/* =========================================================
   COURSES PAGE - PROFESSIONAL COURSE LISTING
   Loaded after the global CSS on pages/courses.php
   Uses the site design tokens (--primary-color, --accent-color,
   --card-radius, --button-radius, --cc-*) so the page always
   matches the admin Website Theme.
   ========================================================= */

/* ---- Page section ---- */

.nii-courses-page {
    background: linear-gradient(180deg, #f7faff 0%, #ffffff 100%);
}

/* Slightly wider content track for a full 3-column listing
   (scoped to this page only, navbar keeps its default width) */
.nii-courses-page > .container {
    max-width: 1240px;
}

/* =========================================================
   BANNER — full-width image from the admin settings.
   The complete image is always shown: natural aspect ratio,
   never cropped, fluid on every screen size.
   ========================================================= */

.nii-courses-banner {
    width: 100%;
    line-height: 0;
    background: linear-gradient(180deg, #0f172a 0%, #1e3a8a 100%);
}

.nii-courses-banner img {
    width: 100%;
    height: auto;
    display: block;
}

/* =========================================================
   TOOLBAR (search + filters)
   ========================================================= */

.nii-courses-toolbar {
    background: #ffffff;
    border: 1px solid #e8eef7;
    border-radius: 18px;
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.06);
    padding: 24px;
}

.nii-search-wrap {
    position: relative;
}

.nii-search-wrap > i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 15px;
    pointer-events: none;
}

.nii-search-input {
    width: 100%;
    border: 1.5px solid #dbe4f0;
    border-radius: 12px;
    padding: 13px 46px 13px 46px;
    font-size: 15px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    background: #fbfcfe;
}

.nii-search-input:focus {
    outline: none;
    border-color: var(--primary-color, #2563eb);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-color, #2563eb) 14%, transparent);
    background: #ffffff;
}

.nii-search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border: 0;
    border-radius: 50%;
    background: #eef2f8;
    color: #64748b;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.nii-search-clear.show {
    display: inline-flex;
}

.nii-filter-label {
    font-size: 13px;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nii-filter-label i {
    color: var(--primary-color, #2563eb);
}

.nii-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nii-pill {
    border: 1.5px solid #dbe4f0;
    background: #ffffff;
    color: #475569;
    border-radius: 50px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.22s ease;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    line-height: 1.2;
}

.nii-pill i {
    font-size: 13px;
    color: var(--primary-color, #2563eb);
    transition: color 0.22s ease;
}

.nii-pill:hover {
    border-color: var(--primary-color, #2563eb);
    color: var(--primary-color, #2563eb);
}

.nii-pill.active {
    background: linear-gradient(135deg, var(--primary-color, #2563eb), var(--secondary-color, #7c3aed));
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 8px 20px color-mix(in srgb, var(--primary-color, #2563eb) 30%, transparent);
}

.nii-pill.active i {
    color: #ffffff;
}

.nii-pill .count {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 0 7px;
    font-size: 12px;
    font-weight: 700;
}

/* =========================================================
   RESULTS STATUS ROW
   ========================================================= */

.nii-results-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 30px 0 22px;
}

.nii-result-count {
    color: #475569;
    font-size: 15px;
    font-weight: 600;
}

.nii-result-count strong {
    color: var(--primary-color, #2563eb);
}

.nii-clear-filters {
    border: 1px solid #e2e8f0;
    background: #ffffff;
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    display: none;
    align-items: center;
    gap: 7px;
    transition: all 0.22s ease;
}

.nii-clear-filters.show {
    display: inline-flex;
}

.nii-clear-filters:hover {
    color: #dc2626;
    border-color: #fecaca;
    background: #fef2f2;
}

/* =========================================================
   COURSE GRID  (3 / 2 / 1 responsive, never overlapping)
   ========================================================= */

.nii-course-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--cc-gap, 24px);
}

.nii-course-card.is-beyond {
    display: none !important;
}

.nii-course-card.is-hidden {
    display: none !important;
}

/* =========================================================
   COURSE CARD
   ========================================================= */

.nii-course-card {
    min-width: 0;
    background: #ffffff;
    border-radius: var(--cc-radius-final, 18px);
    border: 1px solid #e8eef7;
    box-shadow: var(--cc-shadow-rest, 0 6px 22px rgba(15, 23, 42, 0.05));
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    position: relative;
    word-break: break-word;
}

.nii-course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--cc-hover-shadow, 0 20px 44px rgba(15, 23, 42, 0.12));
    border-color: color-mix(in srgb, var(--primary-color, #2563eb) 30%, #e8eef7);
}

/* --- Image area: full card width, natural photo shape, never cropped --- */

.nii-course-thumb {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
    background: radial-gradient(120% 120% at 50% 10%, #eaf2fe 0%, #f1f5f9 100%);
    text-decoration: none;
    line-height: 0;
}

.nii-course-thumb img {
    width: 100%;
    height: auto;
    display: block;
    line-height: 0;
}

.nii-course-thumb-fallback {
    width: 100%;
    aspect-ratio: 16 / 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--primary-color, #2563eb);
    line-height: 1;
}

.nii-course-thumb-fallback i {
    font-size: 44px;
    opacity: 0.85;
}

.nii-course-thumb-fallback span {
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.nii-featured-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 5px 10px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.35);
    z-index: 2;
    line-height: 1;
}

/* --- Body --- */

.nii-course-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-width: 0;
}

.nii-course-badges {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 12px;
}

.nii-cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: color-mix(in srgb, var(--primary-color, #2563eb) 10%, #ffffff);
    color: var(--primary-color, #2563eb);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 50px;
    text-transform: capitalize;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nii-cat-badge i {
    font-size: 11px;
}

.nii-course-name {
    margin: 0 0 8px;
    font-size: var(--cc-title-fs, 18px);
    font-weight: 700;
    line-height: 1.35;
    color: #0f172a;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nii-course-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.nii-course-name a:hover {
    color: var(--primary-color, #2563eb);
}

.nii-course-desc {
    margin: 0 0 14px;
    font-size: var(--cc-desc-fs, 14px);
    line-height: 1.65;
    color: #64748b;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(var(--cc-desc-fs, 14px) * 1.65 * 2);
}

/* --- Facts --- */

.nii-course-meta {
    list-style: none;
    padding: 0;
    margin: 0 0 14px;
    border-top: 1px solid #eef2f7;
}

.nii-course-meta li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #f4f6fa;
}

.nii-course-meta li > i {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    background: color-mix(in srgb, var(--primary-color, #2563eb) 9%, #ffffff);
    color: var(--primary-color, #2563eb);
    font-size: 13px;
}

.nii-course-meta li .nii-meta-txt {
    min-width: 0;
}

.nii-course-meta li .nii-meta-txt span {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.nii-course-meta li .nii-meta-txt strong {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: #334155;
    line-height: 1.35;
}

/* --- Modes --- */

.nii-course-modes {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 16px;
}

.nii-mode-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 11px;
    border-radius: 50px;
    line-height: 1;
}

.nii-mode-chip.online {
    background: color-mix(in srgb, var(--primary-color, #2563eb) 10%, #ffffff);
    color: var(--primary-color, #2563eb);
}

.nii-mode-chip.physical {
    background: #f3e8ff;
    color: #7c3aed;
}

.nii-mode-chip.both {
    background: #ecfdf5;
    color: #059669;
}

/* --- Actions (always at bottom) --- */

.nii-course-actions {
    margin-top: auto;
    padding-top: 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    border-top: 1px solid #eef2f7;
}

.nii-course-actions .btn {
    min-width: 0;
    border-radius: var(--button-radius, 8px);
    padding: 11px 10px;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    text-align: center;
}

.nii-course-actions .btn-outline-primary {
    border-width: 1.5px;
}

/* =========================================================
   LOAD MORE / EMPTY STATE
   ========================================================= */

.nii-load-more-wrap {
    text-align: center;
    margin-top: 40px;
}

.nii-load-more {
    border: 0;
    background: linear-gradient(135deg, var(--primary-color, #2563eb), var(--secondary-color, #7c3aed));
    color: #ffffff;
    border-radius: 12px;
    padding: 13px 34px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 10px 26px color-mix(in srgb, var(--primary-color, #2563eb) 32%, transparent);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
    display: inline-flex;
    align-items: center;
    gap: 9px;
}

.nii-load-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px color-mix(in srgb, var(--primary-color, #2563eb) 40%, transparent);
}

.nii-empty {
    text-align: center;
    padding: 70px 20px;
    background: #ffffff;
    border: 1px dashed #d7e0ee;
    border-radius: 18px;
    display: none;
}

.nii-empty.show {
    display: block;
}

.nii-empty-icon {
    width: 84px;
    height: 84px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--primary-color, #2563eb) 8%, #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    color: var(--primary-color, #2563eb);
}

.nii-empty h4 {
    color: #0f172a;
    font-weight: 700;
    margin-bottom: 8px;
}

.nii-empty p {
    color: #64748b;
    max-width: 420px;
    margin: 0 auto 20px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 992px) {
    .nii-course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .nii-course-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }

    .nii-courses-toolbar {
        margin-top: -22px;
        padding: 18px;
    }

    .nii-hero-stat {
        min-width: 120px;
        padding: 11px 18px;
    }
}

@media (max-width: 380px) {
    .nii-course-actions {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nii-course-card,
    .nii-load-more,
    .nii-search-input,
    .nii-pill {
        transition: none !important;
    }
}