/* =========================================================
   Shared project-card stylesheet
========================================================= */
:root {
  --bg:        #edf4ed;
  --surface:   #f7fbf7;
  --surface-2: #dbeade;
  --inset:     #eff6ef;

  --border:    #9fb8a8;
  --border-2:  #c9dbcd;

  --text:      #301014;
  --text-soft: #5f4a45;
  --muted:     #6c5b56;

  --accent:    #51291e;
  --accent-2:  #79b791;
  --accent2:   #79b791;
  --danger:    #6f2f2d;

  --font-display : "Syne", sans-serif;
  --font-mono    : "Space Mono", monospace;

  --radius:    8px;
  --radius-md: 14px;

  --page-radial-left: #d7e7db;
  --page-radial-right: #c6dccb;
  --page-gradient-start: #edf4ed;
  --page-gradient-end: #e6efe5;

  --card-bg: rgba(247, 251, 247, 0.93);
  --card-bg-soft: rgba(247, 251, 247, 0.9);
  --panel-line-bg: rgba(214, 232, 218, 0.68);
  --panel-line-bg-soft: rgba(214, 232, 218, 0.5);
  --panel-gradient-start: rgba(247, 251, 247, 0.95);
  --panel-gradient-end: rgba(230, 239, 229, 0.92);

  --button-text-on-accent: #edf4ed;
  --ghost-bg: rgba(237, 244, 237, 0.7);
  --input-bg: rgba(247, 251, 247, 0.84);

  --skill-bg: rgba(214, 232, 218, 0.66);
  --skill-highlight-border: rgba(81, 41, 30, 0.36);
  --skill-highlight-bg: rgba(81, 41, 30, 0.08);

  --chess-square-light: #d4c6ae;
  --chess-square-dark: #7a5745;
  --chess-square-selected: rgba(81, 41, 30, 0.34);
  --chess-square-legal: rgba(121, 183, 145, 0.28);
  --chess-square-last: rgba(121, 183, 145, 0.18);
  --chess-square-check: rgba(48, 16, 20, 0.36);
  --chess-legal-dot: rgba(81, 41, 30, 0.5);
  --chess-picker-hover: rgba(121, 183, 145, 0.2);

  --shadow-soft: 0 10px 24px rgba(48, 16, 20, 0.11);
}

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

body {
  color: var(--text);
  font-family: var(--font-display);
  background:
    radial-gradient(1000px 540px at -10% -8%, var(--page-radial-left) 0%, transparent 56%),
    radial-gradient(760px 460px at 110% 2%, var(--page-radial-right) 0%, transparent 54%),
    linear-gradient(140deg, var(--page-gradient-start), var(--page-gradient-end));
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 340px;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: var(--card-bg);
}

.demo-area {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--card-bg-soft);
}

.demo-header {
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  background: var(--panel-line-bg);
}

.demo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.demo-dot.green {
  background: var(--accent);
}

.demo-title-bar {
  margin-left: auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
}

.stats-bar {
  padding: 0.72rem 1.1rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  flex-shrink: 0;
  background: var(--panel-line-bg-soft);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.stat-label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  font-size: 0.55rem;
}

.stat-value {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
}

.controls {
  padding: 0.75rem 1.1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.72rem;
  flex-shrink: 0;
  flex-wrap: wrap;
  background: var(--panel-line-bg-soft);
}

button {
  cursor: pointer;
  border: none;
  padding: 0.46rem 0.95rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

button:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

.btn-primary {
  background: var(--accent);
  color: var(--button-text-on-accent);
}

.btn-danger {
  color: var(--danger);
  border: 1px solid var(--danger);
  background: transparent;
}

.btn-ghost {
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--ghost-bg);
}

.btn-ghost.active {
  color: var(--button-text-on-accent);
  border-color: var(--accent-cool, var(--accent-2));
  background: var(--accent-2);
}

input[type="text"],
input[type="number"] {
  color: var(--text);
  text-align: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  padding: 0.35rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

input[type="text"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

.info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.45rem 1.25rem;
  background:
    linear-gradient(165deg, var(--panel-gradient-start), var(--panel-gradient-end));
}

.project-number {
  color: var(--accent-2);
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  font-size: 0.58rem;
}

.project-name {
  margin-top: 0.2rem;
  color: var(--text);
  line-height: 1.06;
  letter-spacing: -0.015em;
  font-size: 1.5rem;
  font-weight: 800;
}

.project-name span {
  color: var(--accent);
}

.project-desc {
  color: var(--text-soft);
  line-height: 1.7;
  font-size: 0.84rem;
}

.section-header {
  margin-bottom: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.meta-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.meta-section h3 {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.meta-group {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.meta-label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
  font-size: 0.55rem;
}

.meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
}

.skill-tag {
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--skill-bg);
  padding: 0.3rem 0.62rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.skill-tag.highlight {
  color: var(--accent);
  border-color: var(--skill-highlight-border);
  background: var(--skill-highlight-bg);
}

@media (max-width: 700px) {
  .project-card {
    grid-template-columns: 1fr;
    border-radius: 16px;
  }

  .demo-area {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}