* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(217, 70, 239, 0.25), transparent 28%),
    radial-gradient(circle at 80% 70%, rgba(20, 184, 166, 0.18), transparent 30%),
    #090006;
  color: #ffffff;
}

.portfolio-container {
  width: 90%;
  max-width: 1200px;
  min-height: 90vh;
  margin: 40px auto;
  display: flex;
  background: #1b1b1f;
  border: 10px solid #080003;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

/* ฝั่งซ้าย */
.left-panel {
  position: relative;
  width: 38%;
  min-height: 700px;
  padding: 32px 24px;
  text-align: center;
  background: linear-gradient(180deg, #25262d, #12000a);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.side-menu {
  position: absolute;
  top: 28px;
  left: 28px;
  z-index: 2;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #d946ef, #9333ea);
  color: #12000a;
  font-size: 24px;
  border-radius: 8px;
}

.profile-image {
  position: absolute;
  inset: 56px 32px 32px 32px;
  z-index: 0;
  overflow: hidden;
}

.profile-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.profile-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.85));
}

.profile-info {
  position: relative;
  z-index: 1;
  padding: 28px 12px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.8));
  border-radius: 14px;
}

.profile-info h1 {
  margin: 0 0 8px;
  font-size: 42px;
  line-height: 1.1;
}

.role {
  margin: 0;
  color: #d946ef;
  font-weight: bold;
}

.social-links {
  margin-top: 24px;
}

.social-links a {
  color: #ffffff;
  margin: 0 8px;
  text-decoration: none;
  font-size: 14px;
}

.social-links a:hover {
  color: #d946ef;
}

/* ฝั่งขวา */
.right-panel {
  width: 62%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px 52px;
  background: #202124;
}

.top-nav {
  text-align: right;
  margin-bottom: 48px;
}

.top-nav a {
  color: #ffffff;
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
  font-weight: 700;
}

.top-nav a:hover {
  color: #d946ef;
}

.eyebrow {
  margin: 0 0 10px;
  color: #d946ef;
  font-weight: 700;
}

.hero-section h2,
.content-section h2 {
  margin: 0 0 16px;
  font-size: 46px;
  line-height: 1.15;
}

.hero-section p,
.content-section p {
  color: #b8b8b8;
  line-height: 1.8;
}

.content-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid #333;
}

.skill-category {
  margin-top: 24px;
}

.skill-category h3 {
  margin: 0 0 14px;
  color: #d946ef;
  font-size: 18px;
}

.skill-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.skill-card,
.project-card {
  padding: 20px;
  background: #2a2b30;
  border: 1px solid #383941;
  border-radius: 12px;
}

.skill-card {
  color: #ffffff;
  font-weight: 700;
}

.project-card h3 {
  margin: 0 0 10px;
  color: #d946ef;
}

.project-card p {
  margin: 0;
}

.footer {
  margin-top: 40px;
  color: #888;
  font-size: 14px;
}

/* รองรับมือถือ */
@media (max-width: 768px) {
  .portfolio-container {
    width: 100%;
    margin: 0;
    flex-direction: column;
    border: 0;
    border-radius: 0;
  }

  .left-panel,
  .right-panel {
    width: 100%;
  }

  .left-panel {
    min-height: 520px;
  }

  .right-panel {
    max-height: none;
    padding: 32px 24px;
  }

  .top-nav {
    text-align: left;
  }

  .top-nav a {
    display: inline-block;
    margin: 8px 12px 8px 0;
  }

  .hero-section h2,
  .content-section h2 {
    font-size: 34px;
  }

  .skill-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }
}

/* ข้อความอธิบายใต้หัวข้อ */
.section-note {
  margin-top: -6px;
  color: #b8b8b8;
}

/* ทำให้การ์ดโปรเจกต์คลิกได้ */
.project-link {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.project-link:hover {
  transform: translateY(-4px);
  border-color: #d946ef;
  background: #30313a;
}

.project-tag {
  display: inline-block;
  margin-bottom: 12px;
  color: #14b8a6;
  font-size: 13px;
  font-weight: 700;
}

.read-more {
  display: inline-block;
  margin-top: 14px;
  color: #d946ef;
  font-weight: 700;
}

/* หน้า Project Detail */
.detail-page {
  width: 90%;
  max-width: 1200px;
  min-height: 90vh;
  margin: 40px auto;
  background: #1b1b1f;
  border: 10px solid #080003;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 40px;
  border-bottom: 1px solid #333;
  background: #202124;
}

.back-link {
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
}

.back-link:hover {
  color: #d946ef;
}

.detail-nav a {
  margin-left: 18px;
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.detail-nav a:hover {
  color: #d946ef;
}

.detail-content {
  display: grid;
  grid-template-columns: 40% 60%;
  min-height: 680px;
}

.project-preview-panel {
  position: relative;
  padding: 40px;
  background: linear-gradient(180deg, #25262d, #12000a);
}

.preview-card {
  height: 100%;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  border: 1px solid #383941;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(217, 70, 239, 0.7), rgba(20, 184, 166, 0.45)),
    #202124;
}

.preview-browser {
  padding: 14px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.35);
}

.browser-dots {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  opacity: 0.65;
}

.preview-screen {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.35);
  text-align: center;
}

.preview-screen h1 {
  margin: 0;
  font-size: 34px;
}

.preview-meta p {
  margin: 8px 0 0;
  color: #e5e5e5;
}

.detail-info-panel {
  padding: 48px 56px;
  background: #202124;
}

.detail-info-panel h1 {
  margin: 0 0 16px;
  font-size: 48px;
  line-height: 1.1;
}

.detail-info-panel h2 {
  margin-top: 36px;
  margin-bottom: 12px;
  font-size: 28px;
}

.detail-info-panel p,
.detail-info-panel li {
  color: #b8b8b8;
  line-height: 1.8;
}

.detail-info-panel ul {
  padding-left: 22px;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tech-list span {
  padding: 10px 14px;
  border: 1px solid #383941;
  border-radius: 999px;
  background: #2a2b30;
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-button,
.secondary-button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
}

.primary-button {
  background: linear-gradient(135deg, #d946ef, #9333ea);
  color: #ffffff;
}

.secondary-button {
  border: 1px solid #383941;
  color: #ffffff;
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .detail-page {
    width: 100%;
    margin: 0;
    border: 0;
    border-radius: 0;
  }

  .detail-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 24px;
  }

  .detail-nav a {
    display: inline-block;
    margin: 8px 12px 0 0;
  }

  .detail-content {
    grid-template-columns: 1fr;
  }

  .project-preview-panel,
  .detail-info-panel {
    padding: 28px 24px;
  }

  .preview-card {
    min-height: 360px;
  }

  .detail-info-panel h1 {
    font-size: 36px;
  }
}


/* รูปภาพตัวอย่างโปรเจกต์ในหน้า Project Detail */
.preview-screen {
  position: relative;
  overflow: hidden;
  padding: 0;
}

.preview-screen img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  display: block;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
}

.preview-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.55));
  pointer-events: none;
}

/* Animated technology background */

body {
  position: relative;
  overflow-x: hidden;
  background: #03020a;
}

/* พื้นหลังหลัก: สีชัดขึ้น แต่ยังคุมความเข้มเพื่อให้อ่านข้อมูลบนบอร์ดได้ง่าย */
.animated-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(6, 0, 18, 0.18), rgba(8, 0, 26, 0.05), rgba(0, 12, 36, 0.18)),
    url("images/tech-bg.png") center / cover no-repeat;
  filter: saturate(1.95) contrast(1.22) brightness(1.13);
}

/* เพิ่มแสง glow ให้พื้นหลังดูเด่นขึ้น */
.animated-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 14% 18%, rgba(168, 85, 247, 0.42), transparent 30%),
    radial-gradient(circle at 86% 22%, rgba(37, 99, 235, 0.38), transparent 28%),
    radial-gradient(circle at 75% 82%, rgba(20, 184, 166, 0.28), transparent 30%),
    rgba(0, 0, 0, 0.06);
}

/* บอร์ดข้อมูลอยู่ด้านหน้าสุดเสมอ */
.portfolio-container,
.detail-page {
  position: relative;
  z-index: 3;
  backdrop-filter: blur(3px);
  box-shadow:
    0 35px 95px rgba(0, 0, 0, 0.70),
    0 0 0 1px rgba(217, 70, 239, 0.24),
    0 0 48px rgba(147, 51, 234, 0.20);
}

/* คุมความทึบของบอร์ดให้อ่านง่าย โดยไม่ทำให้พื้นหลังหายไป */
.left-panel,
.right-panel,
.detail-header,
.detail-info-panel {
  background-color: rgba(32, 33, 36, 0.94);
}

/* ไอคอนลอย: ชัดขึ้น มี glow และอยู่หลังบอร์ดข้อมูล */
.float-icon {
  position: absolute;
  z-index: 1;
  width: 82px;
  opacity: 0.68;
  filter:
    drop-shadow(0 0 18px rgba(217, 70, 239, 0.85))
    drop-shadow(0 0 34px rgba(37, 99, 235, 0.60));
  animation: floatIcon 8s ease-in-out infinite alternate;
}

/* แสดงไอคอนฝั่งซ้ายทั้งหมดให้อยู่ในจอ และไม่เข้าไปทับบอร์ด */
.icon-html { top: 12%; left: 3.5%; width: 82px; animation-delay: 0s; }
.icon-css { top: 34%; left: 4%; width: 80px; animation-delay: 1.1s; }
.icon-tailwind { top: 56%; left: 5%; width: 100px; animation-delay: 2.4s; }
.icon-js { top: 78%; left: 7.5%; width: 86px; animation-delay: 0.6s; }

/* แสดงไอคอนฝั่งขวาทั้งหมดให้อยู่ในจอ และไม่เข้าไปทับบอร์ด */
.icon-line { top: 12%; right: 7%; width: 82px; animation-delay: 1.7s; }
.icon-ollama { top: 34%; right: 4%; width: 86px; animation-delay: 2s; }
.icon-github { top: 55%; right: 5%; width: 82px; animation-delay: 0.3s; }
.icon-gpt { top: 76%; right: 8%; width: 96px; animation-delay: 1.3s; }

@keyframes floatIcon {
  0% {
    transform: translate3d(0, 0, 0) rotate(-4deg) scale(1);
  }
  100% {
    transform: translate3d(14px, -20px, 0) rotate(6deg) scale(1.06);
  }
}

/* หน้าจอกลาง: ลดความเด่นนิดหน่อยเพื่อไม่ให้เบียดบอร์ด */
@media (max-width: 1300px) {
  .float-icon {
    width: 62px;
    opacity: 0.42;
  }

  .icon-tailwind,
  .icon-gpt {
    width: 74px;
  }

  .icon-html,
  .icon-css,
  .icon-tailwind,
  .icon-js {
    left: 1.5%;
  }

  .icon-line,
  .icon-ollama,
  .icon-github,
  .icon-gpt {
    right: 1.5%;
  }
}

/* มือถือ: ลดความเด่นของไอคอน เพื่อไม่บังเนื้อหา */
@media (max-width: 768px) {
  .animated-bg {
    background-position: center;
  }

  .float-icon {
    width: 40px;
    opacity: 0.16;
  }

  .icon-tailwind,
  .icon-gpt {
    width: 50px;
  }
}