/* ====================================================================
   PORTFÓLIO - DESIGN SYSTEM EDITORIAL & MINIMALISTA
   Inspirado no design artesanal de engenheiros sêniores (Linear / Vercel)
   Sem neons exagerados, sem clichês de IA
   ==================================================================== */

:root {
  --bg-primary: #09090b;
  --bg-secondary: #121215;
  --bg-surface: #18181b;
  --bg-surface-hover: #27272a;
  --border: #27272a;
  --border-hover: #3f3f46;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #6366f1;
  --accent-subtle: rgba(99, 102, 241, 0.12);
  --tag-bg: #1c1c20;
  --tag-text: #d4d4d8;
  --tag-border: #2e2e33;
}

[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-surface: #f4f4f5;
  --bg-surface-hover: #e4e4e7;
  --border: #e4e4e7;
  --border-hover: #d4d4d8;
  --text-primary: #09090b;
  --text-secondary: #52525b;
  --text-muted: #71717a;
  --accent: #4f46e5;
  --accent-subtle: rgba(79, 70, 229, 0.08);
  --tag-bg: #f4f4f5;
  --tag-text: #27272a;
  --tag-border: #e4e4e7;
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  transition: background-color 0.2s ease, color 0.2s ease;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Linha de Progresso Sutil */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background-color: var(--accent);
  z-index: 100;
  width: 0%;
  transition: width 0.1s ease-out;
}

/* Navbar Limpa */
.navbar-clean {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

[data-theme="dark"] .navbar-clean {
  background-color: rgba(9, 9, 11, 0.85);
}

[data-theme="light"] .navbar-clean {
  background-color: rgba(250, 250, 250, 0.85);
}

/* Cards com Estética Linear / Craft */
.project-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .project-card:hover {
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* Botões com Design Autêntico */
.btn-dark {
  background-color: var(--text-primary);
  color: var(--bg-primary) !important;
  font-weight: 500;
  border-radius: 8px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-dark:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* Tags Tecnológicas Sóbrias */
.tech-tag {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  border: 1px solid var(--tag-border);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
}

/* Terminal Interativo (Console do Desenvolvedor) */
.terminal-window {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 16px 35px -10px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace;
  color: #f8fafc;
}

[data-theme="light"] .terminal-window {
  background: #111827;
  border-color: #e4e4e7;
  color: #f8fafc;
}

.terminal-header {
  background: rgba(255, 255, 255, 0.05);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #eab308; }
.dot-green { background-color: #22c55e; }

.cursor-blink {
  display: inline-block;
  width: 8px;
  height: 14px;
  background-color: #818cf8;
  vertical-align: middle;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.97);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-content {
  transform: scale(1);
}

/* Botão Voltar ao Topo Minimalista */
#back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  z-index: 90;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.2s ease;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#back-to-top:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-hover);
}

/* Toast */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translate(-50%, 60px);
  padding: 10px 18px;
  background-color: #18181b;
  color: #f4f4f5;
  border-radius: 8px;
  border: 1px solid #27272a;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
}

#toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

/* Scrollbar Sutil */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}