/* Enginuity — workshop sketch theme (red / white / graph paper) */
@import url("spark-ai-brand.css");
@import url("mobile.css");

:root {
  --eng-red: #d81f26;
  --eng-red-deep: #a81418;
  --eng-red-ink: #8f0f14;
  --paper: #f7f3eb;
  --grid-line: rgba(120, 145, 170, 0.28);
  --grid-line-strong: rgba(100, 125, 155, 0.22);
  --ink: #1a1a1a;
  --eng-loader-red: #d81f26;
  --surface-card: #ffffff;
  --surface-muted: #fafafa;
  --surface-border: #e6e6e6;
  --surface-bar: rgba(255, 255, 255, 0.98);
  --surface-sticky: rgba(255, 255, 255, 0.98);
  --text-muted: #555555;
  --mode-tab-bg: rgba(255, 255, 255, 0.94);
}

[data-theme="dark"] {
  --paper: #0c0d10;
  --grid-line: rgba(150, 155, 165, 0.12);
  --grid-line-strong: rgba(150, 155, 165, 0.08);
  --ink: #ececee;
  --surface-card: #1a1d22;
  --surface-muted: #14171c;
  --surface-border: rgba(216, 31, 38, 0.28);
  --surface-bar: rgba(16, 18, 22, 0.98);
  --surface-sticky: rgba(22, 25, 30, 0.98);
  --text-muted: #b0b4bc;
  --mode-tab-bg: #1a1d22;
}

[data-theme="dark"] .mode-node {
  background: var(--mode-tab-bg);
  border-color: var(--eng-red);
  color: var(--eng-red-deep);
  box-shadow:
    3px 4px 0 rgba(0, 0, 0, 0.35),
    inset 0 0 0 1px rgba(216, 31, 38, 0.18);
}

[data-theme="dark"] .mode-node:hover {
  box-shadow: 4px 6px 0 rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .mode-node__label,
[data-theme="dark"] .mode-node__cta {
  color: var(--eng-red);
}

[data-theme="dark"] .mode-node__desc {
  color: var(--eng-red-deep);
}

[data-theme="dark"] .mode-node__plan-badge--usage {
  background: rgba(216, 31, 38, 0.14);
  color: var(--eng-red);
}

[data-theme="dark"] .mode-node__plan-badge--locked {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(216, 31, 38, 0.65);
}

[data-theme="dark"] .mode-node--locked .mode-node__cta {
  color: rgba(216, 31, 38, 0.55);
}

[data-theme="dark"] .guest-cta {
  background: var(--mode-tab-bg);
  border-color: var(--eng-red);
  color: var(--eng-red-deep);
  box-shadow: 3px 4px 0 rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .admin-sidebar {
  background: var(--surface-card);
}

[data-theme="dark"] .admin-nav__btn {
  color: var(--eng-red-deep);
}

[data-theme="dark"] .admin-nav__btn:hover,
[data-theme="dark"] .admin-nav__btn.is-active {
  background: rgba(216, 31, 38, 0.12);
  border-color: rgba(216, 31, 38, 0.45);
  color: var(--eng-red);
}

[data-theme="dark"] .saved-section {
  background: var(--mode-tab-bg);
  border-color: rgba(216, 31, 38, 0.45);
  box-shadow: 3px 4px 0 rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] #savedProjects {
  background: var(--surface-muted);
  border-color: rgba(216, 31, 38, 0.45);
  box-shadow: inset 0 0 0 1px rgba(216, 31, 38, 0.12);
}

[data-theme="dark"] #savedProjects .saved-project-card {
  background: var(--mode-tab-bg);
  border-color: rgba(216, 31, 38, 0.4);
}

[data-theme="dark"] #savedProjects .saved-project-card__title,
[data-theme="dark"] .saved-section > h2,
[data-theme="dark"] .saved-projects__link {
  color: var(--eng-red);
}

[data-theme="dark"] #savedProjects .saved-project-card__desc,
[data-theme="dark"] .saved-projects__hint {
  color: var(--eng-red-deep);
}

[data-theme="dark"] #savedProjects button {
  background: var(--surface-card);
  border-color: var(--eng-red);
  color: var(--eng-red-deep);
}

[data-theme="dark"] #savedProjects button:hover {
  background: rgba(216, 31, 38, 0.12);
}

[data-theme="dark"] body.enginuity-paper .back,
[data-theme="dark"] .btn-signin,
[data-theme="dark"] .onboarding-modal__card,
[data-theme="dark"] .plan-card,
[data-theme="dark"] .signin-card,
[data-theme="dark"] .tutorial-card,
[data-theme="dark"] .eng-contact-modal__panel,
[data-theme="dark"] .beta-feedback-modal__panel,
[data-theme="dark"] .admin-main,
[data-theme="dark"] .admin-toolbar input,
[data-theme="dark"] .admin-toolbar select {
  background: var(--mode-tab-bg);
  border-color: rgba(216, 31, 38, 0.45);
  color: var(--eng-red-deep);
}

[data-theme="dark"] .generator,
[data-theme="dark"] .chat,
[data-theme="dark"] .lite-panel,
[data-theme="dark"] .project,
[data-theme="dark"] .thinking-box,
[data-theme="dark"] .innovator-usage-banner,
[data-theme="dark"] .chat-messages,
[data-theme="dark"] .project-output,
[data-theme="dark"] .project-choice-card,
[data-theme="dark"] .concept-render__slot,
[data-theme="dark"] .spark-helper-fab,
[data-theme="dark"] .spark-helper-panel {
  background: var(--mode-tab-bg);
  border-color: rgba(216, 31, 38, 0.45);
  box-shadow: 3px 4px 0 rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .generator,
[data-theme="dark"] .chat,
[data-theme="dark"] .lite-progress,
[data-theme="dark"] .spark-helper-panel__header,
[data-theme="dark"] .spark-helper-panel__compose,
[data-theme="dark"] #savedProjects,
[data-theme="dark"] .project-output__section--progress,
[data-theme="dark"] .project-output__prose,
[data-theme="dark"] .pre {
  background: var(--surface-muted);
}

[data-theme="dark"] textarea,
[data-theme="dark"] select,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] .spark-helper-panel__input,
[data-theme="dark"] .admin-input,
[data-theme="dark"] .admin-select {
  background: var(--surface-card);
  border-color: rgba(216, 31, 38, 0.4);
  color: var(--eng-red-deep);
}

[data-theme="dark"] .chat-row.assistant .bubble,
[data-theme="dark"] .spark-helper-msg--assistant {
  background: var(--surface-muted);
  color: var(--eng-red-deep);
  border-color: rgba(216, 31, 38, 0.25);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] .lite-title,
[data-theme="dark"] .project-output__title,
[data-theme="dark"] .project-output__label,
[data-theme="dark"] .build-phase__title,
[data-theme="dark"] .concept-render__phase-label {
  color: var(--eng-red);
}

[data-theme="dark"] .subtitle,
[data-theme="dark"] .lite-sub,
[data-theme="dark"] .project-output__text,
[data-theme="dark"] .project-output__muted,
[data-theme="dark"] .thinking-step,
[data-theme="dark"] .lite-status,
[data-theme="dark"] .enginuity-done-bar__hint {
  color: var(--eng-red-deep);
}

[data-theme="dark"] .profile-card,
[data-theme="dark"] .project-output,
[data-theme="dark"] .project-choice-card,
[data-theme="dark"] .profile-saved-item,
[data-theme="dark"] .about-card,
[data-theme="dark"] .admin-card,
[data-theme="dark"] .upgrade-card,
[data-theme="dark"] .contact-card,
[data-theme="dark"] .auth-card,
[data-theme="dark"] .saved-card {
  background: var(--surface-card);
  border-color: rgba(216, 31, 38, 0.35);
  color: var(--ink);
}

[data-theme="dark"] .project-output__section {
  border-top-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .project-output__progress {
  background: #2a2f38;
}

[data-theme="dark"] .enginuity-done-bar__hint,
[data-theme="dark"] .project-output__text,
[data-theme="dark"] .project-output__progress-text {
  color: var(--text-muted);
}

[data-theme="dark"] .project-output__label,
[data-theme="dark"] .profile-card__label {
  color: rgba(236, 236, 238, 0.72);
}

/* ---- Graph paper ---- */
body.enginuity-paper {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    linear-gradient(var(--grid-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-strong) 1px, transparent 1px);
  background-size:
    28px 28px,
    28px 28px,
    7px 7px,
    7px 7px;
  background-position: 0 0, 0 0, 0 0, 0 0;
}

/* ---- Type (typewriter / workshop labels) ---- */
.enginuity-typewriter {
  font-family: "Special Elite", "Courier New", Courier, monospace;
  letter-spacing: 0.04em;
}

/* ---- Full-screen loader ---- */
.enginuity-loader {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  padding: 2rem 1.5rem 3rem;
  background: var(--eng-loader-red);
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.enginuity-loader.is-active {
  display: flex;
}

.enginuity-loader__logo {
  width: clamp(72px, 18vw, 104px);
  height: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 25px 35px;
}

.auth-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

#welcome {
  font-family: "Special Elite", "Courier New", Courier, monospace;
  font-size: 1rem;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--eng-red-ink);
}

.saved-section {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  margin-left: 0.75rem;
  min-width: min(320px, 44vw);
  padding: 0.65rem 0.7rem 0.75rem;
  border: 2px solid rgba(216, 31, 38, 0.35);
  border-radius: 10px 18px 12px 22px / 14px 10px 18px 12px;
  background: var(--mode-tab-bg, rgba(255, 255, 255, 0.72));
  box-shadow: 2px 3px 0 rgba(40, 0, 0, 0.06);
  backdrop-filter: blur(2px);
}

.saved-section > h2 {
  margin: 0;
  font-family: "Special Elite", "Courier New", Courier, monospace;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--eng-red);
}

.saved-section__sub {
  margin: 0.25rem 0 0.5rem;
}

#savedProjects {
  width: 100%;
  max-height: 160px;
  overflow: auto;
  padding: 0.55rem 0.65rem;
  border: 2px solid rgba(216, 31, 38, 0.35);
  border-radius: 10px;
  background: var(--surface-muted, rgba(255, 255, 255, 0.88));
  box-shadow: inset 0 0 0 1px rgba(216, 31, 38, 0.08);
}

.path-layer {
    position: absolute;
    inset: 0;
    z-index: 3; /* behind everything */
    overflow: visible;
    pointer-events: none;
}

.saved-projects__hint {
  margin: 0;
  font-family: "Special Elite", "Courier New", Courier, monospace;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--eng-red-deep);
}

#savedProjects .saved-project-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
  padding: 0.55rem;
  border: 1px solid rgba(216, 31, 38, 0.35);
  border-radius: 10px;
  background: var(--mode-tab-bg, rgba(255, 255, 255, 0.95));
}

#savedProjects .saved-project-card__body {
  min-width: 0;
}

#savedProjects .saved-project-card__desc {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--eng-red-deep);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.saved-projects__link {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: "Special Elite", "Courier New", Courier, monospace;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--eng-red-deep);
  text-decoration: none;
}

.saved-projects__link:hover {
  text-decoration: underline;
}

.saved-projects__link--top {
  margin-bottom: 0.65rem;
}

#savedProjects .saved-project-card:last-child {
  margin-bottom: 0;
}

#savedProjects .saved-project-card__title {
  font-family: "Special Elite", "Courier New", Courier, monospace;
  font-weight: 800;
  color: var(--eng-red);
}

#savedProjects .saved-project-card__actions {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

#savedProjects .saved-project-card__btn--delete {
  border-color: rgba(120, 10, 10, 0.45);
  color: #6b1010;
}

#savedProjects .saved-project-card__btn--delete:hover {
  background: rgba(120, 10, 10, 0.08);
}

#savedProjects button {
  border: 2px solid var(--eng-red);
  background: var(--surface-card, rgba(255, 255, 255, 0.92));
  color: var(--eng-red-deep);
  border-radius: 10px;
  padding: 0.25rem 0.6rem;
  font-family: "Special Elite", "Courier New", Courier, monospace;
  font-weight: 800;
  cursor: pointer;
}

#savedProjects button:hover {
  background: rgba(216, 31, 38, 0.08);
}

.enginuity-loader__tagline {
  margin: 0;
  max-width: 22rem;
  font-family: "Special Elite", "Courier New", Courier, monospace;
  font-size: clamp(1rem, 3.5vw, 1.35rem);
  line-height: 1.45;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
}

.enginuity-loader__bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.enginuity-loader__dots {
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  line-height: 1;
  opacity: 0.95;
  animation: enginuity-dots 1.2s steps(4, end) infinite;
}

@keyframes enginuity-dots {
  0% { opacity: 0.35; }
  100% { opacity: 1; }
}

.enginuity-gear {
  width: 44px;
  height: 44px;
  color: #fff;
  animation: enginuity-spin 1.15s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .enginuity-gear {
    animation: none;
  }

  .enginuity-loader__dots {
    animation: none;
  }
}

/* ---- Inner pages: back link ---- */
body.enginuity-paper .back {
  display: inline-block;
  margin-bottom: 14px;
  padding: 0.35rem 0.75rem;
  border: 2.5px solid var(--eng-red);
  border-radius: 3px 10px 5px 12px / 8px 4px 12px 6px;
  color: var(--eng-red-deep);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.95rem;
  background: var(--mode-tab-bg, rgba(255, 255, 255, 0.85));
  box-shadow: 2px 3px 0 rgba(40, 0, 0, 0.08);
  transform: rotate(-0.4deg);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

body.enginuity-paper .back:hover {
  transform: rotate(0deg) translateY(-1px);
  box-shadow: 3px 4px 0 rgba(40, 0, 0, 0.1);
}

body.enginuity-paper .container {
  position: relative;
  z-index: 1;
}