* { box-sizing: border-box; margin: 0; padding: 0; }
body { background-color: #0d1117; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; display: flex; justify-content: center; align-items: center; height: 100vh; color: #c9d1d9; }
.verify-panel { background: #161b22; padding: 40px 30px; width: 90%; max-width: 350px; border-radius: 16px; border: 1px solid #30363d; box-shadow: 0 8px 24px rgba(0,0,0,0.3); display: flex; flex-direction: column; gap: 20px; align-items: center; }
.panel-header { text-align: center; }
.panel-header h2 { font-size: 1.25rem; color: #f0f6fc; margin-bottom: 8px; }
.panel-header p { font-size: 0.85rem; color: #8b949e; }

.submit-btn { width: 100%; padding: 12px; background: #238636; border: none; border-radius: 6px; color: white; font-weight: 600; cursor: pointer; transition: background 0.2s; }
.submit-btn:hover { background: #2ea043; }
.submit-btn:disabled { background: #30363d; cursor: not-allowed; }

.verify-img { height: 44px; width: 140px; background: #0d1117; border-radius: 6px; cursor: pointer; border: 1px solid #30363d; object-fit: cover; margin-bottom: 15px;}
.input-field { width: 100%; padding: 12px; background: #0d1117; border: 1px solid #30363d; border-radius: 6px; color: white; font-size: 1rem; outline: none; margin-bottom: 15px; }
.input-field:focus { border-color: #58a6ff; }

.toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); padding: 12px 24px; border-radius: 6px; color: white; font-size: 0.9rem; z-index: 9999; box-shadow: 0 4px 12px rgba(0,0,0,0.3); display: none; }
.toast.error { background-color: #da3633; }
.toast.success { background-color: #238636; }