:root {
  color-scheme: light;
  --on-accent: #fff;
  --on-accent-border: rgba(255, 255, 255, 0.2);
  --on-accent-surface: rgba(255, 255, 255, 0.18);
  --on-accent-border-hover: rgba(255, 255, 255, 0.8);
  --focus-ring: color-mix(in srgb, var(--accent) 72%, transparent);
  --focus-ring-shadow: color-mix(in srgb, var(--accent) 18%, transparent);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1019;
  --surface: #111927;
  --surface-alt: #182438;
  --surface-raised: #172235;
  --border: rgba(190, 207, 238, 0.14);
  --border-strong: rgba(190, 207, 238, 0.27);
  --text: #edf3ff;
  --text-muted: #acb8cc;
  --text-faint: #7f8da7;
  --accent: #7592ff;
  --accent-strong: #a6b7ff;
  --accent-2: #8c7dff;
  --accent-tint: rgba(117, 146, 255, 0.14);
  --accent-tint-strong: rgba(117, 146, 255, 0.24);
  --accent-glow: rgba(117, 146, 255, 0.22);
  --accent-glow-strong: rgba(117, 146, 255, 0.4);
  --success: #7592ff;
  --success-shadow: rgba(117, 146, 255, 0.2);
  --success-shadow-faint: rgba(117, 146, 255, 0.08);
  --gradient: linear-gradient(135deg, #7592ff 0%, #8c7dff 100%);
  --gradient-hero: linear-gradient(120deg, #a6b7ff 0%, #7592ff 100%);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.26);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.24), 0 14px 32px rgba(0, 0, 0, 0.24);
  --shadow-lg: 0 2px 5px rgba(0, 0, 0, 0.3), 0 24px 52px rgba(0, 0, 0, 0.34);
  --shadow-cta: 0 12px 28px rgba(80, 93, 210, 0.34);
}

body,
.hero-title-frame {
  transition-property: border-color, color;
  transition-duration: 0.35s;
  transition-timing-function: var(--ease);
}

.navbar-theme-toggle {
  transition-property: border-color, color, transform;
  transition-duration: 0.35s;
  transition-timing-function: var(--ease);
}

.navbar-social {
  transition-property: background-color, background, border-color, box-shadow, color, transform;
}

html.is-theme-switching body,
html.is-theme-switching .navbar,
html.is-theme-switching .hero-title-frame,
html.is-theme-switching .project-row-case,
html.is-theme-switching .projects-modal-panel,
html.is-theme-switching .contact-link {
  transition: none !important;
}

:root[data-theme="dark"] .hero,
:root[data-theme="dark"] .navbar,
:root[data-theme="dark"] .about,
:root[data-theme="dark"] .contact,
:root[data-theme="dark"] .skills {
  --accent: #7592ff;
  --accent-strong: #a6b7ff;
  --accent-2: #8c7dff;
  --accent-tint: rgba(117, 146, 255, 0.14);
  --accent-tint-strong: rgba(117, 146, 255, 0.24);
  --accent-glow: rgba(117, 146, 255, 0.22);
  --accent-glow-strong: rgba(117, 146, 255, 0.4);
  --success: #7592ff;
  --success-shadow: rgba(117, 146, 255, 0.2);
  --success-shadow-faint: rgba(117, 146, 255, 0.08);
  --gradient: linear-gradient(135deg, #7592ff 0%, #8c7dff 100%);
  --gradient-hero: linear-gradient(120deg, #a6b7ff 0%, #7592ff 100%);
  --shadow-cta: 0 12px 28px rgba(80, 93, 210, 0.34);
}

:root[data-theme="dark"] .navbar {
  background: rgba(11, 16, 25, 0.78);
  border-bottom-color: rgba(190, 207, 238, 0.14);
}

:root[data-theme="dark"] .navbar.is-scrolled {
  background: rgba(11, 16, 25, 0.94);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

:root[data-theme="dark"] .navbar-nav {
  background: rgba(23, 34, 53, 0.72);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.2);
}

:root[data-theme="dark"] .navbar-link.is-active {
  background: rgba(38, 52, 78, 0.82);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.22);
}

:root[data-theme="dark"] .navbar-socials {
  background: rgba(23, 34, 53, 0.72);
}

:root[data-theme="dark"] .navbar-social {
  background: transparent;
}

:root[data-theme="dark"] .navbar-theme-toggle[data-mode="dark"] .theme-toggle-track {
  background: color-mix(in srgb, var(--surface-raised) 84%, var(--accent-tint));
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

:root[data-theme="dark"] .hero-title-frame {
  background: linear-gradient(160deg, rgba(117, 146, 255, 0.12) 0%, rgba(23, 34, 53, 0.84) 42%, rgba(117, 146, 255, 0.05) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), var(--shadow-md);
}

:root[data-theme="dark"] .hero-accent::before,
:root[data-theme="dark"] .contact-sign-accent::before {
  background: rgba(117, 146, 255, 0.12);
}

:root[data-theme="dark"] .hero-accent::after,
:root[data-theme="dark"] .contact-sign-accent::after {
  box-shadow:
    0 0 6px 1px rgba(117, 146, 255, 0.1),
    0 2px 8px rgba(117, 146, 255, 0.32),
    0 4px 16px rgba(117, 146, 255, 0.16);
}

:root[data-theme="dark"] .hero-brand-name {
  text-shadow:
    0 0 6px var(--accent-glow),
    0 0 14px rgba(117, 146, 255, 0.12);
}

:root[data-theme="dark"] .hero-brand-name::before {
  -webkit-text-stroke-color: rgba(117, 146, 255, 0.55);
  text-shadow: 0 0 8px rgba(117, 146, 255, 0.24);
}

:root[data-theme="dark"] .hero-brand-name::after {
  -webkit-text-stroke-color: rgba(166, 183, 255, 0.55);
  text-shadow: 0 0 8px rgba(166, 183, 255, 0.24);
}

:root[data-theme="dark"] .hero .hero-cta:hover,
:root[data-theme="dark"] .hero .hero-cta:focus-visible,
:root[data-theme="dark"] .contact .contact-cta:hover,
:root[data-theme="dark"] .contact .contact-cta:focus-visible {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 16px 34px var(--accent-glow-strong);
}

:root[data-theme="dark"] .skills::before {
  background-image: radial-gradient(circle at 1px 1px, rgba(117, 146, 255, 0.12) 1px, transparent 0);
}

:root[data-theme="dark"] .skills::after {
  background: radial-gradient(circle, rgba(117, 146, 255, 0.14), transparent 68%);
}

:root[data-theme="dark"] .iran-time {
  background: linear-gradient(145deg, rgba(27, 39, 59, 0.96), rgba(17, 25, 39, 0.9)), var(--surface);
  box-shadow: var(--shadow-md);
}

:root[data-theme="dark"] .projects-modal .projects-filter,
:root[data-theme="dark"] .projects-modal-bar {
  background: var(--surface-raised);
}

:root[data-theme="dark"] .projects .section-eyebrow,
:root[data-theme="dark"] .projects .projects-accent,
:root[data-theme="dark"] .projects .projects-empty-mark,
:root[data-theme="dark"] .projects .projects-empty-category {
  --accent: #7592ff;
  --accent-strong: #a6b7ff;
}

:root[data-theme="dark"] .project-row--cafe {
  --row-accent-strong: #e2ae7b;
}

:root[data-theme="dark"] .project-row--profile {
  --row-accent-strong: #9bc7ff;
}

:root[data-theme="dark"] .project-row--tech {
  --row-accent-strong: #c4a6ff;
}

:root[data-theme="dark"] .projects-empty,

:root[data-theme="dark"] .project-row-case {
  background: linear-gradient(180deg, var(--surface-raised) 0%, var(--surface) 100%);
}

:root[data-theme="dark"] .projects-modal-backdrop {
  background: rgba(2, 5, 10, 0.72);
}

:root[data-theme="dark"] .projects-modal-panel {
  box-shadow: var(--shadow-lg), 0 30px 80px rgba(0, 0, 0, 0.42);
}

:root[data-theme="dark"] .projects-modal-body::-webkit-scrollbar-thumb {
  background: linear-gradient(
    135deg,
    var(--modal-sb-from, rgba(117, 146, 255, 0.45)),
    var(--modal-sb-to, rgba(140, 125, 255, 0.45))
  );
  background-clip: padding-box;
}

:root[data-theme="dark"] .projects-modal-body::-webkit-scrollbar-thumb:hover,
:root[data-theme="dark"] .projects-modal-body::-webkit-scrollbar-thumb:active {
  background: linear-gradient(
    135deg,
    var(--modal-sb-from-hover, var(--modal-sb-from, #7592ff)),
    var(--modal-sb-to-hover, var(--modal-sb-to, #8c7dff))
  );
  background-clip: padding-box;
}

:root[data-theme="dark"] .about-profile {
  --profile-surface: var(--surface-raised);
  --profile-surface-alt: var(--surface-alt);
  --profile-text: var(--text);
  --profile-text-muted: var(--text-muted);
  --profile-text-faint: var(--text-faint);
  --profile-accent: var(--accent-strong);
  --profile-border: var(--border);
  --profile-border-strong: var(--border-strong);
  background:
    linear-gradient(145deg, var(--profile-surface-alt), var(--profile-surface)),
    var(--surface);
  border-color: var(--profile-border-strong);
}

:root[data-theme="dark"] .about-profile-title {
  color: var(--profile-text);
}

:root[data-theme="dark"] .about-profile-kicker {
  color: var(--profile-accent);
}

:root[data-theme="dark"] .about-profile-bar {
  border-color: var(--profile-border);
}

:root[data-theme="dark"] .about-profile-bar-state {
  color: var(--profile-text-faint);
}

:root[data-theme="dark"] .craft-card {
  background: var(--surface-raised);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.38);
}

:root[data-theme="dark"] .craft-line {
  background: #8290a8;
}

:root[data-theme="dark"] .section-title.is-glitching::before {
  color: rgba(117, 146, 255, 0.7);
}

:root[data-theme="dark"] .section-title.is-glitching::after {
  color: rgba(166, 183, 255, 0.7);
}

:root[data-theme="dark"] .skills-toolkit-item {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--card-accent) 15%, var(--surface)) 0%, var(--surface) 62%),
    var(--surface);
}

:root[data-theme="dark"] .skills-toolkit-item:hover {
  background-image:
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(var(--card-accent), var(--card-accent)),
    linear-gradient(180deg, color-mix(in srgb, var(--card-accent) 18%, var(--surface)) 0%, var(--surface) 62%);
  background-size:
    2px 16px, 16px 2px,
    2px 16px, 16px 2px,
    2px 16px, 16px 2px,
    2px 16px, 16px 2px,
    auto;
  background-position:
    left 0 top 0, left 0 top 0,
    right 0 top 0, right 0 top 0,
    left 0 bottom 0, left 0 bottom 0,
    right 0 bottom 0, right 0 bottom 0,
    left top;
  background-repeat: no-repeat;
  box-shadow:
    0 0 6px 1px color-mix(in srgb, var(--card-accent) 38%, transparent),
    0 12px 30px rgba(0, 0, 0, 0.35);
}

:root[data-theme="dark"] .skills-toolkit-points li {
  background: color-mix(in srgb, var(--card-accent) 12%, var(--surface-raised));
}

:root[data-theme="dark"] .skills-toolkit-watermark {
  opacity: 0.22;
}

:root[data-theme="dark"] .skills-toolkit-item:hover .skills-toolkit-watermark {
  opacity: 0.32;
}

:root[data-theme="dark"] .skills-toolkit-ghost {
  color: color-mix(in srgb, var(--card-accent) 30%, transparent);
}

:root[data-theme="dark"] .skills-toolkit-item:hover .skills-toolkit-ghost {
  color: color-mix(in srgb, var(--card-accent) 46%, transparent);
}

:root[data-theme="dark"] .skills-toolkit-category {
  background: transparent;
}

/* Keep contact link chips on their light-mode palette in dark mode.
   (Telegram / Instagram label colors are already fixed via first/last-child rules.) */
:root[data-theme="dark"] .contact-link-username,
:root[data-theme="dark"] .contact-link-text {
  background: color-mix(in srgb, #ffffff 90%, transparent);
  color: #181b26;
}