/* ==========================================================================
   SILICON INSTITUTE OF TECHNOLOGY / SILICON UNIVERSITY
   EXAMINATION MANAGEMENT SYSTEM (EMS) - STYLESHEET
   Clean, institutional, non-fancy portal aesthetic
   ========================================================================== */

:root {
  --primary-blue: #0E4194;
  --primary-blue-dark: #092c68;
  --primary-blue-light: #1e5fc2;
  --header-bg: #0c2340;
  --topbar-bg: #081628;
  --bg-page: #f1f4f9;
  --bg-surface: #ffffff;
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --text-light: #6b7280;
  --border-color: #cbd5e1;
  --border-dark: #94a3b8;
  --accent-gold: #c28e19;
  --success-color: #0d8a43;
  --danger-color: #c5221f;
  --danger-bg: #fee2e2;
  --success-bg: #dcfce7;
  --info-bg: #e0f2fe;
  --info-border: #7dd3fc;
  --box-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   Top Utility Bar & Institutional Header
   -------------------------------------------------------------------------- */
.gov-topbar {
  background-color: var(--topbar-bg);
  color: #94a3b8;
  font-size: 12px;
  padding: 6px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #1e293b;
}

.gov-topbar-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.gov-topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.gov-topbar a {
  color: #cbd5e1;
  text-decoration: none;
}

.gov-topbar a:hover {
  text-decoration: underline;
}

.main-header {
  background: var(--bg-surface);
  border-bottom: 3px solid var(--primary-blue);
  box-shadow: var(--box-shadow-sm);
  padding: 12px 24px;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-title-main {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: -0.2px;
  line-height: 1.2;
}

.brand-title-sub {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-badge {
  text-align: right;
  border-left: 1px solid var(--border-color);
  padding-left: 18px;
}

.portal-title {
  font-size: 15px;
  font-weight: 700;
  color: #1e293b;
}

.portal-subtitle {
  font-size: 11px;
  color: var(--accent-gold);
  font-weight: 600;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Main Container
   -------------------------------------------------------------------------- */
.content-wrapper {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 24px auto;
  padding: 0 16px;
}

/* --------------------------------------------------------------------------
   Login Section
   -------------------------------------------------------------------------- */
.login-layout {
  max-width: 480px;
  margin: 30px auto;
}

.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.login-header {
  background-color: var(--header-bg);
  color: #ffffff;
  padding: 16px 20px;
  border-bottom: 2px solid var(--primary-blue-light);
}

.login-header h2 {
  font-size: 17px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-header p {
  font-size: 12px;
  color: #93c5fd;
  margin-top: 4px;
}

.login-body {
  padding: 24px 24px 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger-color);
}

.input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input, .form-select {
  width: 100%;
  padding: 9px 12px;
  font-size: 14px;
  border: 1px solid var(--border-dark);
  border-radius: 3px;
  background-color: #fff;
  color: var(--text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 2px rgba(14, 65, 148, 0.2);
}

.form-input.font-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.pwd-toggle-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 12px;
  text-decoration: underline;
}

.pwd-toggle-btn:hover {
  color: var(--primary-blue);
}

/* Captcha styling */
.captcha-container {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.captcha-box {
  background: #e2e8f0;
  border: 1px dashed #94a3b8;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 4px;
  color: #1e293b;
  user-select: none;
  text-decoration: line-through;
  background-image: linear-gradient(45deg, rgba(0,0,0,0.03) 25%, transparent 25%, transparent 50%, rgba(0,0,0,0.03) 50%, rgba(0,0,0,0.03) 75%, transparent 75%, transparent);
  background-size: 8px 8px;
}

.captcha-refresh-btn {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-muted);
}

.captcha-refresh-btn:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

.captcha-input {
  width: 110px;
  text-align: center;
  font-weight: 600;
  letter-spacing: 2px;
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 10px 16px;
  background-color: var(--primary-blue);
  color: #ffffff;
  border: 1px solid var(--primary-blue-dark);
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.15s ease;
}

.btn-primary:hover {
  background-color: var(--primary-blue-dark);
}

.btn-primary:active {
  transform: translateY(1px);
}

.login-hint-box {
  margin-top: 18px;
  background-color: var(--info-bg);
  border: 1px solid var(--info-border);
  border-radius: 3px;
  padding: 10px 12px;
  font-size: 12px;
  color: #0369a1;
}

.login-hint-box strong {
  color: #0c4a6e;
}

.login-hint-btn {
  margin-top: 6px;
  background: #0284c7;
  color: #fff;
  border: none;
  padding: 4px 8px;
  font-size: 11px;
  border-radius: 2px;
  cursor: pointer;
}

.login-hint-btn:hover {
  background: #0369a1;
}

.alert-error {
  display: none;
  background-color: var(--danger-bg);
  border: 1px solid #f87171;
  color: var(--danger-color);
  padding: 10px 14px;
  border-radius: 3px;
  font-size: 13px;
  margin-bottom: 16px;
}

.login-footer-info {
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  padding: 12px 20px;
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Logged In Results Dashboard
   -------------------------------------------------------------------------- */
.dashboard-view {
  display: none;
}

.dashboard-user-bar {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 12px 20px;
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  box-shadow: var(--box-shadow-sm);
}

.user-identity {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-dark);
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--box-shadow-sm);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.user-meta-name {
  font-size: 15px;
  font-weight: 700;
  color: #1e293b;
}

.user-meta-details {
  font-size: 12px;
  color: var(--text-muted);
}

.user-meta-details span {
  margin-right: 12px;
}

.user-bar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary {
  padding: 7px 14px;
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-dark);
  border-radius: 3px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #64748b;
}

.btn-danger-outline {
  padding: 7px 14px;
  background: #fff;
  color: var(--danger-color);
  border: 1px solid #f87171;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.btn-danger-outline:hover {
  background: var(--danger-bg);
}

/* Quick Summary Stat Cards */
.results-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 14px 16px;
  border-left: 4px solid var(--primary-blue);
  box-shadow: var(--box-shadow-sm);
}

.stat-card.highlight {
  border-left-color: var(--accent-gold);
  background: #fffdfa;
}

.stat-card.status-pass {
  border-left-color: var(--success-color);
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-light);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: #1e293b;
  margin-top: 4px;
  font-family: var(--font-mono);
}

.stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Action & View Toolbar */
.portal-toolbar {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px 4px 0 0;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 2px solid var(--primary-blue);
}

.view-tabs {
  display: flex;
  gap: 6px;
}

.view-tab-btn {
  padding: 7px 16px;
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  border-bottom: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 3px 3px 0 0;
}

.view-tab-btn.active {
  background: var(--primary-blue);
  color: #ffffff;
  border-color: var(--primary-blue);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-action-primary {
  padding: 7px 14px;
  background: var(--primary-blue);
  color: #ffffff;
  border: 1px solid var(--primary-blue-dark);
  border-radius: 3px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn-action-primary:hover {
  background: var(--primary-blue-dark);
}

/* Result Sheet Display Wrapper */
.result-display-wrapper {
  background: #cbd5e1;
  padding: 24px 16px;
  border: 1px solid var(--border-color);
  border-top: none;
  display: flex;
  justify-content: center;
}

.pdf-embed-wrapper {
  display: none;
  width: 100%;
  height: 850px;
  background: #fff;
  border: 1px solid var(--border-color);
}

.pdf-embed-wrapper object,
.pdf-embed-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.main-footer {
  background-color: var(--header-bg);
  color: #cbd5e1;
  border-top: 3px solid var(--primary-blue);
  padding: 24px 20px 16px;
  margin-top: auto;
  font-size: 12px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 32px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 13px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col p {
  color: #94a3b8;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col ul li a {
  color: #94a3b8;
  text-decoration: none;
}

.footer-col ul li a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  max-width: 1200px;
  margin: 18px auto 0;
  padding-top: 14px;
  border-top: 1px solid #1e293b;
  text-align: center;
  color: #64748b;
  font-size: 11px;
}

/* --------------------------------------------------------------------------
   Modal Dialogs (Grading Scheme / Info)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  justify-content: center;
  align-items: center;
  padding: 16px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-dialog {
  background: #ffffff;
  border-radius: 4px;
  width: 100%;
  max-width: 560px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.modal-header {
  background: var(--header-bg);
  color: #ffffff;
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.modal-close-btn {
  background: none;
  border: none;
  color: #cbd5e1;
  font-size: 20px;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: #ffffff;
}

.modal-body {
  padding: 18px;
  font-size: 13px;
  color: var(--text-main);
  max-height: 70vh;
  overflow-y: auto;
}

.modal-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 12px;
}

.modal-table th, .modal-table td {
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  text-align: left;
}

.modal-table th {
  background: #f1f5f9;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Responsive Rules
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .gov-topbar-left, .gov-topbar-right {
    font-size: 11px;
  }
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-badge {
    border-left: none;
    padding-left: 0;
    text-align: left;
    margin-top: 6px;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .dashboard-user-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .result-display-wrapper {
    padding: 10px 4px;
    background: transparent;
  }
}