/* ============================
   MATRIX GREEN PORTFOLIO
   Base Global Styles
   ============================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-deep-charcoal: #0D1117;
  --text-pale-green: #B9FFB9;
  --text-light: #f2faf2;
  --accent-matrix-green: #00FF41;
  --glow-color: rgba(0, 255, 65, 0.4);
  --border-color: rgba(0, 255, 65, 0.2);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-deep-charcoal);
  color: var(--text-pale-green);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--accent-matrix-green);
  text-shadow: 0 0 10px var(--glow-color);
}

a {
  color: var(--accent-matrix-green);
}

/* ============================
   BACKGROUND ELEMENTS
   ============================ */

#binary-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.2;
}

.code-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 65, 0.02) 2px,
    rgba(0, 255, 65, 0.02) 4px
  );
  pointer-events: none;
  z-index: 0;
}

.code-snippets {
  position: fixed;
  top: 100px;
  right: 20px;
  color: #06f746;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  opacity: 0.2;
  white-space: pre;
  z-index: 0;
  pointer-events: none;
}

.left-image {
  position: fixed;
  top: 90px;
  left: 20px;
  width: 300px;
  height: auto;
  opacity: 0.2;
  z-index: 0;
  pointer-events: none;
  border-radius: 10px;
}

/* ============================
   LAYOUT
   ============================ */

.content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 100px auto 0;
  padding: 0 20px;
}

.page-container {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
  padding: 40px 0;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

/* ============================
   HEADER & NAVIGATION
   ============================ */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  height: 65px;
  width: 150px;
  filter: drop-shadow(0 0 10px var(--glow-color));
  opacity: 1;
  transition: transform 0.3s, filter 0.3s;
}

.logo img:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 15px rgba(0, 255, 65, 0.6));
}

.nav-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a {
  color: var(--text-pale-green);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s;
  position: relative;
}

.mobile-menu-toggle {
  display: none;
  background: rgba(0, 255, 65, 0.1);
  border: 1px solid var(--border-color);
  color: var(--accent-matrix-green);
  border-radius: 6px;
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-links a:hover {
  color: var(--accent-matrix-green);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-matrix-green);
  box-shadow: 0 0 5px var(--glow-color);
  transition: width 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

/* ============================
   FLOATING BUTTONS
   ============================ */

.floating-buttons {
  position: fixed;
  bottom: 30px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 1000;
  pointer-events: none;
}

.floating-button {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-matrix-green);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--bg-deep-charcoal);
  box-shadow: 0 0 15px var(--glow-color);
  transition: transform 0.3s, box-shadow 0.3s;
  pointer-events: auto;
  text-decoration: none;
}

.floating-button:hover {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(0, 255, 65, 0.6);
}

/* Chat Button Container with Label */
.chat-button-container {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
}

.chat-label {
  background: var(--accent-matrix-green);
  color: var(--bg-deep-charcoal);
  padding: 0.6rem 1rem;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 0 15px var(--glow-color);
  animation: slideIn 0.4s ease-in-out;
  position: relative;
  max-width: 200px;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
}

.chat-label-text {
  line-height: 1.2;
}

.chat-label-close {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  opacity: 0.75;
  pointer-events: auto;
}

.chat-label-close:hover {
  opacity: 1;
}

.chat-label::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid var(--accent-matrix-green);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.chat-label.hidden {
  display: none;
}

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

/* ============================
   FOOTER
   ============================ */

footer {
  background: rgba(0, 255, 65, 0.03);
  border-top: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  padding: 0.3rem;
  margin-top: 4rem;
  width: 100%;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: left;
  color: #888888;
}

.footer-large {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-top {
  display: flex;
  justify-content: flex-start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.footer-logo {
  width: 170px;
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 0 10px var(--glow-color));
}

.footer-brand h3 {
  margin: 0;
  font-size: 1.4rem;
}

.footer-brand p {
  margin: 0;
  color: var(--text-pale-green);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-column h4 {
  margin-bottom: 0.3rem;
}

.footer-column a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-pale-green);
  text-decoration: none;
  transition: color 0.3s, text-shadow 0.3s;
  word-break: break-word;
}

.footer-link-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-column a:hover {
  color: var(--accent-matrix-green);
  text-shadow: 0 0 8px var(--glow-color);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.footer-bottom p {
  margin: 0;
  color: #999;
}

/* ============================
   CHAT MODAL
   ============================ */

.chat-modal {
  position: fixed;
  top: 120px;
  right: 30px;
  width: 350px;
  height: 500px;
  background: rgba(13, 17, 23, 0.95);
  border: 1px solid rgba(0, 255, 65, 0.3);
  border-radius: 10px;
  display: none;
  flex-direction: column;
  z-index: 999;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.chat-header {
  background: rgba(0, 255, 65, 0.1);
  border-bottom: 1px solid rgba(0, 255, 65, 0.3);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--accent-matrix-green);
  font-weight: 600;
}

.chat-close {
  cursor: pointer;
  font-size: 1.5rem;
  transition: color 0.3s, text-shadow 0.3s;
  background: transparent;
  border: 0;
  color: inherit;
  line-height: 1;
  padding: 0;
}

.chat-close:hover {
  color: var(--text-pale-green);
  text-shadow: 0 0 10px var(--glow-color);
}

.chat-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.chat-messages > div {
  max-width: 100%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.chat-input {
  border-top: 1px solid rgba(0, 255, 65, 0.2);
  padding: 1rem;
  display: flex;
  gap: 0.5rem;
}

.chat-input input {
  flex: 1;
  background: rgba(0, 255, 65, 0.05);
  border: 1px solid rgba(0, 255, 65, 0.3);
  color: var(--text-pale-green);
  border-radius: 5px;
  padding: 0.5rem;
  outline: none;
}

.chat-input input:focus {
  border-color: var(--accent-matrix-green);
  box-shadow: 0 0 10px var(--glow-color);
}

.chat-input button {
  background: var(--accent-matrix-green);
  color: var(--bg-deep-charcoal);
  border: none;
  border-radius: 5px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s, box-shadow 0.3s;
}

.chat-input button:hover {
  background: var(--accent-matrix-green);
  box-shadow: 0 0 15px var(--glow-color);
}