@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@500;700;800&family=Plus+Jakarta+Sans:wght@400;500;700&display=swap");

:root {
  --page-bg: #05060b;
  --page-bg-top: #090d18;
  --page-bg-bottom: #05060b;
  --ambient-1: rgba(74, 214, 255, 0.16);
  --ambient-2: rgba(0, 183, 255, 0.13);
  --surface-1: rgba(14, 19, 33, 0.82);
  --surface-2: rgba(13, 17, 29, 0.9);
  --surface-3: rgba(10, 13, 23, 0.95);
  --surface-elevated: linear-gradient(160deg, rgba(16, 22, 37, 0.92) 0%, rgba(10, 13, 22, 0.98) 100%);
  --panel-border: rgba(147, 166, 214, 0.26);
  --text-main: #f3f6ff;
  --text-muted: #b3bfdd;
  --accent: #4ad6ff;
  --accent-strong: #00b7ff;
  --accent-border: rgba(74, 214, 255, 0.5);
  --card-glow-border: rgba(74, 214, 255, 0.62);
  --card-glow-soft: rgba(74, 214, 255, 0.28);
  --button-gradient: linear-gradient(120deg, #1a8ab3 0%, #00b7ff 95%);
  --button-shadow: 0 10px 24px rgba(0, 133, 185, 0.33);
  --button-surface: rgba(8, 13, 24, 0.9);
  --button-surface-hover: rgba(12, 19, 33, 0.96);
  --input-bg: rgba(5, 9, 18, 0.86);
  --input-text: #eff4ff;
  --input-placeholder: #8e9cc0;
  --input-border: rgba(146, 168, 219, 0.3);
  --focus-ring: rgba(74, 214, 255, 0.2);
  --success: #9ceccf;
  --error: #ffb7bf;
  --shadow-1: 0 22px 58px rgba(0, 0, 0, 0.5);
}

html[data-theme="light"] {
  --page-bg: #eef3fb;
  --page-bg-top: #f8fbff;
  --page-bg-bottom: #e5ecf8;
  --ambient-1: rgba(0, 128, 255, 0.14);
  --ambient-2: rgba(94, 138, 255, 0.12);
  --surface-1: rgba(255, 255, 255, 0.82);
  --surface-2: rgba(247, 250, 255, 0.94);
  --surface-3: rgba(239, 244, 252, 0.98);
  --surface-elevated: linear-gradient(160deg, rgba(255, 255, 255, 0.92) 0%, rgba(241, 246, 255, 0.98) 100%);
  --panel-border: rgba(122, 145, 185, 0.28);
  --text-main: #0f1728;
  --text-muted: #4e5d78;
  --accent: #0b87d9;
  --accent-strong: #006ab3;
  --accent-border: rgba(0, 106, 179, 0.32);
  --card-glow-border: rgba(11, 135, 217, 0.56);
  --card-glow-soft: rgba(19, 104, 181, 0.2);
  --button-gradient: linear-gradient(120deg, #0b87d9 0%, #1368b5 95%);
  --button-shadow: 0 12px 22px rgba(17, 96, 160, 0.2);
  --button-surface: rgba(255, 255, 255, 0.88);
  --button-surface-hover: rgba(248, 251, 255, 1);
  --input-bg: rgba(255, 255, 255, 0.92);
  --input-text: #10192b;
  --input-placeholder: #6b7a94;
  --input-border: rgba(122, 145, 185, 0.35);
  --focus-ring: rgba(11, 135, 217, 0.18);
  --success: #176f55;
  --error: #a63a48;
  --shadow-1: 0 22px 58px rgba(43, 68, 102, 0.18);
}

html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-main);
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(900px 500px at 10% -10%, var(--ambient-1), transparent 58%),
    radial-gradient(700px 520px at 92% -12%, var(--ambient-2), transparent 56%),
    linear-gradient(180deg, var(--page-bg-top) 0%, var(--page-bg) 55%, var(--page-bg-bottom) 100%);
}

body,
button,
input,
textarea {
  transition:
    background-color 0.18s ease,
    color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.16s ease,
    filter 0.16s ease;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.app-nav {
  padding: 1.25rem 0;
}

.app-nav .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "left right"
    "center center";
  align-items: center;
  row-gap: 0.65rem;
  column-gap: 0.75rem;
}

.app-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.app-nav-left {
  grid-area: left;
  justify-self: start;
  min-width: 0;
}

.app-nav-center {
  grid-area: center;
  justify-self: center;
  display: inline-flex;
  align-items: center;
  pointer-events: none;
}

.app-nav-right {
  grid-area: right;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.mobile-nav-toggle,
.mobile-nav-home-link {
  display: none;
}

.mobile-nav-toggle {
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--surface-1);
  color: var(--text-main);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
}

.mobile-nav-toggle:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.mobile-nav-toggle-icon {
  display: inline-flex;
  width: 1rem;
  flex-direction: column;
  gap: 0.2rem;
}

.mobile-nav-toggle-icon span {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--text-main);
}

.app-nav-auth-links {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.app-brand {
  color: var(--text-main);
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.app-nav-link {
  padding: 0.48rem 0.82rem;
  border: 1px solid color-mix(in srgb, var(--panel-border) 78%, var(--accent) 22%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-1) 86%, transparent);
  color: color-mix(in srgb, var(--text-main) 88%, var(--text-muted) 12%);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
}

.app-nav-link:hover {
  transform: translateY(-1px);
  border-color: var(--accent-border);
  background: color-mix(in srgb, var(--surface-2) 86%, transparent);
}

.app-nav-link-account {
  padding-inline: 0.7rem;
}

.app-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.yt-logo {
  width: 32px;
  height: 22px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #ff2f4f 0%, #e71332 100%);
  box-shadow:
    0 8px 18px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  opacity: 0.9;
}

.yt-logo svg {
  width: 14px;
  height: 14px;
  fill: #ffffff;
  margin-left: 1px;
}

.app-footer {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.app-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.app-footer-links a {
  color: inherit;
}

.app-shell {
  padding-bottom: 2rem;
}

.hero-panel,
.workspace-panel {
  background: linear-gradient(160deg, var(--surface-1) 0%, var(--surface-2) 100%);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(6px);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 11%, transparent), transparent 32%, color-mix(in srgb, var(--accent-strong) 8%, transparent) 78%, transparent);
  pointer-events: none;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-panel h1 {
  margin: 0 0 0.75rem;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.04;
}

.hero-copy {
  margin: 0;
  max-width: 52rem;
  color: var(--text-muted);
  font-size: 1.03rem;
}

.workspace-panel {
  padding: 1.5rem;
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--surface-3) 100%);
}

.input-panel {
  margin-bottom: 1.5rem;
}

.input-label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.youtube-url-input {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  background: var(--input-bg);
  color: var(--input-text);
  font: inherit;
}

.youtube-url-input::placeholder {
  color: var(--input-placeholder);
}

.youtube-url-input:focus {
  outline: 3px solid var(--focus-ring);
  border-color: var(--accent-border);
}

.source-input {
  width: 100%;
  min-height: 180px;
  padding: 1rem;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  background: var(--input-bg);
  color: var(--input-text);
  font: inherit;
  resize: vertical;
}

.source-input::placeholder {
  color: var(--input-placeholder);
}

.source-input:focus {
  outline: 3px solid var(--focus-ring);
  border-color: var(--accent-border);
}

.character-count {
  margin: 0.55rem 0 0;
  color: var(--text-muted);
  font-size: 0.84rem;
  text-align: right;
}

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

.generate-button {
  padding: 0.85rem 1.35rem;
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  background: var(--button-gradient);
  color: #f9fdff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  box-shadow: var(--button-shadow);
}

.input-actions .generate-button {
  margin-top: 0;
}

.clear-button {
  padding: 0.85rem 1.35rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--button-surface);
  color: var(--text-main);
  font: inherit;
  font-weight: 700;
}

.clear-button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--panel-border) 70%, var(--accent) 30%);
  background: var(--button-surface-hover);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
}

.generate-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px color-mix(in srgb, var(--accent) 30%, transparent);
  filter: brightness(1.03);
}

.generate-button:disabled,
.regenerate-button:disabled,
.generate-button[aria-disabled="true"],
.regenerate-button[aria-disabled="true"] {
  cursor: not-allowed;
  transform: none;
  filter: none;
  opacity: 0.58;
  box-shadow: none;
}

.generate-button:disabled:hover,
.regenerate-button:disabled:hover,
.generate-button[aria-disabled="true"]:hover,
.regenerate-button[aria-disabled="true"]:hover {
  transform: none;
  filter: none;
  box-shadow: none;
}

.generation-access-message {
  min-height: 1.4rem;
  margin: 0.7rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 82%, var(--text-main) 18%);
  font-size: 0.87rem;
  font-weight: 600;
}

.generation-access-message.is-allowed {
  color: color-mix(in srgb, var(--success) 72%, var(--text-main) 28%);
}

.generation-access-message.is-blocked,
.generation-access-message.is-lookup-failure {
  color: color-mix(in srgb, var(--text-main) 54%, var(--error) 46%);
}

.theme-toggle {
  padding: 0.65rem 1rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--button-surface);
  color: var(--text-main);
  font: inherit;
  font-weight: 700;
  line-height: 1;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--accent-border);
  background: var(--button-surface-hover);
}

.generation-message {
  min-height: 1.5rem;
  margin: 0.7rem 0 0;
  color: var(--text-muted);
  font-size: 0.93rem;
}

.plan-status {
  margin-top: 0.65rem;
  padding: 0.82rem 0.95rem;
  border: 1px dashed color-mix(in srgb, var(--panel-border) 70%, var(--accent) 30%);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-1) 86%, transparent);
}

.plan-status-label {
  margin: 0;
  color: color-mix(in srgb, var(--text-main) 86%, var(--text-muted) 14%);
  font-size: 0.9rem;
  font-weight: 600;
}

.plan-status-usage {
  margin: 0.3rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 82%, var(--text-main) 18%);
  font-size: 0.85rem;
  font-weight: 600;
}

.plan-status-usage-value {
  color: color-mix(in srgb, var(--accent) 78%, var(--text-main) 22%);
  font-weight: 800;
}

.plan-status-note {
  margin: 0.2rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 84%, var(--text-main) 16%);
  font-size: 0.86rem;
  font-weight: 500;
}

.pricing-plan-compact {
  margin-top: 0.65rem;
  padding: 0.72rem;
  border: 1px solid color-mix(in srgb, var(--panel-border) 72%, var(--accent) 28%);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 82%, transparent);
}

.pricing-plan-heading {
  margin: 0;
  color: color-mix(in srgb, var(--text-main) 88%, var(--text-muted) 12%);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing-plan-grid {
  margin-top: 0.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.pricing-plan-tier {
  padding: 0.52rem 0.6rem;
  border: 1px solid color-mix(in srgb, var(--panel-border) 84%, var(--accent) 16%);
  border-radius: 9px;
  background: color-mix(in srgb, var(--surface-1) 88%, transparent);
}

.pricing-plan-tier-pro {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--panel-border));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}

.pricing-plan-name {
  margin: 0;
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 800;
}

.pricing-plan-price {
  margin: 0.16rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 78%, var(--text-main) 22%);
  font-size: 0.78rem;
  font-weight: 600;
}

.pricing-plan-benefits {
  margin: 0.56rem 0 0;
  padding-left: 1.1rem;
  color: color-mix(in srgb, var(--text-muted) 84%, var(--text-main) 16%);
  font-size: 0.75rem;
  line-height: 1.38;
}

.pricing-plan-benefits li + li {
  margin-top: 0.2rem;
}

.plan-status-actions {
  margin-top: 0.68rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.upgrade-pro-button {
  padding: 0.5rem 0.88rem;
  border: 1px solid color-mix(in srgb, var(--accent) 48%, var(--panel-border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--button-surface) 82%, var(--accent) 18%);
  color: color-mix(in srgb, var(--text-main) 88%, var(--accent) 12%);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
}

.upgrade-pro-button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 65%, var(--panel-border));
  background: color-mix(in srgb, var(--button-surface-hover) 74%, var(--accent) 26%);
}

.upgrade-pro-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.upgrade-pro-button:disabled {
  opacity: 0.72;
  cursor: wait;
}

.manage-plan-button {
  padding: 0.5rem 0.88rem;
  border: 1px solid color-mix(in srgb, var(--panel-border) 78%, var(--accent) 22%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--button-surface) 88%, var(--surface-1) 12%);
  color: color-mix(in srgb, var(--text-main) 84%, var(--text-muted) 16%);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.manage-plan-button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--panel-border) 58%, var(--accent) 42%);
  background: color-mix(in srgb, var(--button-surface-hover) 82%, var(--surface-1) 18%);
}

.manage-plan-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.manage-plan-button:disabled {
  opacity: 0.72;
  cursor: wait;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--panel-border) 64%, transparent);
}

.upgrade-pro-message {
  margin: 0;
  color: color-mix(in srgb, var(--text-muted) 84%, var(--text-main) 16%);
  font-size: 0.78rem;
  font-weight: 600;
}

.billing-status-placeholder {
  margin-top: 0.65rem;
  padding: 0.62rem 0.72rem;
  border: 1px dashed color-mix(in srgb, var(--panel-border) 70%, var(--accent) 30%);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 78%, transparent);
}

.billing-status-heading {
  margin: 0;
  color: color-mix(in srgb, var(--text-main) 84%, var(--text-muted) 16%);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.billing-status-line {
  margin: 0.28rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 78%, var(--text-main) 22%);
  font-size: 0.8rem;
  font-weight: 600;
}

.billing-status-note {
  margin: 0.34rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 86%, var(--text-main) 14%);
  font-size: 0.74rem;
  font-weight: 500;
}

.payment-setup-checklist-placeholder {
  margin-top: 0.65rem;
  padding: 0.68rem 0.74rem;
  border: 1px dashed color-mix(in srgb, var(--panel-border) 68%, var(--accent) 32%);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 80%, transparent);
}

.payment-setup-heading {
  margin: 0;
  color: color-mix(in srgb, var(--text-main) 84%, var(--text-muted) 16%);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.payment-setup-status {
  margin: 0.28rem 0 0;
  color: color-mix(in srgb, var(--text-main) 82%, var(--text-muted) 18%);
  font-size: 0.8rem;
  font-weight: 700;
}

.payment-setup-list {
  margin: 0.42rem 0 0;
  padding-left: 1.05rem;
  color: color-mix(in srgb, var(--text-muted) 80%, var(--text-main) 20%);
  font-size: 0.77rem;
  line-height: 1.42;
}

.payment-setup-list li + li {
  margin-top: 0.17rem;
}

.payment-setup-note {
  margin: 0.4rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 86%, var(--text-main) 14%);
  font-size: 0.73rem;
  font-weight: 500;
}

.payment-config-status-placeholder {
  margin-top: 0.65rem;
  padding: 0.68rem 0.74rem;
  border: 1px dashed color-mix(in srgb, var(--panel-border) 66%, var(--accent) 34%);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 80%, transparent);
}

.payment-config-heading {
  margin: 0;
  color: color-mix(in srgb, var(--text-main) 84%, var(--text-muted) 16%);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.payment-config-overall {
  margin: 0.3rem 0 0;
  color: color-mix(in srgb, var(--text-main) 82%, var(--text-muted) 18%);
  font-size: 0.8rem;
  font-weight: 700;
}

.payment-config-overall-ready {
  color: color-mix(in srgb, var(--success) 68%, var(--text-main) 32%);
}

.payment-config-list {
  margin: 0.45rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.36rem;
}

.payment-config-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.55rem;
  padding: 0.34rem 0.42rem;
  border: 1px solid color-mix(in srgb, var(--panel-border) 78%, var(--accent) 22%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-1) 88%, transparent);
}

.payment-config-label {
  color: color-mix(in srgb, var(--text-muted) 80%, var(--text-main) 20%);
  font-size: 0.78rem;
  font-weight: 600;
}

.payment-config-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 5.9rem;
  padding: 0.22rem 0.54rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.payment-config-status-missing {
  color: color-mix(in srgb, var(--error) 72%, var(--text-main) 28%);
  border-color: color-mix(in srgb, var(--error) 40%, var(--panel-border));
  background: color-mix(in srgb, var(--error) 14%, transparent);
}

.payment-config-status-placeholder {
  color: color-mix(in srgb, var(--accent) 82%, var(--text-main) 18%);
  border-color: color-mix(in srgb, var(--accent) 46%, var(--panel-border));
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.payment-config-status-configured {
  color: color-mix(in srgb, var(--success) 76%, var(--text-main) 24%);
  border-color: color-mix(in srgb, var(--success) 42%, var(--panel-border));
  background: color-mix(in srgb, var(--success) 13%, transparent);
}

.payment-config-note {
  margin: 0.42rem 0 0;
  color: color-mix(in srgb, var(--text-muted) 86%, var(--text-main) 14%);
  font-size: 0.73rem;
  font-weight: 500;
}

.generation-message.is-error {
  color: var(--error);
}

.generation-message.is-success {
  color: var(--success);
}

.results-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.results-toolbar-status {
  min-width: 0;
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.results-toolbar-status.is-copied {
  color: var(--success);
}

.results-toolbar-status.is-copy-error {
  color: var(--error);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.result-card {
  position: relative;
  min-height: 150px;
  padding: 1.25rem;
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  background: var(--surface-elevated);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--panel-border) 28%, transparent);
  animation: card-enter 360ms ease both;
}

.result-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.result-card-header h2 {
  flex: 1 1 11rem;
  min-width: 0;
}

.card-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  margin-left: auto;
}

.result-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
}

.result-card.result-card-glow::after {
  animation: card-glow-fade 760ms ease-out;
}

.result-card h2 {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
}

.copy-button {
  padding: 0.48rem 0.8rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--button-surface);
  color: var(--text-main);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1;
}

.copy-button:hover {
  transform: translateY(-1px);
  border-color: var(--accent-border);
  background: var(--button-surface-hover);
}

.copy-button.is-copied {
  border-color: color-mix(in srgb, var(--success) 45%, var(--panel-border));
  color: var(--success);
}

.copy-button.is-copy-error {
  border-color: color-mix(in srgb, var(--error) 50%, var(--panel-border));
  color: var(--error);
}

.regenerate-button {
  padding: 0.48rem 0.8rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--button-surface);
  color: var(--text-main);
  cursor: pointer;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1;
}

.regenerate-button:hover {
  transform: translateY(-1px);
  border-color: var(--accent-border);
  background: var(--button-surface-hover);
}

.regenerate-button.is-busy {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--panel-border));
  color: var(--accent);
}

.regenerate-button.is-regenerated {
  border-color: color-mix(in srgb, var(--success) 45%, var(--panel-border));
  color: var(--success);
}

.result-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.result-card:nth-child(2) {
  animation-delay: 50ms;
}

.result-card:nth-child(3) {
  animation-delay: 100ms;
}

.result-card:nth-child(4) {
  animation-delay: 150ms;
}

.result-card:nth-child(5) {
  animation-delay: 200ms;
}

.result-card:nth-child(6) {
  animation-delay: 250ms;
}

.app-footer {
  padding: 0 0 2rem;
}

.account-hero-panel,
.account-panel {
  background: linear-gradient(160deg, var(--surface-1) 0%, var(--surface-2) 100%);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(6px);
}

.account-hero-panel {
  position: relative;
  overflow: hidden;
  padding: 1.8rem;
  margin-bottom: 1rem;
}

.account-hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 34%, color-mix(in srgb, var(--accent-strong) 7%, transparent) 80%, transparent);
  pointer-events: none;
}

.account-hero-panel h1 {
  margin: 0.18rem 0 0.6rem;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.08;
}

.account-panel {
  padding: 1.35rem;
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--surface-3) 100%);
}

.account-panel h2 {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
}

.account-note {
  margin: 0.45rem 0 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.account-form {
  margin-top: 1rem;
  display: grid;
  gap: 0.72rem;
  max-width: 520px;
}

.account-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  background: var(--input-bg);
  color: var(--input-text);
  font: inherit;
}

.account-input::placeholder {
  color: var(--input-placeholder);
}

.account-submit {
  margin-top: 0.45rem;
  width: fit-content;
}

.account-meta {
  margin: 0.95rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.account-link {
  color: color-mix(in srgb, var(--accent) 74%, var(--text-main) 26%);
  font-weight: 700;
  text-decoration-color: color-mix(in srgb, var(--accent) 56%, transparent);
  text-underline-offset: 2px;
}

.account-link:hover {
  color: color-mix(in srgb, var(--accent-strong) 82%, var(--text-main) 18%);
}

.ecosystem-hero,
.ecosystem-family,
.ecosystem-final-cta {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: linear-gradient(160deg, var(--surface-1) 0%, var(--surface-2) 100%);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(8px);
}

.ecosystem-hero,
.ecosystem-family,
.ecosystem-visual-section,
.ecosystem-final-cta {
  margin-bottom: 1.35rem;
}

.ecosystem-hero {
  padding: clamp(1.45rem, 3vw, 2.4rem);
}

.ecosystem-hero::after {
  content: "";
  position: absolute;
  inset: -32% -22% auto;
  height: 74%;
  background: radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 28%, transparent), transparent 64%);
  pointer-events: none;
}

.ecosystem-hero h1 {
  margin: 0;
  max-width: 16ch;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: clamp(2.1rem, 4.7vw, 3.75rem);
  line-height: 1.04;
}

.ecosystem-hero p {
  margin: 0.9rem 0 0;
  max-width: 64ch;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.ecosystem-hero-actions {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.ecosystem-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.ecosystem-cta-primary {
  border: 1px solid var(--accent-border);
  background: var(--button-gradient);
  color: #f9fdff;
  box-shadow: var(--button-shadow);
}

.ecosystem-cta-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.ecosystem-cta-secondary {
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--surface-2) 86%, transparent);
  color: var(--text-main);
}

.ecosystem-cta-secondary:hover {
  transform: translateY(-1px);
  border-color: var(--accent-border);
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.ecosystem-card {
  border: 1px solid color-mix(in srgb, var(--panel-border) 76%, var(--accent) 24%);
  border-radius: 18px;
  padding: 1.1rem;
  background: linear-gradient(165deg, color-mix(in srgb, var(--surface-2) 84%, transparent), color-mix(in srgb, var(--surface-3) 88%, transparent));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--panel-border) 30%, transparent);
  animation: card-enter 380ms ease both;
}

.ecosystem-card:nth-child(2) {
  animation-delay: 70ms;
}

.ecosystem-card:nth-child(3) {
  animation-delay: 140ms;
}

.ecosystem-card h2 {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 1.22rem;
}

.ecosystem-card p,
.ecosystem-card li {
  color: var(--text-muted);
  line-height: 1.58;
}

.ecosystem-card ul {
  margin: 0.72rem 0 0;
  padding-left: 1.1rem;
}

.ecosystem-family {
  padding: 1.3rem;
}

.ecosystem-family-header h2 {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.ecosystem-family-grid {
  margin-top: 0.95rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.family-card {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--panel-border) 78%, var(--accent) 22%);
  border-radius: 16px;
  padding: 1rem;
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
}

.family-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 9%, transparent), transparent 62%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.family-card:hover::before {
  opacity: 1;
}

.family-card-active {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--panel-border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 20%, transparent), 0 18px 34px color-mix(in srgb, var(--accent) 16%, transparent);
}

.family-card-status {
  margin: 0;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.family-card h3 {
  margin: 0.48rem 0 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 1.1rem;
}

.family-card p {
  margin: 0.44rem 0 0;
  color: var(--text-muted);
}

.tools-history-link {
  position: relative;
  display: inline-block;
  margin-top: 0.8rem;
}

.history-page {
  display: grid;
  gap: 1rem;
}

.history-header,
.history-panel,
.history-output-card {
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  background: linear-gradient(160deg, var(--surface-1) 0%, var(--surface-2) 100%);
  box-shadow: var(--shadow-1);
}

.history-header,
.history-panel {
  padding: clamp(1rem, 3vw, 1.6rem);
}

.history-header h1,
.history-panel h2,
.history-output-card h2 {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
}

.history-header p,
.history-empty,
.history-summary-preview,
.history-created {
  color: var(--text-muted);
}

.history-header p,
.history-empty {
  margin: 0.5rem 0 0;
}

.history-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.history-list,
.history-output-grid {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.history-summary,
.history-output-card {
  padding: 1rem;
}

.history-summary {
  border: 1px solid color-mix(in srgb, var(--panel-border) 82%, var(--accent) 18%);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
}

.history-summary h2 {
  margin: 0.35rem 0 0;
  font-size: 1.1rem;
}

.history-created {
  margin: 0;
  font-size: 0.84rem;
}

.history-summary-preview {
  margin: 0.45rem 0 0.7rem;
  overflow-wrap: anywhere;
}

.history-original-input,
.history-output-value {
  margin: 0.65rem 0 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.history-output-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.history-error {
  margin: 0;
  color: var(--error);
}

@media (max-width: 720px) {
  .history-output-grid {
    grid-template-columns: 1fr;
  }
}

.ecosystem-visual-section {
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: linear-gradient(170deg, color-mix(in srgb, var(--surface-1) 94%, transparent), color-mix(in srgb, var(--surface-3) 90%, transparent));
  padding: 1.25rem;
  box-shadow: var(--shadow-1);
}

.ecosystem-visual-intro {
  margin: 0.5rem 0 0;
  max-width: 72ch;
  color: var(--text-muted);
}

.ecosystem-visual-frame {
  margin: 1rem 0 0;
  border: 1px solid color-mix(in srgb, var(--panel-border) 74%, var(--accent) 26%);
  border-radius: 18px;
  padding: 0.9rem;
  background: color-mix(in srgb, var(--surface-2) 84%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--panel-border) 32%, transparent);
}

.ecosystem-visual-frame img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--panel-border) 70%, var(--accent) 30%);
}

.ecosystem-visual-frame figcaption {
  margin-top: 0.6rem;
  color: color-mix(in srgb, var(--text-muted) 82%, var(--text-main) 18%);
  font-size: 0.86rem;
}

.ecosystem-visual-fallback {
  display: none;
  margin-top: 0.6rem;
  border: 1px dashed color-mix(in srgb, var(--panel-border) 72%, var(--accent) 28%);
  border-radius: 10px;
  padding: 0.56rem 0.68rem;
  color: color-mix(in srgb, var(--text-muted) 82%, var(--text-main) 18%);
  font-size: 0.8rem;
}

.ecosystem-visual-fallback[hidden] {
  display: none !important;
}

.ecosystem-visual-frame.ecosystem-visual-missing .ecosystem-visual-fallback {
  display: block;
}

.ecosystem-destinations {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: linear-gradient(168deg, color-mix(in srgb, var(--surface-1) 94%, transparent), color-mix(in srgb, var(--surface-3) 90%, transparent));
  box-shadow: var(--shadow-1);
  padding: 1.3rem;
  margin-bottom: 1.35rem;
}

.ecosystem-destinations::after {
  content: "";
  position: absolute;
  inset: -24% auto auto -12%;
  width: 56%;
  height: 62%;
  background: radial-gradient(circle at left top, color-mix(in srgb, var(--accent) 18%, transparent), transparent 68%);
  pointer-events: none;
}

.ecosystem-destinations-intro {
  margin: 0.5rem 0 0;
  max-width: 72ch;
  color: var(--text-muted);
}

.ecosystem-destinations-grid {
  margin-top: 0.95rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 0.85rem;
}

.ecosystem-destination-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 0.45rem;
  min-height: 190px;
  border: 1px solid color-mix(in srgb, var(--panel-border) 76%, var(--accent) 24%);
  border-radius: 16px;
  padding: 0.95rem;
  background: linear-gradient(168deg, color-mix(in srgb, var(--surface-2) 90%, transparent), color-mix(in srgb, var(--surface-3) 85%, transparent));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--panel-border) 34%, transparent);
  color: var(--text-main);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ecosystem-destination-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 56%, var(--panel-border));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--panel-border) 24%, transparent), 0 14px 26px color-mix(in srgb, var(--accent) 12%, transparent);
}

.ecosystem-destination-card:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 72%, #ffffff 28%);
  outline-offset: 2px;
}

.ecosystem-destination-card h3 {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 1.08rem;
}

.ecosystem-destination-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.48;
}

.destination-label {
  margin: 0;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.destination-meta {
  margin-top: auto;
  color: color-mix(in srgb, var(--text-muted) 80%, var(--text-main) 20%);
  font-size: 0.78rem;
  font-weight: 600;
}

.ecosystem-destination-card-placeholder {
  border-style: dashed;
  border-color: color-mix(in srgb, var(--panel-border) 70%, var(--accent) 30%);
}

.ecosystem-destination-card-primary {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--panel-border));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--panel-border) 24%, transparent), 0 0 0 1px color-mix(in srgb, var(--accent) 16%, transparent);
}

.ecosystem-final-cta {
  padding: 1.3rem;
  text-align: center;
}

.ecosystem-final-cta h2 {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
}

.ecosystem-final-cta p {
  margin: 0.54rem auto 0;
  max-width: 58ch;
  color: var(--text-muted);
}

.ecosystem-final-cta .ecosystem-cta {
  margin-top: 0.95rem;
}

@media (max-width: 720px) {
  .app-nav {
    padding: 1rem 0;
  }

  .app-nav .container {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "left toggle"
      "menu menu"
      "center center";
  }

  .app-brand {
    font-size: 1.18rem;
  }

  .theme-toggle {
    padding: 0.58rem 0.85rem;
    font-size: 0.9rem;
  }

  .mobile-nav-toggle {
    grid-area: toggle;
    justify-self: end;
    display: inline-flex;
  }

  .app-nav-right {
    grid-area: menu;
    justify-self: stretch;
    display: none;
    width: 100%;
    min-width: 0;
    padding: 0.85rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.55rem;
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    background: var(--surface-1);
  }

  .app-nav-right.is-open {
    display: flex;
  }

  .app-nav-right .app-nav-link,
  .mobile-nav-home-link {
    display: flex;
    justify-content: center;
    text-align: center;
  }

  .app-nav-auth-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.45rem;
  }

  .app-nav-link-account {
    padding: 0.44rem 0.65rem;
    font-size: 0.78rem;
  }

  .app-nav-right .theme-toggle {
    width: 100%;
  }

  .ecosystem-grid,
  .ecosystem-family-grid,
  .ecosystem-destinations-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .result-card-header {
    flex-direction: column;
  }

  .card-actions {
    margin-left: 0;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .app-nav-center {
    justify-self: center;
  }

  .app-brand {
    font-size: 1.06rem;
  }

  .app-nav-right {
    gap: 0.45rem;
  }

  .app-nav-auth-links {
    gap: 0.35rem;
  }

  .account-hero-panel,
  .account-panel {
    border-radius: 18px;
  }

  .account-hero-panel,
  .account-panel {
    padding: 1rem;
  }

  .account-submit {
    width: 100%;
  }

  .theme-toggle {
    padding: 0.5rem 0.75rem;
    font-size: 0.84rem;
  }

  .pricing-plan-grid {
    grid-template-columns: 1fr;
  }

  .payment-setup-list {
    padding-left: 0.95rem;
  }

  .payment-config-list li {
    flex-direction: column;
    align-items: flex-start;
  }
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes card-glow-fade {
  0% {
    opacity: 0;
    box-shadow:
      0 0 0 0 transparent,
      0 0 0 0 transparent;
  }

  30% {
    opacity: 1;
    box-shadow:
      0 0 0 1px var(--card-glow-border),
      0 0 22px 3px var(--card-glow-soft);
  }

  100% {
    opacity: 0;
    box-shadow:
      0 0 0 0 transparent,
      0 0 0 0 transparent;
  }
}

@media (max-width: 640px) {
  .app-nav .container,
  .app-footer .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .app-nav-actions {
    width: 100%;
    justify-content: space-between;
  }

  .hero-panel,
  .workspace-panel {
    border-radius: 18px;
  }

  .account-hero-panel,
  .account-panel {
    border-radius: 18px;
  }

  .hero-panel {
    padding: 1.4rem;
  }

  .account-hero-panel,
  .account-panel {
    padding: 1rem;
  }

  .workspace-panel {
    padding: 1rem;
  }

  .ecosystem-hero,
  .ecosystem-family,
  .ecosystem-destinations,
  .ecosystem-visual-section,
  .ecosystem-final-cta {
    border-radius: 18px;
  }

  .ecosystem-hero,
  .ecosystem-family,
  .ecosystem-destinations,
  .ecosystem-visual-section,
  .ecosystem-final-cta {
    padding: 1rem;
  }
}