/* SPDX-License-Identifier: MIT */
/* Copyright (c) 2025-2026 Robworks Software LLC */

/* ================================
   Hero Section
   ================================ */
.tx-container {
  padding: 3.5rem 0 3rem;
  background: linear-gradient(135deg, #00796b, #004d40);
}

[data-md-color-scheme="slate"] .tx-container {
  background: linear-gradient(135deg, #263238, #37474f);
}

.tx-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.tx-hero-logo {
  width: 520px;
  max-width: 90%;
  height: auto;
  margin-bottom: 1rem;
}

.tx-hero h1 {
  margin-bottom: 0.5rem;
  color: white;
  font-weight: 700;
  font-size: 2.8rem;
  letter-spacing: -0.02em;
}

.tx-hero > p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.tx-hero .md-button {
  margin: 0.25rem 0.5rem;
  color: white;
  border-color: rgba(255, 255, 255, 0.7);
}

.tx-hero .md-button--primary {
  background-color: #ffb300;
  border-color: #ffb300;
  color: #1a1a1a;
  font-weight: 600;
}

.tx-hero .md-button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  transition: all 0.15s ease;
}

/* ================================
   Hero Terminal Animation
   ================================ */
.tx-hero-terminal {
  width: 100%;
  max-width: 420px;
  margin-bottom: 2rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.tx-hero-terminal__bar {
  background: #1e1e1e;
  padding: 0.5rem 0.75rem;
  display: flex;
  gap: 6px;
}

.tx-hero-terminal__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tx-hero-terminal__bar span:nth-child(1) { background: #ff5f56; }
.tx-hero-terminal__bar span:nth-child(2) { background: #ffbd2e; }
.tx-hero-terminal__bar span:nth-child(3) { background: #27c93f; }

.tx-hero-terminal__body {
  background: #0d1117;
  padding: 1rem 1.25rem;
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo", monospace;
  font-size: 0.95rem;
  color: #e6edf3;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
}

.tx-hero-terminal__prompt {
  color: #7ee787;
  margin-right: 0.6rem;
  font-weight: 600;
  user-select: none;
}

.tx-hero-terminal__text {
  color: #e6edf3;
}

.tx-hero-terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 1.15em;
  background: #e6edf3;
  margin-left: 1px;
  animation: cursor-blink 1s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ================================
   Stats Row
   ================================ */
.tx-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.tx-stat {
  text-align: center;
}

.tx-stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--md-primary-fg-color);
  line-height: 1.2;
}

.tx-stat span {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ================================
   Section Subtitles
   ================================ */
.tx-section-subtitle {
  color: var(--md-default-fg-color--light);
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
}

/* ================================
   Feature Highlights
   ================================ */
.tx-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.tx-feature {
  text-align: center;
  padding: 1.5rem 1rem;
}

.tx-feature__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.75rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
  color: var(--md-primary-fg-color);
}

.tx-feature__icon svg {
  width: 24px;
  height: 24px;
}

.tx-feature strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

.tx-feature span {
  font-size: 0.82rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.4;
}

/* ================================
   Featured Guide
   ================================ */
.tx-featured {
  position: relative;
  border: 2px solid var(--md-accent-fg-color);
  border-radius: 8px;
  padding: 2rem 2rem 1.5rem;
  margin-bottom: 3rem;
  background: color-mix(in srgb, var(--md-accent-fg-color) 4%, var(--md-default-bg-color));
}

.tx-featured__badge {
  position: absolute;
  top: -0.75rem;
  left: 1.5rem;
  background: var(--md-accent-fg-color);
  color: #1a1a1a;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.75rem;
  border-radius: 4px;
}

.tx-featured__content h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.tx-featured__content h3 a {
  color: var(--md-default-fg-color);
  text-decoration: none;
}

.tx-featured__content h3 a:hover {
  color: var(--md-accent-fg-color);
}

.tx-featured__content p {
  color: var(--md-default-fg-color--light);
  margin-bottom: 1rem;
}

.tx-featured__cta {
  font-size: 0.85rem;
}

/* ================================
   Topic Cards
   ================================ */
.tx-topics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.tx-topics a {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-left: 4px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  text-decoration: none;
  color: var(--md-default-fg-color);
  transition: all 0.15s ease;
}

.tx-topics a:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.tx-topic__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.tx-topic__icon svg {
  width: 20px;
  height: 20px;
}

.tx-topic__text strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.tx-topic__text span {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
}

/* Topic accent colors */
.tx-topic--linux { border-left-color: #009688; }
.tx-topic--linux:hover { border-color: #009688; }
.tx-topic--linux .tx-topic__icon {
  background: color-mix(in srgb, #009688 15%, transparent);
  color: #009688;
}

.tx-topic--dns { border-left-color: #1976D2; }
.tx-topic--dns:hover { border-color: #1976D2; }
.tx-topic--dns .tx-topic__icon {
  background: color-mix(in srgb, #1976D2 15%, transparent);
  color: #1976D2;
}

.tx-topic--git { border-left-color: #F4511E; }
.tx-topic--git:hover { border-color: #F4511E; }
.tx-topic--git .tx-topic__icon {
  background: color-mix(in srgb, #F4511E 15%, transparent);
  color: #F4511E;
}

.tx-topic--databases { border-left-color: #7B1FA2; }
.tx-topic--databases:hover { border-color: #7B1FA2; }
.tx-topic--databases .tx-topic__icon {
  background: color-mix(in srgb, #7B1FA2 15%, transparent);
  color: #7B1FA2;
}

.tx-topic--perl { border-left-color: #F57F17; }
.tx-topic--perl:hover { border-color: #F57F17; }
.tx-topic--perl .tx-topic__icon {
  background: color-mix(in srgb, #F57F17 15%, transparent);
  color: #F57F17;
}

/* ================================
   Community Cards
   ================================ */
.tx-community {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 3rem;
}

.tx-community-card {
  text-align: center;
  padding: 1.5rem 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  text-decoration: none;
  color: var(--md-default-fg-color);
  transition: all 0.15s ease;
}

.tx-community-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
  border-color: var(--md-primary-fg-color);
}

.tx-community-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.75rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
  color: var(--md-primary-fg-color);
}

.tx-community-card__icon svg {
  width: 24px;
  height: 24px;
}

.tx-community-card strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

.tx-community-card span {
  font-size: 0.82rem;
  color: var(--md-default-fg-color--light);
  line-height: 1.4;
}

/* ================================
   Left Sidebar - Collapsed by Default
   ================================ */

/* Show hamburger toggle on desktop (Material hides it above 76.25em) */
@media screen and (min-width: 76.25em) {
  label[for="__drawer"] {
    display: inline-block !important;
    cursor: pointer;
  }

  /* Hide left sidebar by default on desktop */
  .md-sidebar--primary {
    transform: translateX(-100%);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 3;
    height: 100vh;
    background: var(--md-default-bg-color);
    box-shadow: none;
    padding-top: 3rem;
  }

  /* Show left sidebar when drawer is checked */
  [data-md-toggle="drawer"]:checked ~ .md-container .md-sidebar--primary {
    transform: translateX(0);
    opacity: 1;
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.15);
  }
}

/* ================================
   Photo Frames
   ================================ */
.md-content figure.photo-frame {
  margin: 0;
  padding: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--md-default-bg-color);
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid color-mix(in srgb, var(--md-default-fg-color) 8%, transparent);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.md-content figure.photo-frame:hover {
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.12),
    0 12px 32px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.md-content figure.photo-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.md-content figure.photo-frame figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--md-default-fg-color--light);
  text-align: center;
  border-top: 1px solid color-mix(in srgb, var(--md-default-fg-color) 6%, transparent);
  background: color-mix(in srgb, var(--md-default-fg-color) 3%, var(--md-default-bg-color));
}

.md-content figure.photo-frame figcaption .photo-credit {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  opacity: 0.7;
}

.md-content figure.photo-frame figcaption .photo-credit a {
  color: var(--md-default-fg-color--light);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--md-default-fg-color) 20%, transparent);
  text-underline-offset: 2px;
}

.md-content figure.photo-frame figcaption .photo-credit a:hover {
  color: var(--md-accent-fg-color);
  text-decoration-color: var(--md-accent-fg-color);
}

/* Float variants */
.md-content figure.photo-frame.photo-right {
  float: right;
  margin: 0.25rem 0 1rem 1.5rem;
}

.md-content figure.photo-frame.photo-left {
  float: left;
  margin: 0.25rem 1.5rem 1rem 0;
}

/* Responsive: stack on small screens */
@media (max-width: 600px) {
  .md-content figure.photo-frame.photo-right,
  .md-content figure.photo-frame.photo-left {
    float: none;
    margin: 1rem auto;
    max-width: 100%;
  }
}

/* ================================
   Mermaid & Diagrams
   ================================ */
.mermaid {
  text-align: center;
  margin: 1.5rem 0;
}

.diagram-container {
  text-align: center;
  margin: 1.5rem 0;
}

.diagram-container img {
  max-width: 100%;
  height: auto;
}

/* ================================
   Responsive
   ================================ */
@media (max-width: 600px) {
  .tx-hero h1 {
    font-size: 2rem;
  }

  .tx-stats {
    gap: 1.5rem;
  }

  .tx-stat strong {
    font-size: 1.5rem;
  }

  .tx-featured {
    padding: 1.5rem 1.25rem 1.25rem;
  }

  .tx-topics a {
    flex-direction: column;
    gap: 0.5rem;
  }

  .tx-community {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
  }
}