/* =========================================================
   Portfolio Redesign 2026
   Professional product-style UI layer for public + admin.
   Keeps the existing HTML/API behavior intact.
   ========================================================= */

:root {
  --rd-bg: #080a0f;
  --rd-surface: rgba(14, 18, 28, 0.86);
  --rd-surface-2: rgba(20, 25, 37, 0.9);
  --rd-border: rgba(148, 163, 184, 0.18);
  --rd-border-strong: rgba(94, 234, 212, 0.28);
  --rd-text: #f8fafc;
  --rd-muted: #94a3b8;
  --rd-soft: #cbd5e1;
  --rd-cyan: #22d3ee;
  --rd-green: #34d399;
  --rd-rose: #fb7185;
  --rd-amber: #fbbf24;
  --rd-violet: #a78bfa;
  --rd-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  --rd-radius: 8px;
}

[data-theme="light"] {
  --rd-bg: #f7f9fc;
  --rd-surface: rgba(255, 255, 255, 0.92);
  --rd-surface-2: rgba(248, 250, 252, 0.96);
  --rd-border: rgba(15, 23, 42, 0.12);
  --rd-border-strong: rgba(8, 145, 178, 0.28);
  --rd-text: #0f172a;
  --rd-muted: #64748b;
  --rd-soft: #334155;
  --rd-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--rd-text);
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.06), transparent 420px),
    linear-gradient(120deg, rgba(52, 211, 153, 0.06), transparent 520px),
    var(--rd-bg) !important;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 78%);
}

a {
  color: inherit;
}

.container {
  max-width: 1180px !important;
}

.floating-nav,
.topbar,
.sidebar,
.glass-panel,
.blog-card,
.app-item,
.mini-app-item,
.comment-form-wrap,
.comment-item-card,
.ab-card,
.skill-card,
.tl-card,
.content-card,
.modal-container,
.profile-card,
.settings-layout .content-card {
  border-radius: var(--rd-radius) !important;
  border: 1px solid var(--rd-border) !important;
  background: var(--rd-surface) !important;
  box-shadow: var(--rd-shadow) !important;
  backdrop-filter: blur(18px);
}

.floating-nav {
  width: auto !important;
  max-width: min(980px, calc(100vw - 28px)) !important;
  min-height: 58px;
  padding: 8px !important;
  gap: 6px !important;
}

.nav-divider-compact {
  width: 1px !important;
  flex: 0 0 1px !important;
  height: 24px !important;
  opacity: 0.45 !important;
}

.nav-cv-link svg {
  width: 18px;
  height: 18px;
}

.nav-logo,
.theme-btn,
.topbar-btn,
.sidebar-collapse-btn,
.mobile-menu-btn,
.btn,
.cta-btn,
.filter-btn,
.sam-btn,
.modal-close,
.back-to-top {
  border-radius: var(--rd-radius) !important;
}

.nav-item {
  border-radius: var(--rd-radius) !important;
  color: var(--rd-muted) !important;
}

.nav-item:hover,
.nav-item.active {
  color: var(--rd-text) !important;
  background: rgba(34, 211, 238, 0.12) !important;
}

.page-header {
  margin-bottom: 2rem !important;
}

.page-title,
.hero-title {
  color: var(--rd-text) !important;
  letter-spacing: 0 !important;
}

.gradient-text,
.highlight {
  background: linear-gradient(90deg, var(--rd-cyan), var(--rd-green), var(--rd-violet)) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  color: transparent !important;
}

.section-label,
.ab-section-title,
.form-label,
.admin-section-title,
.panel-title {
  letter-spacing: 0.04em !important;
  color: var(--rd-soft) !important;
}

.glass-panel {
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease !important;
}

.glass-panel:hover,
.blog-card:hover,
.app-item:hover,
.mini-app-item:hover,
.skill-card:hover,
.tl-card:hover {
  transform: translateY(-2px) !important;
  border-color: var(--rd-border-strong) !important;
}

.cta-btn,
.btn-primary,
.sam-btn {
  border: 0 !important;
  color: #041014 !important;
  background: linear-gradient(90deg, var(--rd-cyan), var(--rd-green)) !important;
  font-weight: 800 !important;
}

.btn-secondary,
.btn-ghost,
.filter-btn,
.theme-btn {
  border: 1px solid var(--rd-border) !important;
  background: rgba(148, 163, 184, 0.08) !important;
  color: var(--rd-soft) !important;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--rd-border-strong) !important;
  background: rgba(34, 211, 238, 0.13) !important;
  color: var(--rd-text) !important;
}

.blog-card,
.app-item,
.mini-app-item {
  overflow: hidden;
}

.blog-card-thumb,
.app-icon-wrapper,
.mini-app-icon,
.ab-avatar,
.record-disk {
  border-radius: var(--rd-radius) !important;
}

.blog-card-title,
.app-name,
.mini-post-title,
.mini-app-name,
.skill-name,
.tl-title,
.about-name,
.ab-name {
  color: var(--rd-text) !important;
  letter-spacing: 0 !important;
}

.blog-card-summary,
.app-tech,
.mini-app-tech,
.tl-desc,
.skill-desc,
.bio-text,
.about-bio,
.stat-lbl,
.music-info p {
  color: var(--rd-muted) !important;
}

.skill-matrix {
  gap: 12px !important;
}

.skill-card::before {
  background: linear-gradient(90deg, var(--rd-cyan), var(--rd-green)) !important;
}

.skill-bar-fill {
  background: linear-gradient(90deg, var(--rd-cyan), var(--rd-green)) !important;
}

.tl::before {
  background: linear-gradient(180deg, var(--rd-cyan), rgba(52, 211, 153, 0.12)) !important;
}

.tl-dot {
  border-radius: 999px !important;
  background: linear-gradient(135deg, var(--rd-cyan), var(--rd-green)) !important;
}

.music-box.playing .record-disk {
  animation-duration: 6s !important;
}

/* Admin */
.sidebar {
  background: #0b1019 !important;
}

[data-theme="light"] .sidebar {
  background: #ffffff !important;
}

.sidebar-logo-icon,
.sidebar-user-avatar,
.stat-icon,
.profile-avatar {
  border-radius: var(--rd-radius) !important;
  background: linear-gradient(135deg, var(--rd-cyan), var(--rd-green)) !important;
  color: #031014 !important;
}

.sidebar-nav-item {
  border-radius: var(--rd-radius) !important;
  color: var(--rd-muted) !important;
}

.sidebar-nav-item:hover,
.sidebar-nav-item.active {
  background: rgba(34, 211, 238, 0.12) !important;
  color: var(--rd-text) !important;
}

.main-content {
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.045), transparent 320px),
    var(--rd-bg) !important;
}

.panel-header,
.card-header,
.modal-header {
  border-color: var(--rd-border) !important;
}

.form-input,
.form-textarea,
.form-select,
.sidebar-search-input,
.code-editor {
  border-radius: var(--rd-radius) !important;
  border: 1px solid var(--rd-border) !important;
  background: rgba(2, 6, 23, 0.38) !important;
  color: var(--rd-text) !important;
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea,
[data-theme="light"] .form-select,
[data-theme="light"] .sidebar-search-input,
[data-theme="light"] .code-editor {
  background: #ffffff !important;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--rd-cyan) !important;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12) !important;
}

.toggle-switch,
.theme-switch {
  border-radius: 999px !important;
}

.toggle-switch.active,
.toggle-switch.on,
.theme-switch.active,
.theme-switch.on {
  background: linear-gradient(90deg, var(--rd-cyan), var(--rd-green)) !important;
}

.toast {
  border-radius: var(--rd-radius) !important;
  border: 1px solid var(--rd-border) !important;
  background: var(--rd-surface-2) !important;
}

@media (max-width: 820px) {
  .floating-nav {
    max-width: calc(100vw - 20px) !important;
  }

  .nav-cv-link span {
    display: none;
  }

  .glass-panel,
  .about-content,
  .ab-card {
    padding: 1rem !important;
  }

  .skill-summary,
  .skill-matrix {
    grid-template-columns: 1fr !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}