/* portfolio.css
   Enhanced styles for Ritvik Singh - Security Portfolio
   With functional terminal controls and proper theme support
*/

/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root{
  --bg-dark: #0f111a;
  --bg-dark-2: #0b0d14;
  --bg-sidebar: #0a0c12;
  --panel: #202534;
  --muted: #8b8fa3;
  --text: #e8e9ef;
  --accent: #7c8cff;
  --accent-2: #9d6bff;
  --success: #22d3a6;
  --yellow: #fbbf24;
  --blue: #5fd4ff;
  --danger: #f87171;
  --bg-radial-1: radial-gradient(circle at 15% 20%, rgba(124,140,255,0.16) 0, transparent 32%);
  --bg-radial-2: radial-gradient(circle at 85% 15%, rgba(157,107,255,0.18) 0, transparent 34%);
  --bg-radial-3: radial-gradient(circle at 50% 80%, rgba(34,211,166,0.12) 0, transparent 36%);
  --grid-line: rgba(124,140,255,0.06);
  --glow-strong: 0 15px 50px rgba(124,140,255,0.35);
  
  /* Terminal specific colors */
  --terminal-bg: #0d1117;
  --terminal-border: #2d3242;
  --terminal-title-bg: #111624;
  --terminal-title-text: #9aa0b5;
  
  /* Font variable with default */
  --ui-font: 'Menlo', 'Monaco', 'Courier New', monospace;
}

html {
  scroll-behavior: smooth;
}

html, body {
  height: 100%;
}

body {
  background: radial-gradient(120% 120% at 15% 20%, rgba(124,140,255,0.12), transparent 55%),
              radial-gradient(120% 120% at 85% 15%, rgba(157,107,255,0.16), transparent 60%),
              radial-gradient(100% 100% at 50% 80%, rgba(34,211,166,0.08), transparent 65%),
              linear-gradient(160deg, var(--bg-dark) 0%, var(--bg-dark-2) 80%);
  font-family: var(--ui-font);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  display: flex;
  transition: background 0.3s, color 0.3s, font-family 0.3s;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 98px, var(--grid-line) 98px 100px),
    repeating-linear-gradient(0deg, transparent 0 98px, var(--grid-line) 98px 100px);
  opacity: 0.35;
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 0;
}

/* Layout: Sidebar */
.sidebar {
  width: 200px;
  background: rgba(10,12,18,0.9);
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid #242839;
  box-shadow: inset -1px 0 0 rgba(255,255,255,0.03), 0 10px 40px rgba(0,0,0,0.45);
  backdrop-filter: blur(8px);
  transition: background 0.3s, box-shadow 0.3s;
  z-index: 1;
}

.profile {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 90%);
  border-radius: 14px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: white;
  letter-spacing: 0.5px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--glow-strong);
  cursor: pointer;
}

.profile:hover {
  transform: translateY(-4px) scale(1.08) rotate(3deg);
  box-shadow: 0 14px 40px rgba(124,140,255,0.45);
}

.nav-item {
  padding: 12px 16px;
  color: var(--muted);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 14px;
  position: relative;
  transform: translateX(0);
}

.nav-item:hover { 
  color: var(--text); 
  background: var(--panel); 
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.nav-item.active { 
  color: var(--text); 
  background: linear-gradient(120deg, rgba(124,140,255,0.16), rgba(32,37,52,0.9));
  font-weight: 650;
  box-shadow: 0 8px 24px rgba(124,140,255,0.22);
  border: 1px solid rgba(124,140,255,0.25);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 28px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 8px;
  box-shadow: 0 0 18px rgba(124,140,255,0.45);
}

/* Main Content area */
.main-content { 
  flex: 1; 
  display: flex; 
  flex-direction: column; 
  overflow: hidden; 
  background: var(--bg-dark);
  transition: background 0.3s;
}

.header {
  padding: 20px 40px;
  border-bottom: 1px solid var(--panel);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-right { 
  display: flex; 
  gap: 20px; 
  font-size: 13px; 
  color: var(--muted); 
  align-items: center; 
}

.header-right span { 
  cursor: pointer; 
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 6px 12px;
  border-radius: 6px;
  position: relative;
}

.header-right span:hover { 
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.header-right span:active {
  transform: translateY(0);
}

/* Toggle Button */
.toggle-mode {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--panel);
  border: 1px solid #3a3d4a;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 12px;
  color: var(--text);
  font-family: inherit;
}

.toggle-mode:hover {
  background: #3a3d4a;
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.toggle-mode:active {
  transform: translateY(0);
}

.toggle-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
}

/* Terminal area - Enhanced Realistic Terminal Look */
.terminal {
  flex: 1;
  padding: 0;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.8;
  scroll-behavior: smooth;
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: 8px;
  margin: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 
              0 0 0 1px rgba(255, 255, 255, 0.05),
              inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.terminal:hover {
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), 
              0 0 0 1px rgba(255, 255, 255, 0.08),
              inset 0 1px 0 rgba(255, 255, 255, 0.08);
  border-color: var(--terminal-border);
}

/* Terminal Title Bar */
.terminal::before {
  content: 'ritvik@security:~/portfolio';
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  padding-left: 60px;
  height: 36px;
  background: var(--terminal-title-bg);
  border-bottom: 1px solid var(--terminal-border);
  border-radius: 8px 8px 0 0;
  z-index: 10;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  color: var(--terminal-title-text);
  font-size: 12px;
  font-family: var(--ui-font);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

/* Terminal Window Controls - Enhanced with interactivity */
.terminal-controls {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 8px;
  z-index: 11;
  pointer-events: auto;
}

.terminal-control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: transparent;
}

.terminal-control.close { 
  background: #ff5f56;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.terminal-control.minimize { 
  background: #ffbd2e;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.terminal-control.maximize { 
  background: #27c93f;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.terminal-control:hover {
  transform: scale(1.1);
  border-color: rgba(0, 0, 0, 0.5);
}

.terminal-control.close:hover { 
  background: #ff3b30;
  color: #4a0000;
}

.terminal-control.minimize:hover { 
  background: #ff9500;
  color: #4a2f00;
}

.terminal-control.maximize:hover { 
  background: #34c759;
  color: #004a0f;
}

/* Show symbols on hover */
.terminal-control.close:hover::after {
  content: '×';
  color: #590000;
  font-size: 10px;
  font-weight: bold;
}

.terminal-control.minimize:hover::after {
  content: '−';
  color: #593300;
  font-size: 10px;
  font-weight: bold;
}

.terminal-control.maximize:hover::after {
  content: '+';
  color: #003d0f;
  font-size: 10px;
  font-weight: bold;
}

/* Minimized state */
.terminal.minimized {
  height: 36px !important;
  overflow: hidden;
}

.terminal.minimized .terminal-content {
  display: none;
}

/* Maximized state */
.terminal.maximized {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  border-radius: 0;
  z-index: 1000;
}

/* Terminal Content Area */
.terminal-content {
  padding: 40px;
  margin-top: 36px;
  background: var(--terminal-bg);
  min-height: calc(100% - 36px);
  transition: background 0.3s;
}

.terminal::-webkit-scrollbar { width: 10px; }
.terminal::-webkit-scrollbar-track { 
  background: var(--terminal-bg); 
  border-left: 1px solid var(--terminal-border);
}
.terminal::-webkit-scrollbar-thumb { 
  background: var(--terminal-border); 
  border-radius: 5px;
  border: 2px solid var(--terminal-bg);
}
.terminal::-webkit-scrollbar-thumb:hover { 
  background: #484f58;
  box-shadow: inset 0 0 4px rgba(255, 255, 255, 0.1);
}

/* Terminal elements */
.system-header { 
  color: var(--muted); 
  font-size: 12px; 
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.welcome-text { 
  color: #a1a1aa; 
  margin-bottom: 30px;
  font-size: 14px;
  transition: color 0.3s ease;
}

.command-block { 
  margin-bottom: 40px; 
  animation: fadeIn 0.5s ease-out;
  padding: 20px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid transparent;
  transition: all 0.3s ease;
}

.command-block:hover {
  background: rgba(0, 0, 0, 0.3);
  border-left-color: var(--accent);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@keyframes fadeIn { 
  from { opacity: 0; transform: translateY(10px); } 
  to { opacity: 1; transform: translateY(0); } 
}

.command-label { 
  color: var(--muted); 
  font-size: 11px; 
  margin-bottom: 4px; 
  text-transform: uppercase; 
  letter-spacing: 1px; 
}

.command-line { 
  color: var(--success); 
  margin-bottom: 16px;
  font-weight: 600;
  font-family: var(--ui-font);
  transition: color 0.3s ease;
}

.command-block:hover .command-line {
  color: var(--accent);
  text-shadow: 0 0 8px rgba(102, 126, 234, 0.3);
}

.command-line::before { 
  content: '$ '; 
  color: var(--muted); 
}

.output-label { 
  color: var(--muted); 
  font-size: 11px; 
  margin-bottom: 8px; 
  text-transform: uppercase; 
  letter-spacing: 1px; 
}

.boot-sequence {
  background: rgba(5, 6, 8, 0.6);
  border: 1px solid var(--terminal-border);
  border-radius: 8px;
  padding: 18px 20px;
  font-family: var(--ui-font, "JetBrains Mono", monospace);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
}

.boot-line {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #cbd5e1;
  font-size: 13px;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.boot-line.hidden {
  opacity: 0;
  transform: translateY(4px);
}

.boot-label {
  flex: 1;
  white-space: pre-wrap;
}

.boot-status {
  font-weight: 700;
  color: var(--success);
}

.boot-status.ready {
  color: var(--yellow);
}

.boot-line:last-child {
  margin-bottom: 0;
}

.fun-output {
  background: rgba(7, 11, 20, 0.8);
  border-left: 3px solid var(--accent);
  padding: 16px;
  border-radius: 8px;
  margin-top: 12px;
  font-family: var(--ui-font, monospace);
  line-height: 1.6;
  box-shadow: inset 0 0 12px rgba(0,0,0,0.35);
}

.fun-progress {
  color: #38bdf8;
  letter-spacing: 0.04em;
}

.fun-success {
  color: var(--success);
  font-weight: 700;
  margin-top: 10px;
}

.fun-fortune {
  color: var(--yellow);
  font-weight: 600;
}

.fun-dice span {
  font-size: 20px;
  font-weight: 700;
  color: var(--yellow);
}

.fun-fireworks {
  background: radial-gradient(circle, rgba(32,41,74,0.8), rgba(7,9,15,0.95));
  border-radius: 12px;
  padding: 20px;
  font-family: var(--ui-font, monospace);
  line-height: 1.8;
  color: #fcd34d;
  text-align: center;
  border: 1px solid rgba(252,211,77,0.3);
  margin-top: 12px;
}

.fun-fireworks.sparkle {
  animation: sparkle 1s ease-in-out 3;
}

@keyframes sparkle {
  0%,100% { text-shadow: 0 0 6px rgba(255,255,255,0.4); }
  50% { text-shadow: 0 0 18px rgba(255,255,255,0.9); }
}

.section-title { 
  color: var(--yellow); 
  font-size: 18px; 
  font-weight: bold; 
  margin: 24px 0 16px 0; 
}

.section-content { 
  color: #a1a1aa; 
  line-height: 1.8; 
  margin-bottom: 20px; 
}

.highlight { 
  color: var(--blue); 
  font-style: italic; 
}

.tag-container { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 12px; 
  margin: 16px 0; 
}

.tag-section { 
  margin-bottom: 24px; 
}

.tag-section-title { 
  color: var(--text); 
  font-size: 12px; 
  margin-bottom: 12px; 
  text-transform: uppercase; 
  letter-spacing: 1px; 
}

.tag { 
  display: inline-block; 
  padding: 6px 14px; 
  background: var(--panel); 
  border: 1px solid #3a3d4a; 
  border-radius: 6px; 
  font-size: 12px; 
  color: var(--text); 
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
}

.tag:hover { 
  background: #3a3d4a; 
  border-color: var(--accent); 
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.experience-item { 
  margin-bottom: 32px; 
  padding-bottom: 32px;
  padding: 20px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.1);
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--panel);
  transition: all 0.3s ease;
}

.experience-item:hover {
  background: rgba(0, 0, 0, 0.2);
  border-left-color: var(--accent);
  transform: translateX(4px);
}

.experience-item:last-child { 
  border-bottom: none; 
}

.experience-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: start; 
  margin-bottom: 12px; 
}

.experience-title { 
  color: var(--yellow); 
  font-size: 16px; 
  font-weight: bold; 
}

.experience-company { 
  color: var(--blue); 
  font-size: 14px; 
}

.experience-date { 
  color: var(--muted); 
  font-size: 13px; 
}

.experience-description { 
  color: #a1a1aa; 
  line-height: 1.8; 
}

.bullet-list { 
  margin: 12px 0 12px 20px; 
}

.bullet-list li { 
  color: #a1a1aa; 
  margin-bottom: 8px; 
  line-height: 1.6; 
}

/* Cursor & input */
.cursor { 
  display: inline-block; 
  width: 2px; 
  height: 18px; 
  background: var(--accent); 
  animation: blink 1s step-end infinite, pulse 2s ease-in-out infinite; 
  margin-left: 4px;
  border-radius: 1px;
  box-shadow: 0 0 8px var(--accent);
}

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

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 8px var(--accent); }
  50% { box-shadow: 0 0 16px var(--accent), 0 0 24px rgba(102, 126, 234, 0.5); }
}

.input-line { 
  display: flex; 
  align-items: center; 
  margin-top: 40px; 
}

.prompt { 
  color: var(--success); 
  margin-right: 8px; 
}

#command-input { 
  background: transparent; 
  border: none; 
  color: var(--text); 
  font-family: inherit; 
  font-size: inherit; 
  outline: none; 
  flex: 1; 
  caret-color: var(--accent);
  transition: all 0.3s ease;
}

#command-input:focus {
  color: var(--text);
  text-shadow: 0 0 4px rgba(102, 126, 234, 0.3);
}

#command-input::placeholder {
  color: var(--muted);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

#command-input:focus::placeholder {
  opacity: 0.3;
}

/* Floating decoration */
.floating-circles { 
  position: fixed; 
  top: 50%; 
  right: 100px; 
  width: 200px; 
  height: 200px; 
  opacity: 0.03; 
  pointer-events: none; 
}

.circle { 
  position: absolute; 
  border: 1px solid var(--accent); 
  border-radius: 50%; 
}

.circle:nth-child(1){ 
  width:150px;
  height:150px; 
  top:0; 
  right:0; 
  animation: float 8s ease-in-out infinite; 
}

.circle:nth-child(2){ 
  width:100px;
  height:100px; 
  bottom:0; 
  left:0; 
  animation: float 6s ease-in-out infinite reverse; 
}

@keyframes float { 
  0%,100%{transform: translate(0,0) rotate(0deg);}
  50%{transform: translate(20px,20px) rotate(180deg);} 
}

.hidden{ 
  display: none; 
}

.cert-item { 
  color: #a1a1aa; 
  margin-bottom: 8px; 
}

.cert-name { 
  color: var(--yellow); 
  font-weight: bold; 
}

.cert-issuer { 
  color: var(--blue); 
}

/* Modal (Settings) */
.modal { 
  display: none; 
  position: fixed; 
  top:0; 
  left:0; 
  width:100%; 
  height:100%; 
  background: rgba(0,0,0,0.8); 
  backdrop-filter: blur(8px);
  z-index:1000; 
  justify-content:center; 
  align-items:center;
  animation: fadeIn 0.3s ease-out;
}

.modal.active{ 
  display:flex; 
}

.modal-content { 
  background: var(--bg-sidebar); 
  padding:40px; 
  border-radius:12px; 
  max-width:920px; 
  width:96%;
  border: 1px solid var(--terminal-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(255, 255, 255, 0.05);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-title { 
  color: var(--yellow); 
  font-size:20px; 
  margin-bottom:24px; 
}

.setting-item { 
  margin-bottom:20px; 
}

.setting-label { 
  color: var(--text); 
  display:block; 
  margin-bottom:8px; 
}

.setting-options { 
  display:flex; 
  gap:12px; 
}

.setting-btn { 
  padding:8px 16px; 
  background: var(--panel); 
  border:1px solid #3a3d4a; 
  border-radius:6px; 
  color: var(--text); 
  cursor:pointer; 
  transition: all 0.3s; 
}

.setting-btn:hover{ 
  background:#3a3d4a; 
  border-color: var(--accent); 
}

.setting-btn.active{ 
  background: var(--accent); 
  border-color: var(--accent); 
}

.close-modal{ 
  margin-top:24px; 
  padding:10px 20px; 
  background: var(--accent); 
  border:none; 
  border-radius:6px; 
  color:white; 
  cursor:pointer; 
  font-family: inherit; 
}

/* CVE card */
.cve-item{ 
  background: var(--panel); 
  padding:16px; 
  border-radius:8px; 
  margin-bottom:16px; 
  border-left:3px solid var(--danger); 
}

.cve-id{ 
  color: var(--yellow); 
  font-weight:bold; 
  margin-bottom:8px; 
}

.cve-severity{ 
  display:inline-block; 
  padding:4px 8px; 
  border-radius:4px; 
  font-size:11px; 
  margin-bottom:8px; 
}

.cve-severity.critical{ 
  background: var(--danger); 
  color:#fff; 
}

.cve-severity.high{ 
  background: #f59e0b; 
  color:#fff; 
}

.cve-severity.medium { 
  background: #f3f4f6; 
  color: #1a1d29; 
}

.cve-severity.low { 
  background: #34d399; 
  color: #063; 
}

/* Settings UI */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.settings-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.setting-card {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.03);
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.setting-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.setting-card .label { 
  font-weight:700; 
}

.setting-card .tag { 
  background: rgba(0,0,0,0.18); 
  padding:6px 8px; 
  border-radius:6px; 
  font-size:12px; 
  color:var(--text); 
}

.setting-card.selected {
  outline: 3px solid rgba(102,126,234,0.18);
  box-shadow: 0 6px 18px rgba(0,0,0,0.35),
              0 0 0 1px rgba(102,126,234,0.3);
  background: rgba(102,126,234,0.1);
  border-color: rgba(102,126,234,0.3);
}

.theme-badge {
  padding: 6px 10px;
  border-radius: 6px;
  font-weight:700;
  font-size:12px;
  color: #fff;
}

/* ASCII Fox */
.ascii-fox {
  position: fixed;
  bottom: 120px;
  right: 20px;
  font-family: var(--ui-font, monospace);
  font-size: 13px;
  white-space: pre;
  line-height: 1.1;
  color: #6b6b7d;
  opacity: 0.65;
  pointer-events: none;
}

/* Responsive */
@media (max-width: 900px) {
  .settings-grid { 
    grid-template-columns: 1fr; 
  }
}

@media (max-width: 800px){
  .sidebar{ 
    width: 72px; 
    padding: 20px 12px; 
  }
  
  .profile{ 
    width:40px;
    height:40px;
    font-size:18px 
  }
  
  .terminal{ 
    padding: 20px; 
  }
}