/* ============================================================================
   Site-wide Dark Theme Styles (zeuldocs.com)
   Extracted from overrides/index.html for maintainability
   ============================================================================ */

/* Import custom fonts from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Text&family=Black+Ops+One&family=Roboto+Mono:wght@400;500&display=swap');

/* ===== GLOBAL STYLES ===== */
/* Static dark theme - override Material's theme-dependent variables */
:root,
[data-md-color-scheme="slate"] {
  color-scheme: dark;

  /* Background colors - static dark */
  --md-default-bg-color: rgba(10, 20, 35, 0.7);
  --md-default-bg-color--light: rgba(10, 20, 35, 0.5);

  /* Foreground/text colors - static light */
  --md-default-fg-color: #ffffff;
  --md-default-fg-color--light: rgba(255, 255, 255, 0.7);
  --md-default-fg-color--lighter: rgba(255, 255, 255, 0.5);
  --md-default-fg-color--lightest: rgba(255, 255, 255, 0.3);

  /* Accent color */
  --md-accent-fg-color: #00ffcc;

  /* Link color */
  --md-typeset-a-color: #ffffff;

  /* Layout dimensions - use px since root font size varies */
  --header-height: 47px;
}

/* Full-screen gradient background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #080e21 0%, #0a1f2b 100%);
  z-index: -1;
}

/* ===== TYPOGRAPHY ===== */
/* Base font styling for main content */
.md-main .md-typeset,
.md-main .md-typeset h1,
.md-main .md-typeset h2,
.md-main .md-typeset h3,
.md-main .md-typeset p {
  color: #ffffff;
  font-family: 'Roboto Mono', monospace;
}

/* Link styling */
.md-main .md-typeset a {
  color: #ffffff;
  font-family: 'Roboto Mono', monospace;
}

.md-main .md-typeset a.link {
  color: var(--color-accent-cyan, #00ffcc);
  text-shadow: 0 0 5px rgba(0, 255, 204, 0.7);
  transition: var(--transition-base, 0.3s ease);
}

.md-main .md-typeset a.link:hover {
  color: var(--color-accent-cyan, #00ffcc);
  text-shadow: 0 0 8px rgba(0, 255, 204, 0.9), 0 0 12px rgba(0, 255, 204, 0.5);
}

/* ===== HEADER & NAVIGATION ===== */
/* Transparent header styling */
.md-header,
.md-header-nav,
.md-tabs {
  background: transparent;
  box-shadow: none;
  color: #ffffff;
  font-family: 'Roboto Mono', monospace;
}

.md-header {
  position: static;
}

.md-main__inner {
  margin-top: 0;
}

/* Tab navigation styling */
.md-tabs {
  width: 100%;
  left: 0;
  transform: none;
  display: flex;
  visibility: visible;
  opacity: 1;
  overflow-x: auto;
  white-space: nowrap;
}

/* Hide header inner content (zeuldocs.com, theme toggle, search bar) on ALL pages at wide widths */
.md-header__inner {
  display: none;
}

/* Show header inner on projects pages at narrow widths so hamburger menu works */
@media screen and (max-width: 60em) {
  .md-header__inner {
    display: flex;
  }

  /* But keep it hidden on homepage - tabs are always visible there */
  .homepage .md-header__inner {
    display: none;
  }
}

/* Hide logo image from header, keep site name as link */
.md-header__button.md-logo img,
.md-header__button.md-logo {
  display: none;
}

/* ===== NAV SIDEBAR TEXT COLORS ===== */
/* Nav colors use CSS variables defined in :root for consistency */
.md-nav__link {
  color: var(--md-default-fg-color--light);
}

.md-nav__link:hover,
.md-nav__link:focus {
  color: var(--md-default-fg-color);
}

/* Active nav link styling */
.md-nav__item--active > .md-nav__link {
  color: var(--md-accent-fg-color);
}

/* Nav section titles */
.md-nav__title {
  color: var(--md-default-fg-color--lighter);
}

/* Tab navigation link colors */
.md-tabs__link {
  color: var(--md-default-fg-color--light);
}

.md-tabs__link--active,
.md-tabs__link:hover {
  color: var(--md-default-fg-color);
}

/* ===== SIDEBAR STABILITY ===== */
/* Disable Material's sidebar transitions and override JS-applied inline styles */
.md-sidebar--primary {
  transition: none !important;
  /* Override Material's JavaScript-applied inline top value */
  top: var(--header-height, 47px) !important;
}

/* Transparent footer navigation to match theme */
.md-footer-nav {
  background: transparent;
}

.md-footer__inner {
  background: transparent;
}

/* Darker copyright footer */
.md-footer-meta {
  background: rgba(0, 0, 0, 0.4);
}

/* ===== HERO SECTION ===== */
.home-hero {
  background: transparent;
  padding-bottom: var(--spacing-sm, 1rem);
  display: flex;
  justify-content: center;
  width: 100%;
}

.home-hero::before {
  display: none;
}

/* Center hero content */
.home-hero__inner {
  text-align: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Hero title styling */
.home-hero__inner h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-family: 'DM Serif Text', serif !important;
  color: var(--color-accent-cyan, #00ffcc);
  text-shadow:
    0 0 7.5px rgba(0, 255, 204, 0.9),
    0 0 15px rgba(0, 255, 204, 0.7),
    0 0 25px rgba(0, 255, 204, 0.5);
  letter-spacing: 3px;
  text-transform: uppercase;
  transform: perspective(500px) rotateX(10deg);
  margin-bottom: var(--spacing-lg, 1.5rem);
  width: 100%;
  display: block;
  white-space: nowrap;
}

/* Hero description styling */
.home-hero__inner p {
  font-size: 1.2rem;
  color: var(--color-text-light, #e0e0e0);
  text-shadow: 0 0 5px rgba(224, 224, 224, 0.5);
}

/* Hero CTA buttons container */
.home-hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm, 1rem);
}

/* Button styling */
.home-hero__cta .btn {
  color: #ffffff;
  font-family: 'Roboto Mono', monospace;
}

/* ===== PROJECTS SECTION ===== */
/* Section spacing and layout */
section {
  padding: var(--spacing-xl, 2rem) var(--spacing-sm, 1rem);
  max-width: 1200px;
  margin: 0 auto;
}

/* Miniaturized PCB grid for homepage thumbnail */
.project .pcb-modules-layout-mini {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 0.2rem;
  height: 160px;
  margin-bottom: 0;
  align-content: center;
  background: rgba(20, 30, 40, 0.5);
  border-radius: 0.5rem;
  padding: 0.5rem;
}

.project .pcb-modules-layout-mini .image-grid-item,
.project .pcb-modules-layout-mini .backplate-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.project .pcb-modules-layout-mini .backplate-item {
  grid-column: 4;
  grid-row: 1 / 3;
}

.project .pcb-modules-layout-mini img {
  width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm, 0.25rem);
}

.project .pcb-modules-layout-mini .backplate-item img {
  max-height: 150px;
}

/* Video section */
.video-section {
  text-align: center;
  margin-bottom: var(--spacing-2xl, 3rem);
  padding-top: var(--spacing-sm, 1rem);
  margin-top: 0;
}

.video-section video {
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius-md, 0.5rem);
}

/* Projects grid layout */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Project card styling */
.project {
  background: transparent;
  padding: 0.25rem;
  text-align: center;
  transition: transform var(--transition-base, 0.3s ease), opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  min-width: 0;
  opacity: 0.85;
}

.project:hover {
  opacity: 1;
}

.project p {
  text-align: center;
  margin-top: 0.4rem !important;
  margin-bottom: 0 !important;
  font-size: 0.75rem;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  overflow: hidden;
}

.project img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 0.5rem;
  margin-bottom: 0;
}

.project h3 {
  display: none;
}

/* Clickable project cards */
a.project {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

/* Neon horizontal rule - homepage only */
.homepage hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-cyan, #00ffcc), transparent);
  box-shadow: 0 0 8px rgba(0, 255, 204, 0.8);
  width: 100%;
  display: block;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  animation: laser-in 1.5s ease-out forwards;
}

/* Laser animation keyframes */
@keyframes laser-in {
  0% {
    width: 0;
    opacity: 0;
    background: linear-gradient(90deg, #00ffcc, #00ffcc);
    box-shadow: 0 0 20px rgba(0, 255, 204, 1);
  }
  50% {
    width: 100%;
    opacity: 1;
    background: linear-gradient(90deg, #00ffcc, #00ffcc);
    box-shadow: 0 0 20px rgba(0, 255, 204, 1), 0 0 40px rgba(0, 255, 204, 0.8);
  }
  100% {
    width: 100%;
    background: linear-gradient(90deg, transparent, #00ffcc, transparent);
    box-shadow: 0 0 8px rgba(0, 255, 204, 0.8);
  }
}

/* Footer action buttons */
.footer-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg, 1.5rem);
  margin: var(--spacing-xl, 2rem) auto var(--spacing-2xl, 3rem);
  padding: 0 var(--spacing-sm, 1rem);
  max-width: 1200px;
}

/* ===== ANIMATIONS ===== */
/* Scroll reveal animation */
.slide-in-bottom {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hide auto-generated elements - homepage only */
.homepage .md-main .md-typeset > h1,
.homepage .md-main .md-typeset > .md-meta {
  display: none;
}

/* ===== ABOUT SECTION ===== */
.about-section {
  padding: var(--spacing-sm, 1rem) var(--spacing-sm, 1rem) var(--spacing-xl, 2rem);
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.portrait-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin: var(--spacing-lg, 1.5rem) auto;
  display: block;
  border: 3px solid rgba(0, 255, 204, 0.3);
  box-shadow: 0 0 20px rgba(0, 255, 204, 0.3);
}

.explore-more-container {
  text-align: center;
  margin: var(--spacing-sm, 1rem) 0;
}

/* ===== RESPONSIVE STYLES ===== */
/* Tablet breakpoint - 2 columns */
@media (max-width: 1024px) {
  .projects {
    grid-template-columns: repeat(2, 1fr);
  }

  .project .pcb-modules-layout-mini {
    grid-template-rows: 80px 80px;
    height: 170px;
    align-content: stretch;
    overflow: hidden;
  }

  .project .pcb-modules-layout-mini .image-grid-item {
    overflow: hidden;
    max-height: 80px;
  }

  .project .pcb-modules-layout-mini .image-grid-item img {
    max-height: 80px;
  }

  .project .pcb-modules-layout-mini .backplate-item {
    max-height: 160px;
  }

  .project .pcb-modules-layout-mini .backplate-item img {
    max-height: 160px;
  }
}

/* Keep sidebar visible at narrower widths (down to 960px instead of 1219px) */
@media screen and (min-width: 60em) and (max-width: 76.234375em) {
  /* Override Material's sidebar hiding - keep it visible (but not on homepage) */
  .md-sidebar--primary {
    display: block !important;
    left: 0 !important;
    transform: none !important;
    width: 12.1rem;
    position: sticky;
    top: var(--header-height, 47px);
    height: calc(100vh - var(--header-height, 47px));
    background: transparent !important;
    backdrop-filter: none !important;
    border-radius: 0 !important;
  }

  /* Hide sidebar on homepage - it has no navigation content */
  .homepage .md-sidebar--primary {
    display: none !important;
  }

  /* Hide the drawer toggle checkbox label (hamburger) */
  label[for="__drawer"] {
    display: none !important;
  }

  /* Ensure the grid layout accommodates the sidebar */
  .md-container {
    display: flex;
  }

  .md-main {
    display: flex;
  }

  /* Hide the drawer-specific content */
  .md-nav--primary > .md-nav__title,
  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav__link,
  .md-sidebar--primary .md-source {
    display: none !important;
  }

  /* Hide the top-level Home/Projects links that appear in drawer mode */
  .md-nav--primary > .md-nav__list > .md-nav__item:not(.md-nav__item--nested) {
    display: none !important;
  }

  /* Show the nested navigation content directly */
  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav {
    display: block !important;
    opacity: 1 !important;
    overflow: visible !important;
    max-height: none !important;
  }

  /* Hide the "Projects" section header to match wider widths */
  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav > .md-nav__title {
    display: none !important;
  }

  /* Remove indentation from nested nav list */
  .md-nav--primary > .md-nav__list > .md-nav__item--nested > .md-nav > .md-nav__list {
    margin-left: 0 !important;
  }

  /* Hide the source link container that creates a line */
  .md-nav--primary > .md-nav__source {
    display: none !important;
  }

  /* Hide the overlay */
  .md-overlay {
    display: none !important;
  }
}

/* Hide tabs when hamburger appears - at narrower breakpoint now (960px) */
@media screen and (max-width: 60em) {
  /* Hide tabs on non-homepage when hamburger menu is visible */
  .md-tabs {
    display: none;
  }

  /* But keep tabs visible on homepage */
  .homepage .md-tabs {
    display: flex;
  }
}

/* Mobile breakpoint */
@media (max-width: 768px) {
  .md-tabs__list {
    display: flex;
    visibility: visible;
    opacity: 1;
  }

  .home-hero__inner h1 {
    font-size: clamp(2rem, 10vw, 3rem);
    letter-spacing: 0.5px;
    white-space: nowrap;
    padding: 0;
    margin: var(--spacing-sm, 1rem) 0 var(--spacing-lg, 1.5rem) 0;
    width: 100%;
    text-align: center;
  }

  .home-hero__inner {
    padding: 0;
    margin: 0 auto;
  }

  .home-hero__inner p {
    font-size: 0.9rem;
    padding: 0 var(--spacing-sm, 1rem);
    margin-bottom: var(--spacing-xs, 0.5rem);
  }

  .homepage hr {
    margin: var(--spacing-xs, 0.5rem) 0 var(--spacing-sm, 1rem) 0;
  }

  section.projects {
    padding-top: 0;
  }

  .home-hero {
    padding-bottom: 0;
  }

  section {
    padding: var(--spacing-sm, 1rem) var(--spacing-xs, 0.5rem);
  }

  .home-hero__cta {
    gap: var(--spacing-xs, 0.5rem);
    padding: 0 var(--spacing-sm, 1rem);
  }

  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }

  .projects {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg, 1.5rem);
    padding: 0 var(--spacing-xs, 0.5rem);
  }

  .project {
    padding: var(--spacing-sm, 1rem);
  }

  .project h3 {
    font-size: 1.5rem;
    white-space: normal;
  }

  .project p {
    font-size: 0.9rem;
    text-align: left;
  }

  /* Make PCB modules grid mobile-friendly - keep same layout as desktop */
  .project .pcb-modules-layout-mini {
    grid-template-columns: repeat(3, 1fr) 1fr;
    grid-template-rows: 85px 85px;
    gap: 0.25rem;
    height: 180px;
    overflow: hidden;
  }

  .project .pcb-modules-layout-mini .image-grid-item {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    max-height: 85px;
  }

  .project .pcb-modules-layout-mini .image-grid-item img {
    max-width: 100%;
    max-height: 85px;
    width: auto;
    height: auto;
    object-fit: contain;
  }

  .project .pcb-modules-layout-mini .backplate-item {
    grid-column: 4;
    grid-row: 1 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    max-height: 170px;
  }

  .project .pcb-modules-layout-mini .backplate-item img {
    max-width: 100%;
    max-height: 170px;
    width: auto;
    height: auto;
    object-fit: contain;
  }

  /* Footer actions */
  .footer-actions {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm, 1rem);
    padding: 0 var(--spacing-sm, 1rem);
  }

  .footer-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  /* About section image */
  .portrait-image {
    width: 150px;
    height: 150px;
  }

  /* Video section */
  .video-section {
    padding: 0 var(--spacing-xs, 0.5rem);
  }

  .video-section video {
    max-width: 100%;
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  .home-hero__inner h1 {
    font-size: clamp(1.75rem, 12vw, 2.5rem);
    transform: perspective(500px) rotateX(5deg);
  }

  .project {
    padding: 0.75rem;
  }

  .project img {
    height: 200px;
  }

  .project .pcb-modules-layout-mini {
    grid-template-rows: 65px 65px;
    height: 140px;
    overflow: hidden;
  }

  .project .pcb-modules-layout-mini .image-grid-item {
    max-height: 65px;
  }

  .project .pcb-modules-layout-mini .image-grid-item img {
    max-height: 65px;
  }

  .project .pcb-modules-layout-mini .backplate-item {
    max-height: 130px;
  }

  .project .pcb-modules-layout-mini .backplate-item img {
    max-height: 130px;
  }
}