/* --- RESET & BASICS --- */
:root {
  --bg-color: #0d1117;
  --card-bg: #161b22;
  --border-color: #30363d;
  --accent-color: #58a6ff;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --success: #2ea043;
  --danger: #da3633;
  --purple: #bc8cff;
  --font-main: 'Inter', sans-serif;
  --font-code: 'JetBrains Mono', monospace;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  margin: 0; padding: 0;
  min-height: 100vh; overflow-x: hidden;
}

/* --- BACKGROUND FX --- */
.tech-background {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background-image: 
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 40px 40px; opacity: 0.07; z-index: -1;
}

/* --- HEADER --- */
.brand-header {
  background: rgba(22, 27, 34, 0.8); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color); padding: 15px 0;
  position: sticky; top: 0; z-index: 100;
}
.logo-container {
  max-width: 900px; margin: 0 auto; display: flex; align-items: center; gap: 15px; padding: 0 20px;
}
.brand-logo { height: 45px; width: auto; }
.brand-text { display: flex; flex-direction: column; }
.brand-title { font-size: 22px; font-weight: 800; margin: 0; color: #fff; }
.brand-subtitle { font-size: 12px; color: var(--text-secondary); font-family: var(--font-code); }

/* --- CONTAINER --- */
.container { max-width: 800px; margin: 40px auto; padding: 0 20px; }

.search-panel {
  background: var(--card-bg); border: 1px solid var(--border-color);
  border-radius: 12px; padding: 30px; box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  text-align: center; margin-bottom: 30px;
}
.panel-title { color: #fff; margin-top: 0; font-weight: 700; }
.panel-desc { color: var(--text-secondary); font-size: 14px; margin-bottom: 25px; }

/* --- INPUTS --- */
.input-group { position: relative; margin-bottom: 20px; }
.input-icon {
  position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--text-secondary);
}
input[type="text"] {
  width: 100%; background: #0d1117; border: 1px solid var(--border-color);
  color: #fff; padding: 14px 14px 14px 45px; border-radius: 8px;
  font-family: var(--font-code); font-size: 15px; box-sizing: border-box;
}
input[type="text"]:focus { border-color: var(--accent-color); outline: none; }

/* --- CAPTCHA --- */
.captcha-wrapper { display: flex; gap: 10px; margin-bottom: 20px; }
.captcha-preview {
  background: #21262d; color: var(--text-primary); font-family: 'Courier New', monospace;
  font-weight: bold; letter-spacing: 5px; padding: 10px; border-radius: 6px; flex: 1;
  text-align: center; border: 1px dashed var(--border-color); text-decoration: line-through; opacity: 0.8;
}
.refresh-btn { background: var(--card-bg); border: 1px solid var(--border-color); color: var(--text-secondary); width: 45px; }
#captcha-input { padding-left: 15px; text-align: center; }

/* --- BUTTONS --- */
button { cursor: pointer; border-radius: 6px; font-family: var(--font-main); font-weight: 600; }
.verify-btn {
  width: 100%; background: linear-gradient(135deg, #1f6feb, #238636); border: none;
  color: #fff; padding: 15px; font-size: 16px; transition: transform 0.2s, box-shadow 0.2s;
}
.verify-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(35, 134, 54, 0.3); }

/* --- RESULT CARD --- */
#result { display: flex; flex-direction: column; gap: 20px; }

.card {
  background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px;
  padding: 30px; box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  animation: slideUp 0.4s ease-out; position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--accent-color));
}
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.card img {
  width: 120px; height: 120px; border-radius: 50%; border: 3px solid var(--border-color);
  margin: 0 auto 15px; display: block; object-fit: cover;
}
.card h3 { color: #fff; text-align: center; margin: 0 0 5px; }
.card h4 { color: var(--text-secondary); font-size: 14px; text-align: center; margin-top: 0; font-weight: 400; }

.card p {
  margin: 8px 0; display: flex; justify-content: space-between;
  border-bottom: 1px solid rgba(48, 54, 61, 0.5); padding-bottom: 8px; font-size: 14px;
}

/* --- ACTION BUTTONS --- */
.action-buttons { display: flex; gap: 10px; margin-top: 20px; }
.btn-view, .btn-download, .btn-linkedin {
  border: none; padding: 12px; color: #fff; flex: 1; border-radius: 6px; font-size: 14px;
}
.btn-view { background: #3fb950; }
.btn-download { background: #1f6feb; }
.btn-linkedin { background: #0a66c2; width: 100%; margin-top: 10px; display: flex; justify-content: center; align-items: center; gap: 8px; }

/* UTILS */
.spinner {
  border: 4px solid #21262d; border-top: 4px solid var(--accent-color);
  border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 30px auto;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

.toast {
  visibility: hidden; min-width: 250px; background-color: #333; color: #fff;
  text-align: center; border-radius: 4px; padding: 16px; position: fixed; z-index: 999;
  left: 50%; bottom: 30px; transform: translateX(-50%); opacity: 0; transition: 0.5s;
}
.toast.show { visibility: visible; opacity: 1; bottom: 50px; }

/* MOBILE RESPONSIVENESS */
@media (max-width: 600px) {
  .action-buttons { flex-direction: column; }
  .card p { flex-direction: column; gap: 4px; border-bottom: none; margin-bottom: 12px; }
  .card p span { color: #fff; }
}