/* 
 * IDI Academic Management - Master Stylesheet
 * Version: 2.0.0
 * Aesthetic: Modern Premium Academic
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --idi-primary: #0a1128;
    --idi-primary-light: #1c2541;
    --idi-primary-hover: #16203a;
    --idi-secondary: #3a506b;
    --idi-accent: #3b82f6; /* Premium Blue Accent */
    --idi-accent-hover: #2563eb;
    --idi-accent-light: #eff6ff;
    --idi-success: #10b981;
    --idi-bg-main: #f4f7f6;
    --idi-bg-card: rgba(255, 255, 255, 0.85); /* Glassmorphism base */
    --idi-border: rgba(100, 116, 139, 0.15);
    --idi-text-main: #1e293b;
    --idi-text-muted: #64748b;
    --idi-text-inv: #ffffff;
    --idi-warning: #f59e0b;
    --idi-danger: #ef4444;
    
    --idi-font-display: 'Outfit', sans-serif;
    --idi-font-body: 'Plus Jakarta Sans', sans-serif;

    --idi-radius-xl: 20px;
    --idi-radius-lg: 16px;
    --idi-radius-md: 10px;
    --idi-radius-sm: 6px;
    --idi-radius-full: 9999px;

    --idi-shadow-sm: 0 2px 8px rgba(10, 17, 40, 0.04);
    --idi-shadow: 0 10px 30px rgba(10, 17, 40, 0.06);
    --idi-shadow-hover: 0 20px 40px rgba(10, 17, 40, 0.12);
    --idi-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.04);
    
    --idi-transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --idi-glass-blur: blur(12px);
}

.idi-wrap-base {
    font-family: var(--idi-font-body);
    color: var(--idi-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout Structures */
.idi-admin-shell {
    max-width: 100% !important;
    width: 100%;
    margin: 0;
    padding: 0; /* Fully flush to edges */
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0; /* No structural gap, padding handled by main */
    font-family: var(--idi-font-body);
    box-sizing: border-box;
    min-height: 100vh;
}

.idi-admin-main {
    padding: 2rem;
    box-sizing: border-box;
    max-width: calc(100vw - 260px);
    overflow-x: hidden;
}

.idi-public-wrap {
    max-width: 1120px;
    margin: 2rem auto;
    padding: 3rem;
    background: var(--idi-bg-card);
    backdrop-filter: var(--idi-glass-blur);
    -webkit-backdrop-filter: var(--idi-glass-blur);
    border: 1px solid var(--idi-border);
    border-radius: var(--idi-radius-xl);
    box-shadow: var(--idi-shadow);
    color: var(--idi-text-main);
    font-family: var(--idi-font-body);
    position: relative;
    overflow: hidden;
}

.idi-public-wrap::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--idi-primary), var(--idi-accent));
}

/* Typography elements */
.idi-admin-wrap {
    width: 100%;
    margin: 0;
    padding: 0;
    font-family: var(--idi-font-body);
}

.idi-public-wrap h1, .idi-public-wrap h2, .idi-public-wrap h3, 
.idi-public-wrap h4, .idi-public-wrap h5, .idi-public-wrap h6,
.idi-admin-wrap h1, .idi-admin-wrap h2, .idi-admin-wrap h3 {
    font-family: var(--idi-font-display);
    color: var(--idi-primary);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* Sidebar & Navigation */
.idi-admin-sidebar {
    background: var(--idi-primary);
    color: #cbd5e1;
    border-radius: 0; /* Edge to edge, no rounded corners */
    padding: 1.5rem;
    position: sticky;
    top: 0; /* Flush to top */
    height: 100vh;
    max-height: 100vh;
    overflow-y: auto;
    box-shadow: var(--idi-shadow);
    background-image: linear-gradient(180deg, var(--idi-primary) 0%, var(--idi-primary-light) 100%);
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}

.idi-admin-sidebar::-webkit-scrollbar {
    width: 6px;
}
.idi-admin-sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.idi-admin-sidebar::-webkit-scrollbar-thumb {
    background-color: rgba(255,255,255,0.2);
    border-radius: 6px;
}

.idi-admin-sidebar-brand {
    color: var(--idi-text-inv);
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
    font-family: var(--idi-font-display);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.idi-admin-sidebar-brand::before {
    content: '';
    display: block;
    width: 24px;
    height: 24px;
    background: var(--idi-accent);
    border-radius: 6px;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
}

.idi-nav-section + .idi-nav-section {
    margin-top: 0.75rem;
}

.idi-nav-section-title {
    margin: 0 0 0.8rem;
    color: #94a3b8;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: var(--idi-font-body);
}

.idi-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.idi-nav-link {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.8rem;
    border-radius: var(--idi-radius-md);
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--idi-transition);
    border: 1px solid transparent;
}

.idi-nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--idi-text-inv);
    transform: translateX(4px);
    border-color: rgba(255, 255, 255, 0.1);
}

.idi-nav-link.is-active {
    background: var(--idi-accent);
    color: var(--idi-text-inv);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Components: Cards & Grids */
.idi-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.idi-grid-2 { grid-template-columns: repeat(2, 1fr); }
.idi-grid-3 { grid-template-columns: repeat(3, 1fr); }
.idi-grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.idi-card {
    background: #ffffff;
    border: 1px solid var(--idi-border);
    border-radius: var(--idi-radius-lg);
    padding: 2rem;
    transition: var(--idi-transition);
    position: relative;
    z-index: 1;
    box-shadow: var(--idi-shadow-sm);
    display: flex;
    flex-direction: column;
}

.idi-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--idi-radius-lg);
    box-shadow: var(--idi-shadow-hover);
    opacity: 0;
    transition: var(--idi-transition);
    z-index: -1;
}

.idi-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
}

.idi-card:hover::after {
    opacity: 1;
}

.idi-program-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--idi-radius-md);
    margin-bottom: 1.5rem;
    transition: var(--idi-transition);
}

.idi-card:hover .idi-program-card-image {
    transform: scale(1.02);
}

/* Custom Teacher Listing View */
.idi-teacher-listing-view {
    max-width: 380px !important;
    margin: 3rem auto;
    padding: 0 !important;
    overflow: hidden;
    font-size: 0.95rem;
    border: 1px solid var(--idi-border);
    border-radius: var(--idi-radius-xl);
    background: var(--idi-bg-card);
    backdrop-filter: var(--idi-glass-blur);
    box-shadow: var(--idi-shadow);
}

.idi-teacher-header {
    text-align: center;
    background: linear-gradient(135deg, var(--idi-primary) 0%, var(--idi-secondary) 100%);
    color: var(--idi-text-inv);
    padding: 3rem 2rem 2.5rem;
    position: relative;
    overflow: hidden;
}

.idi-teacher-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotateBg 20s linear infinite;
}

@keyframes rotateBg {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.idi-teacher-header h1 {
    margin: 1.5rem 0 0.5rem;
    font-size: 1.75rem;
    color: var(--idi-text-inv);
    font-family: var(--idi-font-display);
    position: relative;
    z-index: 2;
}

.idi-teacher-listing-view .idi-teacher-photo {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 4px solid var(--idi-bg-card);
    margin: 0 auto;
    display: block;
    object-fit: cover;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
    transition: var(--idi-transition);
}

.idi-teacher-listing-view:hover .idi-teacher-photo {
    transform: scale(1.05);
}

.idi-teacher-profesion-title {
    margin: 0;
    color: #e2e8f0;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    z-index: 2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.idi-teacher-content {
    padding: 2.5rem 2rem;
}

/* Detailed single teacher/program view */
.idi-single-program .idi-program-hero-image {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--idi-radius-lg);
    border: 1px solid var(--idi-border);
    box-shadow: var(--idi-shadow-sm);
}

.idi-teacher-card {
    background: #ffffff;
    border: 1px solid var(--idi-border);
    border-radius: var(--idi-radius-lg);
    overflow: hidden;
    transition: var(--idi-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.idi-teacher-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--idi-shadow);
    border-color: var(--idi-accent);
}

.idi-teacher-card-photo {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-bottom: 1px solid var(--idi-border);
    transition: var(--idi-transition);
}

.idi-teacher-card:hover .idi-teacher-card-photo {
    transform: scale(1.03);
}

.idi-teacher-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.idi-teacher-name {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--idi-font-display);
}

.idi-teacher-name a {
    text-decoration: none;
    color: var(--idi-primary);
    transition: var(--idi-transition);
}

.idi-teacher-name a:hover {
    color: var(--idi-accent);
}

.idi-teacher-profesion {
    margin: 0;
    color: var(--idi-text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

/* Buttons */
button.idi-btn, 
a.idi-btn, 
input[type="submit"].idi-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0.85rem 1.75rem !important;
    border: 1px solid transparent !important;
    border-radius: var(--idi-radius-full) !important;
    text-decoration: none !important;
    color: var(--idi-primary) !important;
    font-weight: 600 !important;
    font-family: var(--idi-font-body) !important;
    font-size: 0.95rem !important;
    background: var(--idi-bg-main) !important;
    cursor: pointer !important;
    transition: var(--idi-transition) !important;
    letter-spacing: 0.02em !important;
    box-sizing: border-box !important;
    box-shadow: none !important;
}

button.idi-btn:hover, 
a.idi-btn:hover, 
input[type="submit"].idi-btn:hover {
    background: #e2e8f0 !important;
    transform: translateY(-2px) !important;
}

button.idi-btn-primary, 
a.idi-btn-primary, 
input[type="submit"].idi-btn-primary {
    background: var(--idi-primary) !important;
    color: var(--idi-text-inv) !important;
    box-shadow: 0 4px 15px rgba(10, 17, 40, 0.2) !important;
}

button.idi-btn-primary:hover, 
a.idi-btn-primary:hover, 
input[type="submit"].idi-btn-primary:hover {
    background: var(--idi-accent) !important;
    color: var(--idi-text-inv) !important;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3) !important;
    border-color: transparent !important;
}

button.idi-btn-secondary, 
a.idi-btn-secondary,
input[type="submit"].idi-btn-secondary {
    background: transparent !important;
    color: var(--idi-primary) !important;
    border-color: var(--idi-primary) !important;
}

button.idi-btn-secondary:hover, 
a.idi-btn-secondary:hover,
input[type="submit"].idi-btn-secondary:hover {
    background: var(--idi-primary) !important;
    color: var(--idi-text-inv) !important;
}

button.idi-btn-ghost, 
a.idi-btn-ghost,
input[type="submit"].idi-btn-ghost {
    background: transparent !important;
    color: var(--idi-text-muted) !important;
    border-color: transparent !important;
}

button.idi-btn-ghost:hover, 
a.idi-btn-ghost:hover,
input[type="submit"].idi-btn-ghost:hover {
    background: rgba(100, 116, 139, 0.1) !important;
    color: var(--idi-primary) !important;
}

.idi-btn-sm {
    padding: 0.5rem 1.25rem !important;
    font-size: 0.85rem !important;
    margin-top: 1.5rem !important;
    align-self: flex-start !important;
}

/* Forms */
.idi-form-grid {
    display: grid;
    gap: 1.5rem;
}

.idi-form-grid label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--idi-text-main);
    font-size: 0.95rem;
}

.idi-filters select,
.idi-form-grid input:not([type="checkbox"]):not([type="radio"]),
.idi-form-grid textarea,
.idi-form-grid select {
    width: 100%;
    box-sizing: border-box;
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--idi-border);
    border-radius: var(--idi-radius-md);
    font-family: var(--idi-font-body);
    font-size: 0.95rem;
    background: #ffffff;
    color: var(--idi-text-main);
    transition: var(--idi-transition);
    box-shadow: var(--idi-shadow-inner);
    appearance: none;
}

.idi-form-grid input[type="checkbox"],
.idi-form-grid input[type="radio"] {
    width: auto;
    display: inline-block;
    padding: 0;
    margin-right: 0.5rem;
    appearance: auto;
    box-shadow: none;
    border: none;
    background: transparent;
    cursor: pointer;
}

.idi-checkbox-label {
    display: inline-flex !important;
    align-items: center;
    cursor: pointer;
    font-weight: 500 !important;
}

.idi-checkbox-label input[type="checkbox"],
.idi-checkbox-label input[type="radio"] {
    width: 1.15rem !important;
    height: 1.15rem !important;
    margin-right: 0.6rem !important;
    appearance: auto !important;
}

.idi-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.idi-filters select {
    flex: 1;
    min-width: 200px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

.idi-filters select:focus,
.idi-form-grid input:not([type="checkbox"]):not([type="radio"]):focus,
.idi-form-grid textarea:focus,
.idi-form-grid select:focus {
    outline: none;
    border-color: var(--idi-accent);
    box-shadow: 0 0 0 4px var(--idi-accent-light);
}

/* Tables */
.idi-table-container {
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: var(--idi-radius-lg);
    box-shadow: var(--idi-shadow-sm);
    border: 1px solid var(--idi-border);
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

.idi-table-container::-webkit-scrollbar {
    height: 10px;
}
.idi-table-container::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}
.idi-table-container::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 4px;
}

.idi-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #ffffff;
}

.idi-table th,
.idi-table td {
    padding: 0.6rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--idi-border);
    font-size: 0.85rem;
}

.idi-table th {
    background: var(--idi-bg-main);
    color: var(--idi-text-main);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--idi-font-display);
}

.idi-table tr:last-child td {
    border-bottom: none;
}

.idi-table tr {
    transition: var(--idi-transition);
}

.idi-table tr:hover td {
    background: var(--idi-accent-light);
}

/* Typography & Utils */
.idi-title-section {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    font-size: 2.25rem;
    position: relative;
    display: inline-block;
}

.idi-title-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--idi-accent);
    border-radius: 2px;
}

.idi-section {
    margin-bottom: 4rem;
}

.idi-text-muted {
    color: var(--idi-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.idi-mb-1 { margin-bottom: 0.75rem; }
.idi-mb-2 { margin-bottom: 1.5rem; }
.idi-mb-3 { margin-bottom: 2.5rem; }
.idi-mt-2 { margin-top: 1.5rem; }

/* Header & Footer Parts */
.idi-header-part {
    background: var(--idi-bg-card);
    backdrop-filter: var(--idi-glass-blur);
    border-bottom: 1px solid var(--idi-border);
    padding: 1.5rem 0;
    margin-bottom: 3rem;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.idi-header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.idi-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.idi-branding {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.idi-header-logo {
    max-height: 56px;
    width: auto;
    border-radius: var(--idi-radius-sm);
}

.idi-header-title {
    font-family: var(--idi-font-display);
    font-size: 1.5rem !important;
    font-weight: 800;
    margin: 0;
    line-height: 1.2;
    color: var(--idi-primary);
    letter-spacing: -0.02em;
}

.idi-header-desc {
    font-size: 0.9rem;
    color: var(--idi-text-muted);
    margin: 0.25rem 0 0 0;
}

.idi-site-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.idi-wrap-base .idi-site-nav a,
.idi-header-part .idi-site-nav a {
    text-decoration: none !important;
    color: var(--idi-text-main) !important;
    font-weight: 600 !important;
    font-family: var(--idi-font-body) !important;
    font-size: 0.95rem !important;
    transition: var(--idi-transition) !important;
    padding: 0.5rem 0.2rem !important;
    position: relative;
    letter-spacing: 0.02em !important;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
}

.idi-wrap-base .idi-site-nav a:hover,
.idi-wrap-base .idi-site-nav a.is-active,
.idi-header-part .idi-site-nav a:hover,
.idi-header-part .idi-site-nav a.is-active {
    color: var(--idi-primary) !important;
    background: transparent !important;
}

.idi-wrap-base .idi-site-nav a::after,
.idi-header-part .idi-site-nav a::after {
    content: '' !important;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--idi-accent) !important;
    transition: var(--idi-transition) !important;
    border-radius: 2px !important;
}

.idi-wrap-base .idi-site-nav a:hover::after,
.idi-wrap-base .idi-site-nav a.is-active::after,
.idi-header-part .idi-site-nav a:hover::after,
.idi-header-part .idi-site-nav a.is-active::after {
    width: 100% !important;
}

@media (max-width: 768px) {
    .idi-site-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}

.idi-footer-part {
    margin-top: 5rem;
    padding-bottom: 3rem;
    background: var(--idi-bg-main);
    border-top: 1px solid var(--idi-border);
    padding-top: 3rem;
}

.idi-footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.idi-divider {
    border: 0;
    border-top: 1px solid var(--idi-border);
    margin-bottom: 2rem;
}

.idi-footer-content {
    text-align: center;
    color: var(--idi-text-muted);
    font-size: 0.95rem;
    font-family: var(--idi-font-body);
}

.idi-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 1rem;
    background: var(--idi-accent-light);
    color: var(--idi-accent);
    border-radius: var(--idi-radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--idi-font-display);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Lists and details */
.idi-meta-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.idi-meta-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--idi-border);
    font-size: 0.95rem;
}

.idi-meta-list li:last-child {
    border-bottom: none;
}

.idi-meta-list strong {
    color: var(--idi-primary);
    font-weight: 600;
}

/* Animations added to wrap load */
@keyframes fadeUpIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.idi-public-wrap, .idi-grid .idi-card {
    animation: fadeUpIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Staggered animation for grid items */
.idi-grid .idi-card:nth-child(1) { animation-delay: 0.1s; }
.idi-grid .idi-card:nth-child(2) { animation-delay: 0.2s; }
.idi-grid .idi-card:nth-child(3) { animation-delay: 0.3s; }
.idi-grid .idi-card:nth-child(4) { animation-delay: 0.4s; }
.idi-grid .idi-card:nth-child(5) { animation-delay: 0.5s; }

/* Responsive Extensions for Frontend Classes */
.idi-hero-content-box {
    padding: 3rem;
}

.idi-hero-title {
    color: white !important; 
    margin: 0; 
    font-size: 3rem; 
    text-shadow: 0 4px 10px rgba(0,0,0,0.5); 
    font-family: var(--idi-font-display);
    line-height: 1.1;
    word-break: break-word; /* Ensure it doesn't overflow */
}

.idi-hero-btn {
    background: var(--idi-accent); 
    color: white; 
    border: none; 
    font-size: 1rem; 
    padding: 0.8rem 2rem; 
    border-radius: 50px; 
    text-transform: uppercase; 
    font-weight: 800; 
    letter-spacing: 1px; 
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}

.idi-hero-btn:hover {
    transform: scale(1.05);
    color: white;
}

.idi-cta-section {
    margin-top: 5rem; 
    padding: 4rem 2rem; 
    background: linear-gradient(135deg, var(--idi-primary), #0a1128); 
    border-radius: var(--idi-radius-xl); 
    text-align: center; 
    color: white; 
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.3);
}

.idi-cta-title {
    color: white !important; 
    font-size: 2.5rem; 
    margin-bottom: 1rem; 
    font-family: var(--idi-font-display);
    word-break: break-word;
}

.idi-cta-desc {
    font-size: 1.2rem; 
    margin-bottom: 2.5rem; 
    opacity: 0.9; 
    max-width: 600px; 
    margin-left: auto; 
    margin-right: auto;
}

.idi-cta-btn {
    font-size: 1.2rem; 
    padding: 1.2rem 3rem;
}

.idi-teachers-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

.idi-teacher-card-single {
    flex: 1 1 20%;
    max-width: 20%;
    min-width: 180px;
    box-sizing: border-box;
}

/* Responsive Block */
@media (max-width: 1024px) {
    .idi-admin-shell {
        grid-template-columns: 1fr;
        padding: 1rem;
        margin: 1rem;
    }
    
    .idi-admin-sidebar {
        position: static;
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .idi-admin-wrap,
    .idi-public-wrap {
        padding: 1.5rem;
        margin: 1rem;
        border-radius: var(--idi-radius-lg);
    }
    
    /* Specific overrides for single post hero */
    .idi-hero-content-box {
        padding: 1.5rem;
    }

    .idi-hero-title {
        font-size: 2rem;
    }
    
    .idi-hero-banner-img {
        height: 300px !important;
    }

    .idi-cta-section {
        margin-top: 3rem;
        padding: 2.5rem 1.5rem;
    }

    .idi-cta-title {
        font-size: 1.8rem;
    }

    .idi-cta-desc {
        font-size: 1rem;
    }

    .idi-hero-btn {
        width: 100%;
        text-align: center;
        box-sizing: border-box;
    }

    .idi-cta-btn {
        font-size: 1rem;
        padding: 1.2rem 1.5rem;
    }
    
    .idi-teacher-card-single {
        flex: 1 1 100%;
        max-width: 100%;
        min-width: unset;
    }
    
    .idi-teacher-listing-view {
        max-width: 95% !important;
        margin: 1.5rem auto;
    }
    
    .idi-grid-2, .idi-grid-3 {
        grid-template-columns: 1fr;
    }

    .idi-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .idi-header-flex {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .idi-branding {
        flex-direction: column;
    }
}

/* --- Tailwind-like Utility Classes for Consolidating Visual Aspect --- */

/* Display & Flexbox */
.idi-flex { display: flex !important; }
.idi-inline-flex { display: inline-flex !important; }
.idi-inline-block { display: inline-block !important; }
.idi-flex-col { flex-direction: column !important; }
.idi-flex-wrap { flex-wrap: wrap !important; }
.idi-items-start { align-items: flex-start !important; }
.idi-items-end { align-items: flex-end !important; }
.idi-items-center { align-items: center !important; }
.idi-items-stretch { align-items: stretch !important; }
.idi-justify-between { justify-content: space-between !important; }
.idi-justify-center { justify-content: center !important; }
.idi-flex-1 { flex: 1 !important; min-width: 0 !important; }
.idi-flex-none { flex: none !important; }

/* Sizing */
.idi-w-full { width: 100% !important; }
.idi-h-full { height: 100% !important; }
.idi-min-w-200 { min-width: 200px !important; }
.idi-min-w-220 { min-width: 220px !important; }
.idi-max-w-400 { max-width: 400px !important; }
.idi-h-180 { height: 180px !important; }
.idi-h-300 { height: 300px !important; }

/* Spacing */
.idi-m-0 { margin: 0 !important; }
.idi-mt-0 { margin-top: 0 !important; }
.idi-mb-0 { margin-bottom: 0 !important; }
.idi-my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.idi-mr-2 { margin-right: 0.5rem !important; }
.idi-ml-1 { margin-left: 0.25rem !important; }
.idi-mt-4 { margin-top: 1rem !important; }
.idi-mb-1 { margin-bottom: 0.25rem !important; }
.idi-mb-2 { margin-bottom: 0.5rem !important; }
.idi-mb-4 { margin-bottom: 1rem !important; }
.idi-p-0 { padding: 0 !important; }
.idi-p-6 { padding: 1.5rem !important; }
.idi-px-3 { padding-left: 0.75rem !important; padding-right: 0.75rem !important; }
.idi-py-1 { padding-top: 0.25rem !important; padding-bottom: 0.25rem !important; }
.idi-py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.idi-py-20 { padding-top: 5rem !important; padding-bottom: 5rem !important; }
.idi-px-8 { padding-left: 2rem !important; padding-right: 2rem !important; }
.idi-px-4 { padding-left: 1rem !important; padding-right: 1rem !important; }
.idi-pb-0 { padding-bottom: 0 !important; }
.idi-gap-2 { gap: 0.5rem !important; }
.idi-gap-4 { gap: 1rem !important; }
.idi-gap-6 { gap: 1.5rem !important; }
.idi-gap-8 { gap: 2rem !important; }

/* Typography */
.idi-text-xs { font-size: 0.75rem !important; }
.idi-text-sm { font-size: 0.875rem !important; }
.idi-text-base { font-size: 1rem !important; }
.idi-text-lg { font-size: 1.125rem !important; }
.idi-text-xl { font-size: 1.25rem !important; }
.idi-text-2xl { font-size: 1.5rem !important; }
.idi-text-3xl { font-size: 1.875rem !important; }
.idi-text-4xl { font-size: 2.25rem !important; }
.idi-text-5xl { font-size: 3rem !important; }

.idi-font-medium { font-weight: 500 !important; }
.idi-font-semibold { font-weight: 600 !important; }
.idi-font-bold { font-weight: 700 !important; }
.idi-font-extrabold { font-weight: 800 !important; }
.idi-font-mono { font-family: monospace !important; }
.idi-font-body { font-family: var(--idi-font-body) !important; }
.idi-font-display { font-family: var(--idi-font-display) !important; }

.idi-text-left { text-align: left !important; }
.idi-text-center { text-align: center !important; }
.idi-text-right { text-align: right !important; }

.idi-whitespace-nowrap { white-space: nowrap !important; }
.idi-whitespace-normal { white-space: normal !important; }
.idi-no-underline { text-decoration: none !important; }
.idi-uppercase { text-transform: uppercase !important; }

/* Colors */
.idi-text-primary { color: var(--idi-primary) !important; }
.idi-text-accent { color: var(--idi-accent) !important; }
.idi-text-success { color: var(--idi-success) !important; }
.idi-text-warning { color: var(--idi-warning) !important; }
.idi-text-danger { color: var(--idi-danger) !important; }
.idi-text-white { color: #ffffff !important; }
.idi-text-slate-500 { color: #64748b !important; }
.idi-text-muted { color: var(--idi-text-muted) !important; }
.idi-text-main { color: var(--idi-text-main) !important; }

.idi-bg-accent { background-color: var(--idi-accent) !important; }
.idi-bg-warning { background-color: var(--idi-warning) !important; }
.idi-bg-success { background-color: var(--idi-success) !important; }
.idi-bg-white { background-color: #ffffff !important; }
.idi-bg-transparent { background-color: transparent !important; }

/* Gradients used in Dashboards */
.idi-bg-gradient-light { background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%) !important; }
.idi-bg-gradient-orange { background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%) !important; }
.idi-border-orange-200 { border-color: #fed7aa !important; }
.idi-border-accent { border-color: var(--idi-accent) !important; }
.idi-border-success-300 { border-color: #86efac !important; }
.idi-border-slate-100 { border-color: #f1f5f9 !important; }
.idi-bg-success-50 { background-color: #f0fdf4 !important; }

/* Borders & Radius */
.idi-rounded-sm { border-radius: var(--idi-radius-sm) !important; }
.idi-rounded-md { border-radius: var(--idi-radius-md) !important; }
.idi-rounded-lg { border-radius: var(--idi-radius-lg) !important; }
.idi-rounded-xl { border-radius: var(--idi-radius-xl) !important; }
.idi-rounded-full { border-radius: var(--idi-radius-full) !important; }
.idi-border { border: 1px solid var(--idi-border) !important; }
.idi-border-b { border-bottom: 1px solid var(--idi-border) !important; }
.idi-border-dashed { border-style: dashed !important; }
.idi-border-none { border: none !important; }

/* Layout & Grid Details */
.idi-col-span-full { grid-column: 1 / -1 !important; }
.idi-object-cover { object-fit: cover !important; }
.idi-relative { position: relative !important; }
.idi-absolute { position: absolute !important; }
.idi-overflow-hidden { overflow: hidden !important; }
.idi-block { display: block !important; }

/* Transitions */
.idi-transition-colors { transition: color 0.2s, background-color 0.2s, border-color 0.2s !important; }
.idi-transition-transform { transition: transform 0.3s !important; }

/* Shadow */
.idi-shadow-sm { box-shadow: var(--idi-shadow-sm) !important; }

/* Misc */
.idi-list-none { list-style: none !important; }
.idi-tracking-wide { letter-spacing: 0.05em !important; }