar-panel .mask-collapse {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-panel .mask-collapse {
  margin-bottom: 1rem;
}

.billing-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 1rem 0 1.25rem;
}

.billing-block {
  padding: 0.85rem 0.9rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
}

.billing-block.insufficient {
  background: var(--error-muted);
  border-color: rgba(248, 113, 113, 0.25);
}

.billing-block.insufficient .billing-amount {
  color: var(--error);
}

.billing-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: 0.3rem;
}

.billing-amount {
  display: block;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--accent);
  letter-spacing: -0.02em;
}

.billing-amount--balance {
  color: var(--success);
}

.billing-detail {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.7rem;
  color: var(--text-tertiary);
  line-height: 1.35;
}

.cost-box {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: var(--accent-muted);
  border: 1px solid rgba(129, 140, 248, 0.22);
}

.cost-box-label {
  margin: 0 0 0.35rem;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: var(--weight-medium);
}

.cost-box-value {
  display: block;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--accent);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.cost-box-detail {
  display: block;
  margin-top: 0.4rem;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: var(--weight-normal);
  line-height: var(--leading-relaxed);
}

.cost-box.insufficient {
  background: var(--error-muted);
  border-color: rgba(248, 113, 113, 0.25);
}

.cost-box.insufficient .cost-box-value {
  color: var(--error);
}

.cost-hint strong {
  color: var(--accent);
  font-weight: 600;
}

.cost-hint.insufficient {
  color: var(--error);
}

.cost-hint.insufficient strong {
  color: var(--error);
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.field-label-row label {
  margin: 0;
}

.model-field select:disabled {
  opacity: 0.7;
  cursor: wait;
}

#submitBtn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.size-custom.hidden {
  display: none;
}

.size-hint {
  margin: 0.25rem 0 0;
}

.status {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: 1rem;
  display: none;
}

.status.visible {
  display: block;
}

.status.loading {
  background: var(--accent-muted);
  border: 1px solid rgba(129, 140, 248, 0.28);
  color: var(--accent-hover);
}

.status.error {
  background: var(--error-muted);
  border: 1px solid rgba(248, 113, 113, 0.28);
  color: var(--error);
  white-space: pre-wrap;
}

.status.success {
  background: var(--success-muted);
  border: 1px solid rgba(52, 211, 153, 0.28);
  color: var(--success);
}

.results,
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.result-item {
  overflow: hidden;
  border-radius: var(--card-radius);
  background: #161a26;
  border: 1px solid var(--panel-border);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.result-item-enter {
  animation: resultEnter 0.45s ease both;
}

@keyframes resultEnter {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.result-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(108, 140, 255, 0.25);
}

.result-media {
  position: relative;
  overflow: hidden;
}

.result-item img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  background: #000;
  cursor: zoom-in;
  transition: transform 0.35s ease;
}

.result-item:hover img {
  transform: scale(1.03);
}

.result-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.72) 0%,
    rgba(0, 0, 0, 0.2) 55%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.22s ease;
}

.result-item:hover .result-overlay {
  opacity: 1;
}

.result-overlay-btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: rgba(22, 26, 38, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  font-size: 1.05rem;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s;
}

.result-overlay-btn:hover {
  transform: scale(1.08);
  background: rgba(108, 140, 255, 0.85);
  border-color: transparent;
}

.result-meta {
  padding: 0.65rem 0.85rem;
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--panel-border);
}

.result-item--generating .result-media {
  aspect-ratio: 1;
  min-height: 200px;
}

.result-skeleton {
  position: relative;
  width: 100%;
  height: 100%;
  background: #12151f;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 1rem;
}

.result-skeleton-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 30%,
    rgba(108, 140, 255, 0.12) 50%,
    transparent 70%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
}

@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}

.result-skeleton-label {
  position: relative;
  z-index: 1;
  font-size: 0.82rem;
  color: var(--accent);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  background: rgba(22, 26, 38, 0.85);
  backdrop-filter: blur(8px);
}

.result-item .meta {
  padding: 0.65rem 0.75rem;
  font-size: 0.8rem;
}

.result-actions {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem 0.65rem;
  border-top: 1px solid var(--border);
}

.result-actions .btn {
  flex: 1;
  justify-content: center;
}

.lightbox-toolbar {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  justify-content: center;
}

.result-item a {
  color: var(--accent);
  word-break: break-all;
}

.drop-zone {
  position: relative;
  margin-bottom: 0.75rem;
  border: 2px dashed var(--border);
  border-radius: var(--card-radius);
  background: var(--bg);
  transition: border-color 0.15s, background 0.15s;
}

.upload-zone {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.upload-drop-wide {
  border: 2px dashed var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.15s, background 0.15s;
}

.upload-zone.dragover .upload-drop-wide {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.upload-drop-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
  cursor: pointer;
}

.upload-drop-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 0.75rem;
  border-radius: 14px;
  background: var(--accent-muted);
  color: var(--accent);
}

.upload-drop-title {
  margin: 0 0 0.35rem;
  font-size: var(--text-md);
  font-weight: var(--weight-medium);
  color: var(--text);
}

.upload-drop-desc {
  margin: 0 0 1rem;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: var(--leading-relaxed);
}

.upload-zone.has-files .upload-drop-wide {
  display: none;
}

.upload-inline {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 4px 0;
  border: none;
  background: transparent;
  transition: none;
}

.upload-inline.dragover {
  outline: 2px dashed var(--accent);
  outline-offset: 4px;
  border-radius: var(--card-radius);
  background: rgba(108, 140, 255, 0.06);
}

.upload-box {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: var(--upload-thumb);
  height: var(--upload-thumb);
  border: 2px dashed var(--border);
  border-radius: 16px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  font-size: 0.82rem;
}

.upload-box:hover {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(108, 140, 255, 0.06);
}

.upload-box-icon {
  font-size: 1.75rem;
  line-height: 1;
  font-weight: 300;
}

.upload-box-label {
  font-size: 0.78rem;
}

.upload-panel .file-preview-item .name {
  display: none;
}

.result-grid:empty::before {
  display: none;
}

.prompt-toolbar {
  display: flex;
  gap: 0.35rem;
}

.drop-zone-input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.drop-zone-body {
  padding: 1.5rem 1rem;
  text-align: center;
}

.drop-zone-icon {
  font-size: 1.75rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.drop-zone-title {
  margin: 0 0 0.25rem;
  font-weight: 500;
}

.drop-zone-desc {
  margin: 0 0 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.file-preview-list,
.preview-strip {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}

.file-preview-item {
  position: relative;
  width: var(--upload-thumb);
  flex-shrink: 0;
}

.file-preview-item img {
  width: var(--upload-thumb);
  height: var(--upload-thumb);
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  display: block;
  cursor: zoom-in;
  transition: border-color 0.15s, transform 0.15s;
}

.file-preview-item img:hover {
  border-color: var(--accent);
  transform: scale(1.02);
}

.file-preview-item .name {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-preview-item .remove-file {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
}

.file-preview-item .remove-file:hover {
  background: var(--error);
}

.preview-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.preview-grid img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.optional {
  opacity: 0.85;
}

.top-nav {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  font-size: var(--text-sm);
}

.top-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.45rem 0.85rem;
  border-radius: 9px;
  font-weight: var(--weight-medium);
  transition: color 0.15s, background 0.15s;
}

.top-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.top-nav a.active {
  color: var(--text);
  background: var(--accent-muted);
  color: var(--accent-hover);
}

.param-disabled-hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.jobs-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.jobs-toolbar label {
  margin: 0;
}

.preview-add-more {
  opacity: 0.85;
}

.preview-add-more:hover {
  opacity: 1;
}

.jobs-table th {
  text-align: left;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
  padding-bottom: 0.65rem;
}

.jobs-toolbar select {
  margin: 0;
  width: auto;
  min-width: 140px;
}

.table-wrap {
  overflow-x: auto;
}

.jobs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.jobs-table th,
.jobs-table td {
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.prompt-cell {
  max-width: 220px;
}

.job-id {
  font-size: 0.75rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.02em;
}

.badge-pending,
.badge-processing {
  background: var(--accent-muted);
  color: var(--accent-hover);
}

.badge-completed {
  background: var(--success-muted);
  color: var(--success);
}

.badge-failed {
  background: var(--error-muted);
  color: var(--error);
}

.badge-cancelled {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-tertiary);
}

.jobs-pagination {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.job-meta {
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.model-param-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.35rem 0.75rem;
  margin: 0.5rem 0;
}

.model-param-grid label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  color: var(--text);
  font-size: 0.85rem;
}

.model-param-grid input {
  width: auto;
  margin: 0;
}

.preview-hint {
  margin: 0.5rem 0 0.35rem;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(4px);
}

.lightbox.hidden {
  display: none;
}

.lightbox-inner {
  position: relative;
  max-width: min(96vw, 1400px);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-inner img {
  max-width: 100%;
  max-height: calc(92vh - 3rem);
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  margin: 0.75rem 0 0;
  color: #ccc;
  font-size: 0.9rem;
  text-align: center;
  max-width: 90vw;
  word-break: break-all;
}

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1001;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.28);
}

.lightbox-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.95rem;
  pointer-events: none;
}

.lightbox.is-loading .lightbox-inner img {
  opacity: 0.15;
}

/* prompt panel */
.prompt-panel textarea {
  min-height: 128px;
  margin-bottom: 0;
  border-radius: 12px;
  resize: vertical;
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

.prompt-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.55rem;
}

.prompt-count {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* usage guide — collapsed by default */
.usage-collapse {
  margin-bottom: var(--layout-gap);
}

.usage-collapse > summary {
  cursor: pointer;
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  list-style: none;
  user-select: none;
}

.usage-collapse > summary::-webkit-details-marker {
  display: none;
}

.usage-collapse > summary::before {
  content: '▸ ';
  display: inline-block;
  transition: transform 0.15s;
}

.usage-collapse[open] > summary::before {
  transform: rotate(90deg);
}

.usage-collapse[open] > summary {
  color: var(--text);
  margin-bottom: 1rem;
}

.usage-collapse-body {
  padding-top: 0.25rem;
}

.mask-collapse {
  margin: 1rem 0 0;
  border-top: 1px solid var(--panel-border);
  padding-top: 0.85rem;
}

.mask-collapse > summary {
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--muted);
  list-style: none;
  user-select: none;
}

.mask-collapse > summary::-webkit-details-marker {
  display: none;
}

.mask-collapse-body {
  padding-top: 0.75rem;
}

.mask-collapse-body input[type='url'],
.mask-collapse-body input[type='file'] {
  margin-bottom: 0.75rem;
}

.usage-prompt-box {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
}

.usage-prompt-label {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.usage-prompt-text {
  margin: 0 0 0.75rem;
  padding: 0.65rem 0.85rem;
  border-left: 3px solid var(--accent);
  background: rgba(108, 140, 255, 0.06);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text);
}

.usage-demo-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}

.usage-demo-images figure {
  margin: 0;
  text-align: center;
}

.usage-demo-images img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: zoom-in;
  transition: box-shadow 0.15s;
}

.usage-demo-images img:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.usage-demo-images figcaption {
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.usage-demo-result img {
  border-color: var(--accent);
}

.loading-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  padding: 1rem 0;
}

.loading-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.app-toast {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(-120%);
  z-index: 2000;
  max-width: min(92vw, 420px);
  padding: 0.75rem 1.15rem;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.45;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.app-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.app-toast.success {
  background: rgba(22, 42, 32, 0.96);
  border: 1px solid rgba(61, 214, 140, 0.45);
  color: #7eeab8;
}

.app-toast.error {
  background: rgba(42, 22, 26, 0.96);
  border: 1px solid rgba(255, 107, 122, 0.45);
  color: #ff9aa8;
}

.app-toast.info {
  background: rgba(22, 28, 48, 0.96);
  border: 1px solid rgba(108, 140, 255, 0.45);
  color: #a8bcff;
}

/* task queue */
.queue-panel {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--panel-border);
  transition: opacity 0.2s;
}

.queue-panel:not(.queue-panel--active) {
  opacity: 0.65;
}

.queue-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.queue-panel-header h3 {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
}

.queue-count {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  background: rgba(108, 140, 255, 0.15);
  color: var(--accent);
}

.queue-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 220px;
  overflow-y: auto;
}

.queue-empty {
  margin: 0;
  font-size: 0.8rem;
}

.queue-item {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
}

.queue-dot {
  width: 8px;
  height: 8px;
  margin-top: 0.35rem;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--accent);
}

.queue-item--processing .queue-dot {
  animation: pulse 1.2s ease infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.85);
  }
}

.queue-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.queue-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
}

.queue-sub {
  font-size: 0.72rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* history grid */
.result-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 2.5rem 1rem;
  border: 1px dashed var(--panel-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

.result-empty-icon {
  font-size: 2.5rem;
  opacity: 0.35;
  margin-bottom: 0.65rem;
  line-height: 1;
}

.result-empty p {
  margin: 0;
}

.result-grid:not(:empty) + .result-empty {
  display: none;
}

.result-panel:has(.result-item--generating) .result-empty {
  display: none;
}

.history-panel.hidden {
  display: none;
}

.history-strip {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.history-strip::-webkit-scrollbar {
  height: 6px;
}

.history-strip::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}

.job-card--history {
  flex: 0 0 220px;
  flex-direction: column;
  scroll-snap-align: start;
  padding: 0;
  overflow: hidden;
}

.job-card--history .job-card-thumb {
  width: 100%;
  height: 120px;
  border-radius: 0;
}

.job-card--history .job-card-body {
  padding: 0.75rem;
}

.history-grid,
.job-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.job-card {
  display: flex;
  gap: 14px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.job-card-clickable {
  cursor: pointer;
}

.job-card-clickable:hover,
.job-card-clickable:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(108, 140, 255, 0.22);
  outline: none;
}

.job-card-thumb {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #12151f;
}

.job-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.job-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.job-card-placeholder--empty {
  font-size: 1.2rem;
  opacity: 0.4;
}

.job-card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.job-card-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.job-card-model {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: var(--weight-medium);
}

.job-card-prompt {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.job-card-time {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.scroll-sentinel {
  height: 1px;
  margin-top: 1rem;
}

.feed-status {
  text-align: center;
  margin: 1rem 0 0;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--success);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  background: rgba(61, 214, 140, 0.1);
  border: 1px solid rgba(61, 214, 140, 0.25);
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 1.5s ease infinite;
}