/* ==========================================================================
   ENTERPRISE INSTITUTIONAL PORTAL - STAFF APPROVAL MODULE
   SLUG: pg-staff-approve
   ========================================================================== */




:root {
  /* Dynamic Theme Variables 
     (Overridden dynamically at runtime by configR.php in HTML) */
  --color-primary: #DC2626;
  --color-secondary: #FFFFFF;
  --color-tertiary: #D4AF37;
  --color-primary-rgb: 220, 38, 38;
  --color-secondary-rgb: 255, 255, 255;
  --color-tertiary-rgb: 212, 175, 55;

  /* Neutrals & Surfaces */
  --pg-approve-bg: #F8FAFC;
  --pg-approve-surface: #FFFFFF;
  --pg-approve-border: #E2E8F0;
  --pg-approve-text-main: #0F172A;
  --pg-approve-text-muted: #64748B;
  --pg-approve-success: #16A34A;
  --pg-approve-success-bg: #DCFCE7;
  --pg-approve-error: #DC2626;
  --pg-approve-error-bg: #FEE2E2;

  /* Elevation */
  --pg-approve-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --pg-approve-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --pg-approve-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Border Radii */
  --pg-approve-radius: 8px;
}


/* --- Base Keyframes --- */
@keyframes pg-staff-approve-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Layout Base --- */
.pg-staff-approve-body {
  background-color: var(--pg-approve-bg);
  color: var(--pg-approve-text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.pg-staff-approve-wrapper {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  box-sizing: border-box;
  animation: pg-staff-approve-fade-in 0.35s ease-in-out;
}

@media (min-width: 768px) {
  .pg-staff-approve-wrapper {
    padding: 2.5rem 2rem;
  }
}

/* --- Page Header Banner --- */
.pg-staff-approve-header {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  justify-content: space-between;
  align-items: flex-start;
  background-color: var(--pg-approve-surface);
  border-left: 5px solid var(--color-primary);
  padding: 1.5rem;
  border-radius: var(--pg-approve-radius);
  box-shadow: var(--pg-approve-shadow-sm);
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .pg-staff-approve-header {
    flex-direction: row;
    align-items: center;
  }
}

.pg-staff-approve-branding {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.pg-staff-approve-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-tertiary);
  box-shadow: var(--pg-approve-shadow-sm);
}

.pg-staff-approve-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pg-approve-text-main);
  line-height: 1.2;
}

.pg-staff-approve-subtitle {
  margin: 0.25rem 0 0 0;
  font-size: 0.875rem;
  color: var(--pg-approve-text-muted);
}

.pg-staff-approve-user-badge {
  background-color: rgba(var(--color-primary-rgb), 0.08);
  border: 1px solid rgba(var(--color-primary-rgb), 0.2);
  padding: 0.5rem 0.875rem;
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.pg-staff-approve-badge-label {
  opacity: 0.75;
}

/* --- Alerts --- */
.pg-staff-approve-alert {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  border-radius: var(--pg-approve-radius);
  margin-bottom: 1.5rem;
  animation: pg-staff-approve-fade-in 0.25s ease-out;
}

.pg-staff-approve-alert-success {
  background-color: var(--pg-approve-success-bg);
  color: var(--pg-approve-success);
  border: 1px solid rgba(22, 163, 74, 0.25);
}

.pg-staff-approve-alert-error {
  background-color: var(--pg-approve-error-bg);
  color: var(--pg-approve-error);
  border: 1px solid rgba(220, 38, 38, 0.25);
}

.pg-staff-approve-alert-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.pg-staff-approve-alert-text {
  font-size: 0.9375rem;
  font-weight: 500;
}

/* --- Content Grid Layout --- */
.pg-staff-approve-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 992px) {
  .pg-staff-approve-grid {
    grid-template-columns: 2.5fr 1fr;
    gap: 2rem;
  }
}

/* --- Cards --- */
.pg-staff-approve-card {
  background-color: var(--pg-approve-surface);
  border: 1px solid var(--pg-approve-border);
  border-radius: var(--pg-approve-radius);
  padding: 1.5rem;
  box-shadow: var(--pg-approve-shadow-sm);
}

@media (min-width: 768px) {
  .pg-staff-approve-card {
    padding: 2rem;
  }
}

.pg-staff-approve-card-accent {
  border-top: 4px solid var(--color-tertiary);
}

.pg-staff-approve-card-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--pg-approve-border);
}

.pg-staff-approve-card-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--pg-approve-text-main);
}

.pg-staff-approve-card-desc {
  margin: 0.35rem 0 0 0;
  font-size: 0.875rem;
  color: var(--pg-approve-text-muted);
}

/* --- Form Controls --- */
.pg-staff-approve-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .pg-staff-approve-form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pg-staff-approve-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.pg-staff-approve-field-full {
  grid-column: 1 / -1;
}

.pg-staff-approve-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pg-approve-text-main);
}

.pg-staff-approve-required {
  color: var(--color-primary);
}

.pg-staff-approve-input,
.pg-staff-approve-select {
  width: 100%;
  padding: 0.65rem 0.875rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--pg-approve-text-main);
  background-color: #FFFFFF;
  border: 1px solid var(--pg-approve-border);
  border-radius: calc(var(--pg-approve-radius) - 2px);
  box-sizing: border-box;
  transition: all 0.25s ease-in-out;
}

.pg-staff-approve-input:focus,
.pg-staff-approve-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

/* --- Actions & Buttons --- */
.pg-staff-approve-actions {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--pg-approve-border);
  display: flex;
  justify-content: flex-end;
}

.pg-staff-approve-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: calc(var(--pg-approve-radius) - 2px);
  cursor: pointer;
  box-shadow: var(--pg-approve-shadow-sm);
  transition: all 0.25s ease-in-out;
  width: 100%;
}

@media (min-width: 768px) {
  .pg-staff-approve-btn-primary {
    width: auto;
  }
}

.pg-staff-approve-btn-primary:hover {
  background-color: var(--color-primary);
  filter: brightness(0.9);
  transform: translateY(-1px);
  box-shadow: var(--pg-approve-shadow-md);
}

.pg-staff-approve-btn-primary:active {
  transform: translateY(0);
}

/* --- Sidebar Panels --- */
.pg-staff-approve-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pg-staff-approve-sidebar-title {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--pg-approve-text-main);
}

.pg-staff-approve-guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pg-staff-approve-guide-item {
  position: relative;
  padding-left: 1rem;
  border-left: 2px solid var(--color-tertiary);
}

.pg-staff-approve-guide-heading {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pg-approve-text-main);
}

.pg-staff-approve-guide-text {
  margin: 0.25rem 0 0 0;
  font-size: 0.8125rem;
  color: var(--pg-approve-text-muted);
  line-height: 1.4;
}

/* --- Metadata List --- */
.pg-staff-approve-info-title {
  margin: 0 0 1rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--pg-approve-text-main);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--pg-approve-border);
}

.pg-staff-approve-info-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.8125rem;
  margin: 0;
}

.pg-staff-approve-info-dt {
  font-weight: 600;
  color: var(--pg-approve-text-muted);
}

.pg-staff-approve-info-dd {
  margin: 0;
  color: var(--pg-approve-text-main);
  font-weight: 500;
}

/* ==========================================
   GLOBAL DESIGN VARIABLES & CONFIGR INTEGRATION
   ========================================== */
:root {
    --color-primary: <?php echo $main_color ?? '#DC2626'; ?>;
    --color-secondary: <?php echo $second_color ?? '#FFFFFF'; ?>;
    --color-tertiary: <?php echo $third_color ?? '#D4AF37'; ?>;
    --color-primary-rgb: <?php echo $primary_rgb ?? '220,38,38'; ?>;
    --color-secondary-rgb: <?php echo $secondary_rgb ?? '255,255,255'; ?>;
    --color-tertiary-rgb: <?php echo $tertiary_rgb ?? '212,175,55'; ?>;

    --pg-session-text-dark: #1E293B;
    --pg-session-text-muted: #64748B;
    --pg-session-border: #E2E8F0;
    --pg-session-bg-subtle: #F8FAFC;
    --pg-session-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --pg-session-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --pg-session-radius: 12px;
}

/* Entry Animation */
@keyframes pg-session-control-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   LAYOUT CONTAINERS (MOBILE-FIRST)
   ========================================== */
.pg-session-control-wrapper {
    width: 100%;
    min-height: calc(100vh - 120px);
    padding: 1rem;
    background-color: var(--pg-session-bg-subtle);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    box-sizing: border-box;
}

.pg-session-control-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: pg-session-control-fade-in 0.35s ease-in-out;
}

/* ==========================================
   HEADER SECTION
   ========================================== */
.pg-session-control-header {
    background: var(--color-secondary);
    padding: 1.25rem 1.5rem;
    border-radius: var(--pg-session-radius);
    border-left: 5px solid var(--color-primary);
    box-shadow: var(--pg-session-shadow-sm);
}

.pg-session-control-brand {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.pg-session-control-logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-tertiary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
    flex-shrink: 0;
}

.pg-session-control-title-group {
    display: flex;
    flex-direction: column;
}

.pg-session-control-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--pg-session-text-dark);
    margin: 0;
    line-height: 1.2;
}

.pg-session-control-subtitle {
    font-size: 0.875rem;
    color: var(--pg-session-text-muted);
    margin: 0.25rem 0 0 0;
}

/* ==========================================
   ALERTS & NOTIFICATIONS
   ========================================== */
.pg-session-control-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 1rem 1.25rem;
    border-radius: var(--pg-session-radius);
    font-size: 0.9rem;
    line-height: 1.4;
    animation: pg-session-control-fade-in 0.25s ease-out;
}

.pg-session-control-alert-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.pg-session-control-alert-body strong {
    display: block;
    margin-bottom: 0.15rem;
}

.pg-session-control-alert-body p {
    margin: 0;
}

.pg-session-control-alert--success {
    background-color: #F0FDF4;
    border: 1px solid #BBF7D0;
    color: #166534;
}

.pg-session-control-alert--success .pg-session-control-alert-icon {
    color: #16A34A;
}

.pg-session-control-alert--error {
    background-color: #FEF2F2;
    border: 1px solid #FECACA;
    color: #991B1B;
}

.pg-session-control-alert--error .pg-session-control-alert-icon {
    color: #DC2626;
}

/* ==========================================
   GRID STRUCTURE & CARDS
   ========================================== */
.pg-session-control-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.pg-session-control-card {
    background: var(--color-secondary);
    border-radius: var(--pg-session-radius);
    border: 1px solid var(--pg-session-border);
    box-shadow: var(--pg-session-shadow-sm);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pg-session-control-card:hover {
    box-shadow: var(--pg-session-shadow-md);
}

.pg-session-control-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--pg-session-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #FFFFFF;
}

.pg-session-control-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--pg-session-text-dark);
    margin: 0;
}

.pg-session-control-badge {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pg-session-control-card-body {
    padding: 1.5rem;
}

/* Current State Panel */
.pg-session-control-card--status {
    background: linear-gradient(180deg, #FFFFFF 0%, rgba(var(--color-primary-rgb), 0.02) 100%);
}

.pg-session-control-stat {
    margin-bottom: 1.25rem;
}

.pg-session-control-stat-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pg-session-text-muted);
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.pg-session-control-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.pg-session-control-meta {
    padding-top: 1rem;
    border-top: 1px dashed var(--pg-session-border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--pg-session-text-muted);
}

/* ==========================================
   FORM INPUTS & BUTTONS
   ========================================== */
.pg-session-control-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pg-session-control-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pg-session-control-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pg-session-text-dark);
}

.pg-session-control-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--pg-session-border);
    border-radius: 8px;
    background-color: #FFFFFF;
    color: var(--pg-session-text-dark);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%20%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    box-sizing: border-box;
}

.pg-session-control-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.pg-session-control-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 4px rgba(var(--color-primary-rgb), 0.2);
}

.pg-session-control-btn:hover {
    background-color: rgba(var(--color-primary-rgb), 0.9);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(var(--color-primary-rgb), 0.3);
}

.pg-session-control-btn:active {
    transform: translateY(0);
}

/* ==========================================
   DESKTOP RESPONSIVE SCALING (768px+)
   ========================================== */
@media (min-width: 768px) {
    .pg-session-control-wrapper {
        padding: 2rem;
    }

    .pg-session-control-grid {
        grid-template-columns: 1fr 1.5fr;
        align-items: start;
    }

    .pg-session-control-title {
        font-size: 1.65rem;
    }

    .pg-session-control-meta {
        flex-direction: row;
        justify-content: space-between;
    }

    .pg-session-control-btn {
        width: auto;
        align-self: flex-start;
    }
}


/* ==========================================================================
   Page-Specific Architecture: Courseware List (.pg-courseware-*)
   Strictly scoped to prevent style bleed across tenant portals.
   ========================================================================== */

/* Keyframe Animations */
@keyframes pg-courseware-fade-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pg-courseware-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Base Layout Container */
.pg-courseware-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #1f2937;
}

@media (min-width: 768px) {
    .pg-courseware-container {
        padding: 2rem;
    }
}

/* Header Banner */
.pg-courseware-banner {
    background-color: var(--color-primary);
    background-image: linear-gradient(135deg, var(--color-primary), rgba(var(--color-primary-rgb), 0.85));
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    animation: pg-courseware-fade-in 0.4s ease-out forwards;
}

@media (min-width: 768px) {
    .pg-courseware-banner {
        flex-direction: row;
        align-items: center;
        padding: 2rem;
    }
}

.pg-courseware-banner-branding {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

/* Circular Logo Constraint */
.pg-courseware-logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-tertiary);
    background-color: var(--color-secondary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .pg-courseware-logo {
        width: 76px;
        height: 76px;
    }
}

.pg-courseware-banner-info {
    color: var(--color-secondary);
}

.pg-courseware-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--color-secondary);
}

@media (min-width: 768px) {
    .pg-courseware-title {
        font-size: 1.875rem;
    }
}

.pg-courseware-subtitle {
    margin: 0.35rem 0 0 0;
    font-size: 0.9rem;
    opacity: 0.9;
    color: var(--color-secondary);
}

.pg-courseware-badge {
    background-color: rgba(var(--color-secondary-rgb), 0.15);
    border: 1px solid rgba(var(--color-secondary-rgb), 0.3);
    color: var(--color-secondary);
    padding: 0.4rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.775rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
}

/* Alert Boxes */
.pg-courseware-alert {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    animation: pg-courseware-fade-in 0.35s ease-out forwards;
}

.pg-courseware-alert-danger {
    background-color: #fef2f2;
    border-left: 5px solid #dc2626;
    color: #991b1b;
}

.pg-courseware-alert-icon {
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.pg-courseware-alert-heading {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    font-weight: 700;
}

.pg-courseware-alert-content p {
    margin: 0;
    font-size: 0.925rem;
    line-height: 1.5;
}

/* Section Header */
.pg-courseware-section-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .pg-courseware-section-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.pg-courseware-section-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
}

.pg-courseware-count-pill {
    align-self: flex-start;
    background-color: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.825rem;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
}

/* Course Grid */
.pg-courseware-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .pg-courseware-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pg-courseware-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Course Cards */
.pg-courseware-card {
    background-color: var(--color-secondary);
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    transition: transform 0.25s ease-in-out, box-shadow 0.25s ease-in-out, border-color 0.25s ease-in-out;
    animation: pg-courseware-fade-in 0.4s ease-out cubic-bezier(0.16, 1, 0.3, 1) forwards;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.pg-courseware-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.12);
    border-color: rgba(var(--color-primary-rgb), 0.3);
}

.pg-courseware-card-header {
    padding: 1.25rem 1.25rem 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed #f3f4f6;
}

.pg-courseware-code-badge {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

.pg-courseware-class-badge {
    background-color: #f3f4f6;
    color: #4b5563;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.pg-courseware-card-body {
    padding: 1.25rem;
    flex-grow: 1;
}

.pg-courseware-course-title {
    margin: 0 0 0.75rem 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: #111827;
    line-height: 1.35;
}

.pg-courseware-instructor {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 0.85rem;
}

.pg-courseware-instructor svg {
    color: var(--color-tertiary);
    flex-shrink: 0;
}

.pg-courseware-description {
    margin: 0;
    font-size: 0.875rem;
    color: #4b5563;
    line-height: 1.5;
}

.pg-courseware-card-footer {
    padding: 1rem 1.25rem 1.25rem 1.25rem;
    background-color: #fafafa;
    border-top: 1px solid #f3f4f6;
}

/* Action Button */
.pg-courseware-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.65rem 1rem;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    box-sizing: border-box;
    transition: background-color 0.25s ease-in-out, transform 0.2s ease, box-shadow 0.2s ease;
}

.pg-courseware-btn:hover {
    background-color: rgba(var(--color-primary-rgb), 0.9);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.25);
}

.pg-courseware-btn:active {
    transform: scale(0.98);
}

.pg-courseware-btn svg {
    transition: transform 0.2s ease;
}

.pg-courseware-btn:hover svg {
    transform: translateX(4px);
}

/* Empty State Styling */
.pg-courseware-empty-state {
    text-align: center;
    padding: 3.5rem 1.5rem;
    background-color: var(--color-secondary);
    border: 2px dashed #e5e7eb;
    border-radius: 12px;
    margin-top: 1rem;
}

.pg-courseware-empty-icon {
    color: #9ca3af;
    margin-bottom: 1rem;
}

.pg-courseware-empty-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: #374151;
}

.pg-courseware-empty-desc {
    margin: 0 auto;
    max-width: 420px;
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.5;
}



/* ==========================================================================
   PAGE STYLES: EDIT PROFILE (.pg-editprofile-)
   ========================================================================== */

/* Animation Keyframes */
@keyframes pg-editprofile-fade-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Base Wrapper & Container */
.pg-editprofile-wrapper {
  width: 100%;
  min-height: 100vh;
  padding: 1.5rem 1rem;
  background-color: rgba(var(--color-primary-rgb), 0.03);
  box-sizing: border-box;
}

.pg-editprofile-container {
  max-width: 800px;
  margin: 0 auto;
  animation: pg-editprofile-fade-in 0.35s ease-in-out;
}

/* Header Section */
.pg-editprofile-header {
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
}

.pg-editprofile-heading {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  color: #1f2937;
  line-height: 1.2;
}

.pg-editprofile-subheading {
  margin: 0.35rem 0 0 0;
  font-size: 0.9rem;
  color: #6b7280;
}

/* Feedback Alert Banners */
.pg-editprofile-alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  transition: all 0.25s ease-in-out;
}

.pg-editprofile-alert-success {
  background-color: #ecfdf5;
  border: 1px solid #10b981;
  color: #065f46;
}

.pg-editprofile-alert-error {
  background-color: #fef2f2;
  border: 1px solid #ef4444;
  color: #991b1b;
}

.pg-editprofile-alert-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-weight: bold;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.pg-editprofile-alert-success .pg-editprofile-alert-icon {
  background-color: #10b981;
  color: #ffffff;
}

.pg-editprofile-alert-error .pg-editprofile-alert-icon {
  background-color: #ef4444;
  color: #ffffff;
}

.pg-editprofile-alert-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.5rem;
}

.pg-editprofile-alert-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
}

/* Main Profile Card */
.pg-editprofile-card {
  background-color: var(--color-secondary);
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 1.5rem;
}

/* Avatar Header Section */
.pg-editprofile-avatar-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.pg-editprofile-avatar-frame {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-tertiary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  background-color: rgba(var(--color-primary-rgb), 0.05);
  flex-shrink: 0;
}

.pg-editprofile-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.pg-editprofile-user-name {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
}

.pg-editprofile-user-id {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background-color: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  border-radius: 12px;
}

.pg-editprofile-divider {
  border: 0;
  height: 1px;
  background-color: #e5e7eb;
  margin: 1.5rem 0;
}

/* Form Styles & Layout */
.pg-editprofile-section-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pg-editprofile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.pg-editprofile-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.pg-editprofile-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #374151;
}

.pg-editprofile-input,
.pg-editprofile-select,
.pg-editprofile-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  color: #1f2937;
  background-color: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  box-sizing: border-box;
  transition: all 0.25s ease-in-out;
}

.pg-editprofile-input:focus,
.pg-editprofile-select:focus,
.pg-editprofile-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.pg-editprofile-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Actions Section */
.pg-editprofile-actions {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e5e7eb;
}

.pg-editprofile-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease-in-out;
}

.pg-editprofile-btn-primary {
  background-color: var(--color-primary);
  color: var(--color-secondary);
}

.pg-editprofile-btn-primary:hover {
  opacity: 0.9;
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.25);
}

.pg-editprofile-btn-secondary {
  background-color: #f3f4f6;
  color: #374151;
  border-color: #d1d5db;
}

.pg-editprofile-btn-secondary:hover {
  background-color: #e5e7eb;
}

/* Empty State Styling */
.pg-editprofile-empty-card {
  background-color: var(--color-secondary);
  border-radius: 12px;
  padding: 3rem 1.5rem;
  text-align: center;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.pg-editprofile-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.pg-editprofile-empty-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
  color: #111827;
}

.pg-editprofile-empty-desc {
  margin: 0 0 1.5rem 0;
  color: #6b7280;
  font-size: 0.95rem;
}

/* Breakpoint Scaling (Desktop / Tablet) */
@media (min-width: 768px) {
  .pg-editprofile-wrapper {
    padding: 2.5rem 1.5rem;
  }

  .pg-editprofile-avatar-section {
    flex-direction: row;
    text-align: left;
  }

  .pg-editprofile-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pg-editprofile-group-full {
    grid-column: span 2;
  }

  .pg-editprofile-actions {
    flex-direction: row;
    justify-content: flex-end;
  }

  .pg-editprofile-btn {
    width: auto;
  }
}



<!-- NAMESPACED PAGE CSS -->


@keyframes pg-emailer-fade-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pg-emailer-container {
    padding: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    animation: pg-emailer-fade-in 0.35s ease-in-out;
}

.pg-emailer-header {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: var(--color-secondary);
    border-left: 5px solid var(--color-primary);
    padding: 1.25rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

.pg-emailer-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.pg-emailer-subtitle {
    margin: 0;
    font-size: 0.875rem;
    color: #4b5563;
}

.pg-emailer-alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.938rem;
    font-weight: 500;
    transition: all 0.25s ease-in-out;
}

.pg-emailer-alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.pg-emailer-alert-warning {
    background-color: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.pg-emailer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.pg-emailer-left-col {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .pg-emailer-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .pg-emailer-grid {
        grid-template-columns: 360px 1fr;
    }
}

.pg-emailer-card {
    background: var(--color-secondary);
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pg-emailer-card-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 2px solid rgba(var(--color-primary-rgb), 0.1);
    padding-bottom: 0.5rem;
}

/* FORM ELEMENTS STYLING */
.pg-emailer-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.pg-emailer-input-field,
.pg-emailer-textarea-field {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: #1f2937;
    background-color: #ffffff;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

.pg-emailer-input-field:focus,
.pg-emailer-textarea-field:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.pg-emailer-btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: 0.375rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.1s ease;
}

.pg-emailer-btn-submit:hover {
    opacity: 0.92;
}

.pg-emailer-btn-submit:active {
    transform: scale(0.99);
}

.pg-emailer-info-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pg-emailer-info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.pg-emailer-info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #6b7280;
    font-weight: 600;
}

.pg-emailer-info-value {
    font-size: 0.938rem;
    color: #111827;
    font-weight: 500;
    word-break: break-all;
}

.pg-emailer-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--color-tertiary);
    color: #000000;
    width: fit-content;
}

.pg-emailer-preview-frame {
    width: 100%;
    min-height: 650px;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background: #f9fafb;
}

.pg-emailer-logo-img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-tertiary);
}

.pg-emailer-branding-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Root CSS Variables Mapping from configR.php */
:root {
    --color-primary: <?php echo $main_color; ?>;
    --color-secondary: <?php echo $second_color; ?>;
    --color-tertiary: <?php echo $third_color; ?>;
    --color-primary-rgb: <?php echo $primary_rgb; ?>;
    --color-secondary-rgb: <?php echo $secondary_rgb; ?>;
    --color-tertiary-rgb: <?php echo $tertiary_rgb; ?>;
}

/* Base Page Keyframes */
@keyframes pg-lecturers-assign-fade-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pg-lecturers-assign-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

/* Page Scoped Container */
.pg-lecturers-assign-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    animation: pg-lecturers-assign-fade-in 0.35s ease-in-out;
}

/* Header & Institutional Branding */
.pg-lecturers-assign-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    background: var(--color-secondary);
    border-left: 5px solid var(--color-primary);
    padding: 1.25rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

.pg-lecturers-assign-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pg-lecturers-assign-logo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-tertiary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.pg-lecturers-assign-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
    line-height: 1.2;
}

.pg-lecturers-assign-subtitle {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

/* Dynamic Alert Banners */
.pg-lecturers-assign-alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: pg-lecturers-assign-fade-in 0.25s ease-out;
}

.pg-lecturers-assign-alert--success {
    background-color: rgba(16, 185, 129, 0.12);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.pg-lecturers-assign-alert--error {
    background-color: rgba(239, 68, 68, 0.12);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Form Card Layout */
.pg-lecturers-assign-card {
    background: var(--color-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(var(--color-primary-rgb), 0.08);
}

.pg-lecturers-assign-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(var(--color-primary-rgb), 0.1);
}

.pg-lecturers-assign-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

/* Input Fields */
.pg-lecturers-assign-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.pg-lecturers-assign-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.pg-lecturers-assign-select,
.pg-lecturers-assign-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 1.5px solid #d1d5db;
    background-color: #f9fafb;
    color: #111827;
    transition: all 0.25s ease-in-out;
    box-sizing: border-box;
}

.pg-lecturers-assign-select:focus,
.pg-lecturers-assign-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

/* Action Controls */
.pg-lecturers-assign-actions {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pg-lecturers-assign-btn-primary {
    width: 100%;
    padding: 0.85rem 1.5rem;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease-in-out;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.25);
}

.pg-lecturers-assign-btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(var(--color-primary-rgb), 0.35);
}

.pg-lecturers-assign-btn-primary:active {
    transform: translateY(0);
}

.pg-lecturers-assign-btn-secondary {
    width: 100%;
    padding: 0.85rem 1.5rem;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease-in-out;
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
}

.pg-lecturers-assign-btn-secondary:hover {
    background-color: rgba(var(--color-primary-rgb), 0.08);
}

/* Responsive Grid Extensions */
@media (min-width: 768px) {
    .pg-lecturers-assign-wrapper {
        padding: 2rem;
    }

    .pg-lecturers-assign-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .pg-lecturers-assign-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pg-lecturers-assign-field--full {
        grid-column: span 2;
    }

    .pg-lecturers-assign-actions {
        flex-direction: row;
        justify-content: flex-end;
    }

    .pg-lecturers-assign-btn-primary,
    .pg-lecturers-assign-btn-secondary {
        width: auto;
        min-width: 180px;
    }
}