/* ==========================================
   Jerry Moo Kee Khong - Sketchbook Portfolio Stylesheet
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Architects+Daughter&family=Fira+Code:wght@400;500;700&family=Kalam:wght@400;700&family=Permanent+Marker&family=Shadows+Into+Light&display=swap');

:root {
  --paper: #FFF8E7;
  --paper-card: rgba(255, 248, 231, 0.96);
  --paper-white: #FFFFFF;
  --ink: #0A0A0A;
  --blue: #0F4C75;
  --red: #C1121F;
  --green: #059669;
  --grid: rgba(15, 76, 117, 0.08);
  --border: rgba(10, 10, 10, 0.85);
  --sidebar: 200px;
  --hand: 255px 15px 225px 15px/15px 225px 15px 255px;
  --hand-alt: 15px 225px 15px 255px/255px 15px 225px 15px;
  --shadow: 3px 3px 0px var(--ink);
}

[data-theme="dark"] {
  --paper: #0F172A;
  --paper-card: rgba(30, 41, 59, 0.94);
  --paper-white: #1E293B;
  --ink: #F8FAFC;
  --blue: #60A5FA;
  --red: #F87171;
  --green: #34D399;
  --grid: rgba(255, 255, 255, 0.04);
  --border: #475569;
  --shadow: 3px 3px 0px #020617;
}

/* Reset & Layout Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  display: block;
  min-height: 100vh;
  background: var(--paper);
  font-family: "Kalam", cursive, sans-serif;
  color: var(--ink);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 20px 20px;
  line-height: 1.5;
  font-size: 1.05rem;
  transition: background-color 0.25s, color 0.25s;
}

/* Typography */
h1 {
  font-family: "Permanent Marker", cursive, sans-serif;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  margin-bottom: 0.3em;
  color: var(--ink);
}

h2 {
  font-family: "Permanent Marker", cursive, sans-serif;
  font-size: 1.7rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 6px;
  margin-bottom: 14px;
  position: relative;
  color: var(--ink);
}

h2::after {
  content: "→";
  position: absolute;
  right: -18px;
  color: var(--red);
}

h3 {
  margin: 12px 0 4px;
  font-family: "Architects Daughter", cursive, sans-serif;
  font-weight: bold;
  font-size: 1.3rem;
  color: var(--ink);
}

h4 {
  font-family: "Permanent Marker", cursive, sans-serif;
  font-size: 1.05rem;
  margin-top: 8px;
  color: var(--ink);
}

p {
  margin-bottom: 8px;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  color: var(--red);
  text-decoration: underline wavy var(--red);
}

/* Sidebar Navigation */
nav {
  position: fixed;
  left: 16px;
  top: 16px;
  bottom: 16px;
  width: var(--sidebar);
  background: var(--paper-card);
  border: 2px solid var(--border);
  border-radius: var(--hand);
  padding: 16px 12px;
  z-index: 10;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow);
}

.frame {
  width: 84px;
  height: 84px;
  margin: 0 auto 12px;
  border: 2px solid var(--border);
  border-radius: 50%;
  padding: 3px;
  background: var(--paper-white);
  box-shadow: 2px 2px 0px var(--border);
}

.frame img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

nav ul {
  list-style: none;
}

nav li {
  margin: 5px 0;
}

nav a {
  display: block;
  padding: 7px 10px;
  font-family: "Architects Daughter", cursive, sans-serif;
  color: var(--ink);
  text-decoration: none !important;
  border: 2px solid transparent;
  border-radius: 12px;
  transition: all 0.15s;
}

nav a:hover, nav a.active {
  background: rgba(15, 76, 117, 0.1);
  border-color: var(--blue);
  color: var(--blue);
}

nav a.active::before {
  content: "✓ ";
  color: var(--red);
}

.sidebar-controls {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1.5px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-ctrl {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 6px 10px;
  font-family: "Architects Daughter", cursive, sans-serif;
  font-size: 0.9rem;
  font-weight: bold;
  color: var(--ink);
  background: var(--paper-white);
  border: 2px solid var(--border);
  border-radius: 10px;
  box-shadow: 2px 2px 0px var(--border);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-ctrl:hover {
  background: rgba(15, 76, 117, 0.1);
  color: var(--blue);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--border);
}

.btn-ctrl:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--border);
}

/* Main Content Area */
.content {
  width: 100%;
  padding: 20px 24px 20px 236px;
}

.section {
  margin-bottom: 20px;
  padding: 24px;
  background: var(--paper-card);
  border: 2px solid var(--border);
  border-radius: var(--hand);
  scroll-margin-top: 28px;
  box-shadow: var(--shadow);
  position: relative;
}

.annotation {
  font-family: "Shadows Into Light", cursive, sans-serif;
  color: var(--red);
  margin-left: 6px;
  font-weight: bold;
}

/* Projects Showcase */
.project {
  display: flex;
  gap: 16px;
  padding: 14px;
  margin-bottom: 14px;
  background: var(--paper-white);
  border: 2px solid var(--border);
  border-radius: var(--hand);
  position: relative;
  box-shadow: 2px 2px 0px var(--border);
}

.project img {
  width: 130px;
  height: 130px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--paper);
}

.project-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  max-width: 560px;
}

.project-copy p {
  margin: 0;
  line-height: 1.45;
}

.project-meta {
  font-family: "Architects Daughter", cursive, sans-serif;
  color: var(--blue);
  font-weight: bold;
}

.project-link {
  align-self: flex-start;
  padding: 6px 10px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--paper);
  font-family: "Architects Daughter", cursive, sans-serif;
  color: var(--ink);
  box-shadow: 2px 2px 0px var(--border);
}

.project-link:hover {
  background: var(--blue);
  color: #FFF;
  text-decoration: none !important;
}

.overlay {
  position: absolute;
  left: 14px;
  top: 14px;
  width: 130px;
  height: 130px;
  background: rgba(0, 0, 0, 0.82);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
  border-radius: 12px;
  text-align: center;
  padding: 8px;
}

.overlay div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.overlay h3 {
  font-size: 0.95rem;
  margin: 0;
  color: #fff;
}

.overlay p {
  font-size: 0.72rem;
  line-height: 1.25;
  margin: 0;
  color: #E2E8F0;
}

.overlay a {
  font-size: 0.75rem;
  color: #60A5FA;
  text-decoration: underline;
}

.project:hover .overlay {
  opacity: 1;
}

.small-project {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px;
  margin-bottom: 10px;
  background: var(--paper-white);
  border: 2px solid var(--border);
  border-radius: var(--hand);
  box-shadow: 2px 2px 0px var(--border);
}

/* Skills Grid */
.skills-logos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.skill-logo-container {
  text-align: center;
  padding: 12px;
  background: var(--paper-white);
  border: 2px solid var(--border);
  border-radius: var(--hand);
  box-shadow: 2px 2px 0px var(--border);
  transition: transform 0.15s;
}

.skill-logo-container:hover {
  transform: translateY(-2px);
}

.skill-logo {
  width: 44px;
  height: 44px;
  padding: 5px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 8px;
  object-fit: contain;
}

.icon-name {
  font-family: "Architects Daughter", cursive, sans-serif;
  font-size: 12px;
  margin-top: 5px;
  display: block;
  font-weight: bold;
}

/* Certifications Container */
.certifications-container {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 10px;
}

.certification {
  flex: 1 1 140px;
  text-align: center;
  padding: 12px;
  background: var(--paper-white);
  border: 2px solid var(--border);
  border-radius: var(--hand);
  position: relative;
  box-shadow: 2px 2px 0px var(--border);
}

.certification::after {
  content: "VERIFIED";
  position: absolute;
  top: -6px;
  right: -6px;
  font-size: 9px;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 0 3px;
  background: var(--paper);
  transform: rotate(11deg);
  font-family: "Permanent Marker", cursive, sans-serif;
}

.cert-image {
  width: 76px;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
}

/* Social & Contact */
.social-icon {
  width: 28px;
  height: 28px;
  padding: 4px;
  background: var(--paper-white);
  border: 1px solid var(--border);
  border-radius: 50%;
  box-shadow: 1px 1px 0px var(--border);
  transition: transform 0.15s;
}

.social-icon:hover {
  transform: scale(1.1);
}

#contact form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 680px;
  margin-top: 10px;
}

#contact input, #contact textarea {
  padding: 10px;
  border: 2px solid var(--border);
  border-radius: var(--hand);
  font-family: "Kalam", cursive, sans-serif;
  background: var(--paper-white);
  color: var(--ink);
  font-size: 1rem;
}

#contact textarea {
  grid-column: 1 / -1;
  min-height: 130px;
}

#contact input[type=submit] {
  grid-column: 1 / -1;
  background: var(--ink);
  color: var(--paper);
  font-family: "Permanent Marker", cursive, sans-serif;
  font-size: 1.15rem;
  padding: 10px;
  border: 2px solid var(--border);
  box-shadow: 2px 2px 0 var(--ink);
  cursor: pointer;
  transition: all 0.15s;
}

#contact input[type=submit]:hover {
  background: var(--blue);
  color: #FFF;
  box-shadow: 4px 4px 0 var(--ink);
}

/* Toast */
.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 10px 14px;
  background: rgba(10, 10, 10, 0.92);
  color: var(--paper);
  border: 2px solid var(--border);
  border-radius: 12px;
  font-family: "Architects Daughter", cursive, sans-serif;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 200;
}

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

/* SRE Command Terminal Modal (Sketchbook Theme) */
.terminal-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
}

.terminal-modal.open {
  opacity: 1;
  visibility: visible;
}

.terminal-window {
  width: 100%;
  max-width: 760px;
  height: 500px;
  background: #0A0F1D;
  border: 3px solid var(--border);
  border-radius: var(--hand);
  box-shadow: 6px 6px 0px var(--ink);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Fira Code', 'Consolas', monospace;
  color: #38BDF8;
}

.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #1E293B;
  border-bottom: 2px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--border);
  cursor: pointer;
}

.dot-red { background: #EF4444; }
.dot-yellow { background: #F59E0B; }
.dot-green { background: #10B981; }

.terminal-title {
  font-family: "Architects Daughter", cursive, sans-serif;
  font-size: 0.9rem;
  color: #F8FAFC;
  font-weight: bold;
}

.terminal-body {
  flex-grow: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.terminal-prompt {
  color: #4ADE80;
  font-weight: 700;
}

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #F8FAFC;
  font-family: 'Fira Code', monospace;
  font-size: 0.95rem;
}

.terminal-chips {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  background: #0F172A;
  border-top: 1px dashed #334155;
  overflow-x: auto;
}

.chip-btn {
  padding: 3px 10px;
  background: #1E293B;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #38BDF8;
  font-family: "Architects Daughter", cursive, sans-serif;
  font-size: 0.85rem;
  font-weight: bold;
  cursor: pointer;
  white-space: nowrap;
}

.chip-btn:hover {
  background: #0284C7;
  color: #FFF;
}

/* Mobile Top Nav */
.mobile-topnav, .mobile-menu {
  display: none;
}

@media(max-width: 860px) {
  nav {
    display: none;
  }
  .mobile-topnav {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 52px;
    background: var(--paper-card);
    border-bottom: 2px solid var(--border);
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    z-index: 100;
  }
  .mobile-topnav span {
    font-family: "Permanent Marker", cursive, sans-serif;
    color: var(--blue);
    font-size: 1.2rem;
  }
  .mobile-menu {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    background: var(--paper-card);
    border-bottom: 2px solid var(--border);
    display: none;
    flex-direction: column;
    z-index: 99;
  }
  .mobile-menu.open {
    display: flex;
  }
  .mobile-menu a {
    padding: 12px 16px;
    border-bottom: 1px solid #eee;
    font-family: "Architects Daughter", cursive, sans-serif;
    color: var(--ink);
    text-decoration: none !important;
  }
  .content {
    padding: 64px 14px 20px;
  }
  .project {
    flex-direction: column;
    text-align: left;
    align-items: flex-start;
  }
  .project img {
    width: 110px;
    height: 110px;
    transform: none;
  }
  .project-copy {
    max-width: none;
  }
  .overlay {
    width: 110px;
    height: 110px;
    left: 14px;
    top: 14px;
  }
  #contact form {
    grid-template-columns: 1fr;
  }
}