/* ==========================================================================
   NCCER Credential Search — Page 1
   Colors sampled directly from reference screenshot:
   background #F5F5F5 | title #000 | subtitle #717273
   input border #C4C4C4 | button #172535 | logo orange #FC7449
   ========================================================================== */

:root {
  --color-bg: #f5f5f5;
  --color-title: #0a0a0a;
  --color-subtitle: #6f7071;
  --color-border: #c9c9c9;
  --color-button: #172535;
  --color-button-hover: #22334a;
  --color-white: #ffffff;
  --color-placeholder: #9a9a9a;
  --color-error: #c0392b;
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  font-family: var(--font-body);
  min-height: 100vh;
  color: var(--color-title);
}

/* Header / logo */
.site-header {
  padding: 28px 0 0 32px;
}

.logo {
  height: 34px;
  width: auto;
  display: block;
}

/* Main search area */
.search-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 56px 24px 0 24px;
  text-align: center;
}

.search-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-title);
  margin: 0 0 14px 0;
  letter-spacing: -0.01em;
}

.search-subtitle {
  font-size: 15px;
  font-weight: 400;
  color: var(--color-subtitle);
  margin: 0 0 24px 0;
  max-width: 800px;
  line-height: 1.5;
}

/* Search form */
.search-form {
  display: flex;
  align-items: stretch;
  gap: 12px;
  width: 100%;
  max-width: 620px;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: #9a9a9a;
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 46px;
  padding: 0 16px 0 40px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-title);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-input::placeholder {
  color: var(--color-placeholder);
}

.search-input:focus {
  border-color: #8a8a8a;
  box-shadow: 0 0 0 3px rgba(23, 37, 53, 0.08);
}

.search-input.input-error {
  border-color: var(--color-error);
}

.search-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  background: var(--color-button);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease;
}

.search-button:hover {
  background: var(--color-button-hover);
}

.search-button:active {
  background: #0e1826;
}

.search-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
}

.search-button.loading .btn-label {
  display: none;
}

.search-button.loading .btn-spinner {
  display: inline-block;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error message */
.search-error {
  max-width: 620px;
  width: 100%;
  margin: 14px 0 0 0;
  font-size: 13.5px;
  color: var(--color-error);
  min-height: 1px;
  display: none;
}

.search-error.visible {
  display: block;
}

/* Responsive */
@media (max-width: 640px) {
  .site-header {
    padding: 20px 0 0 20px;
  }

  .logo {
    height: 26px;
  }

  .search-page {
    padding: 40px 20px 0 20px;
  }

  .search-title {
    font-size: 22px;
  }

  .search-subtitle {
    font-size: 13.5px;
    max-width: 100%;
  }

  .search-form {
    flex-direction: column;
    gap: 10px;
  }

  .search-button {
    width: 100%;
  }
}