/**
 * Kiki Academy Courses Pages Styles
 * Course catalog, filters, and course detail pages
 */

/* ═══════════════════════════════════════════════════════════════
   COURSES CATALOG PAGE
   ═══════════════════════════════════════════════════════════════ */

.courses-page {
    min-height: 100vh;
    background: var(--kiki-cream);
}

/* Page Header */
.courses-header {
    padding: var(--space-16) 0 var(--space-10);
    background: linear-gradient(180deg, var(--kiki-pearl) 0%, var(--kiki-cream) 100%);
    text-align: center;
}

.courses-header__title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    color: var(--kiki-obsidian);
    margin-bottom: var(--space-4);
}

.courses-header__description {
    font-size: var(--text-lg);
    color: var(--kiki-charcoal);
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

/* Stats */
.courses-header__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.courses-header__stat {
    text-align: center;
}

.courses-header__stat-value {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--kiki-rose);
}

.courses-header__stat-label {
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
}

/* ═══════════════════════════════════════════════════════════════
   FILTERS SECTION
   ═══════════════════════════════════════════════════════════════ */

.courses-filters {
    padding: var(--space-6) 0;
    background: var(--kiki-white);
    border-bottom: 1px solid var(--kiki-silk);
    position: sticky;
    top: var(--header-height);
    z-index: var(--z-sticky);
}

.courses-filters__container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

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

/* Campus Filter Tabs */
.campus-tabs {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    -webkit-overflow-scrolling: touch;
}

.campus-tabs::-webkit-scrollbar {
    display: none;
}

.campus-tab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--kiki-charcoal);
    background: var(--kiki-pearl);
    border-radius: var(--radius-full);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    border: 2px solid transparent;
}

.campus-tab:hover {
    background: var(--kiki-silk);
}

.campus-tab--active {
    background: var(--kiki-white);
    box-shadow: var(--shadow-sm);
}

.campus-tab--all.campus-tab--active {
    border-color: var(--kiki-rose);
    color: var(--kiki-rose-dark);
}

.campus-tab--elegance.campus-tab--active {
    border-color: var(--virtue-elegance);
    color: var(--virtue-elegance-dark);
}

.campus-tab--etiquette.campus-tab--active {
    border-color: var(--virtue-etiquette);
    color: var(--virtue-etiquette-dark);
}

.campus-tab--eminence.campus-tab--active {
    border-color: var(--virtue-eminence);
    color: var(--virtue-eminence-dark);
}

.campus-tab--energy.campus-tab--active {
    border-color: var(--virtue-energy);
    color: var(--virtue-energy-dark);
}

.campus-tab--elation.campus-tab--active {
    border-color: var(--virtue-elation);
    color: var(--virtue-elation-dark);
}

.campus-tab__dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.campus-tab--elegance .campus-tab__dot { background: var(--virtue-elegance); }
.campus-tab--etiquette .campus-tab__dot { background: var(--virtue-etiquette); }
.campus-tab--eminence .campus-tab__dot { background: var(--virtue-eminence); }
.campus-tab--energy .campus-tab__dot { background: var(--virtue-energy); }
.campus-tab--elation .campus-tab__dot { background: var(--virtue-elation); }

/* Search & Sort */
.courses-filters__actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.courses-search {
    position: relative;
}

.courses-search__input {
    width: 240px;
    padding: var(--space-2) var(--space-4);
    padding-left: var(--space-10);
    font-size: var(--text-sm);
    background: var(--kiki-pearl);
    border: 1px solid var(--kiki-silk);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out);
}

.courses-search__input:focus {
    background: var(--kiki-white);
    border-color: var(--kiki-rose);
    outline: none;
    box-shadow: 0 0 0 3px var(--virtue-elegance-glow);
}

.courses-search__icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--kiki-taupe);
    pointer-events: none;
}

.courses-sort {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    background: var(--kiki-pearl);
    border: 1px solid var(--kiki-silk);
    border-radius: var(--radius-lg);
    cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════
   COURSES GRID
   ═══════════════════════════════════════════════════════════════ */

.courses-content {
    padding: var(--space-10) 0 var(--space-20);
}

.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

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

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

@media (min-width: 1280px) {
    .courses-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ═══════════════════════════════════════════════════════════════
   COURSE CARD (Enhanced)
   ═══════════════════════════════════════════════════════════════ */

.course-card-full {
    display: flex;
    flex-direction: column;
    background: var(--kiki-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-out);
}

.course-card-full:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* Card Image */
.course-card-full__image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.course-card-full__image-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.course-card-full--elegance .course-card-full__image-bg {
    background: linear-gradient(135deg, var(--virtue-elegance-light) 0%, var(--virtue-elegance-glow) 100%);
}

.course-card-full--etiquette .course-card-full__image-bg {
    background: linear-gradient(135deg, var(--virtue-etiquette-light) 0%, var(--virtue-etiquette-glow) 100%);
}

.course-card-full--eminence .course-card-full__image-bg {
    background: linear-gradient(135deg, var(--virtue-eminence-light) 0%, var(--virtue-eminence-glow) 100%);
}

.course-card-full--energy .course-card-full__image-bg {
    background: linear-gradient(135deg, var(--virtue-energy-light) 0%, var(--virtue-energy-glow) 100%);
}

.course-card-full--elation .course-card-full__image-bg {
    background: linear-gradient(135deg, var(--virtue-elation-light) 0%, var(--virtue-elation-glow) 100%);
}

/* Card Badges */
.course-card-full__badges {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    display: flex;
    justify-content: space-between;
}

.course-card-full__campus {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    background: var(--kiki-white);
    border-radius: var(--radius-full);
}

.course-card-full--elegance .course-card-full__campus { color: var(--virtue-elegance-dark); }
.course-card-full--etiquette .course-card-full__campus { color: var(--virtue-etiquette-dark); }
.course-card-full--eminence .course-card-full__campus { color: var(--virtue-eminence-dark); }
.course-card-full--energy .course-card-full__campus { color: var(--virtue-energy-dark); }
.course-card-full--elation .course-card-full__campus { color: var(--virtue-elation-dark); }

.course-card-full__tier {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    background: var(--kiki-obsidian);
    color: var(--kiki-white);
    border-radius: var(--radius-full);
}

/* Card Content */
.course-card-full__content {
    flex: 1;
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
}

.course-card-full__pathway {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.course-card-full--elegance .course-card-full__pathway { color: var(--virtue-elegance); }
.course-card-full--etiquette .course-card-full__pathway { color: var(--virtue-etiquette); }
.course-card-full--eminence .course-card-full__pathway { color: var(--virtue-eminence); }
.course-card-full--energy .course-card-full__pathway { color: var(--virtue-energy); }
.course-card-full--elation .course-card-full__pathway { color: var(--virtue-elation); }

.course-card-full__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--kiki-obsidian);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.course-card-full__description {
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
    line-height: var(--leading-relaxed);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-4);
}

/* Card Meta */
.course-card-full__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: auto;
    padding-top: var(--space-4);
    border-top: 1px solid var(--kiki-silk);
    font-size: var(--text-xs);
    color: var(--kiki-charcoal);
}

.course-card-full__meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.course-card-full__meta-item svg {
    width: 14px;
    height: 14px;
    opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════════
   COURSE DETAIL PAGE
   ═══════════════════════════════════════════════════════════════ */

.course-detail {
    min-height: 100vh;
    background: var(--kiki-cream);
}

/* Course Hero */
.course-hero {
    padding: var(--space-16) 0;
    position: relative;
}

.course-hero--elegance { background: linear-gradient(135deg, var(--kiki-cream) 0%, var(--virtue-elegance-glow) 100%); }
.course-hero--etiquette { background: linear-gradient(135deg, var(--kiki-cream) 0%, var(--virtue-etiquette-glow) 100%); }
.course-hero--eminence { background: linear-gradient(135deg, var(--kiki-cream) 0%, var(--virtue-eminence-glow) 100%); }
.course-hero--energy { background: linear-gradient(135deg, var(--kiki-cream) 0%, var(--virtue-energy-glow) 100%); }
.course-hero--elation { background: linear-gradient(135deg, var(--kiki-cream) 0%, var(--virtue-elation-glow) 100%); }

.course-hero__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    align-items: start;
}

@media (min-width: 1024px) {
    .course-hero__container {
        grid-template-columns: 2fr 1fr;
    }
}

/* Course Info */
.course-hero__breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
    margin-bottom: var(--space-4);
}

.course-hero__breadcrumb a {
    color: var(--kiki-charcoal);
    transition: color var(--duration-fast) var(--ease-out);
}

.course-hero__breadcrumb a:hover {
    color: var(--kiki-rose);
}

.course-hero__campus-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--kiki-white);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
}

.course-hero--elegance .course-hero__campus-badge { color: var(--virtue-elegance-dark); border: 1px solid var(--virtue-elegance); }
.course-hero--etiquette .course-hero__campus-badge { color: var(--virtue-etiquette-dark); border: 1px solid var(--virtue-etiquette); }
.course-hero--eminence .course-hero__campus-badge { color: var(--virtue-eminence-dark); border: 1px solid var(--virtue-eminence); }
.course-hero--energy .course-hero__campus-badge { color: var(--virtue-energy-dark); border: 1px solid var(--virtue-energy); }
.course-hero--elation .course-hero__campus-badge { color: var(--virtue-elation-dark); border: 1px solid var(--virtue-elation); }

.course-hero__title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    color: var(--kiki-obsidian);
    margin-bottom: var(--space-4);
}

.course-hero__description {
    font-size: var(--text-lg);
    color: var(--kiki-charcoal);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.course-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.course-hero__meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
}

.course-hero__meta-item svg {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}

/* Enrollment Card */
.course-enroll-card {
    background: var(--kiki-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
}

.course-enroll-card__preview {
    aspect-ratio: 16/9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.course-hero--elegance .course-enroll-card__preview { background: linear-gradient(135deg, var(--virtue-elegance-light), var(--virtue-elegance)); }
.course-hero--etiquette .course-enroll-card__preview { background: linear-gradient(135deg, var(--virtue-etiquette-light), var(--virtue-etiquette)); }
.course-hero--eminence .course-enroll-card__preview { background: linear-gradient(135deg, var(--virtue-eminence-light), var(--virtue-eminence)); }
.course-hero--energy .course-enroll-card__preview { background: linear-gradient(135deg, var(--virtue-energy-light), var(--virtue-energy)); }
.course-hero--elation .course-enroll-card__preview { background: linear-gradient(135deg, var(--virtue-elation-light), var(--virtue-elation)); }

.course-enroll-card__cta {
    width: 100%;
    margin-bottom: var(--space-4);
}

.course-enroll-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.course-enroll-card__feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
}

.course-enroll-card__feature svg {
    width: 18px;
    height: 18px;
    color: var(--color-success);
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════
   COURSE CONTENT SECTIONS
   ═══════════════════════════════════════════════════════════════ */

.course-content {
    padding: var(--space-16) 0;
    background: var(--kiki-white);
}

.course-content__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
}

@media (min-width: 1024px) {
    .course-content__grid {
        grid-template-columns: 2fr 1fr;
    }
}

/* Curriculum Section */
.course-curriculum {
    margin-bottom: var(--space-12);
}

.course-curriculum__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--weight-semibold);
    color: var(--kiki-obsidian);
    margin-bottom: var(--space-6);
}

/* Module Accordion */
.course-module {
    background: var(--kiki-pearl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    overflow: hidden;
}

.course-module__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
}

.course-module__header:hover {
    background: var(--kiki-silk);
}

.course-module__info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.course-module__number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kiki-rose);
    color: var(--kiki-white);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-full);
}

.course-module__title {
    font-weight: var(--weight-semibold);
    color: var(--kiki-obsidian);
}

.course-module__meta {
    font-size: var(--text-sm);
    color: var(--kiki-taupe);
}

.course-module__toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--duration-fast) var(--ease-out);
}

.course-module--open .course-module__toggle {
    transform: rotate(180deg);
}

/* Module Lessons */
.course-module__lessons {
    display: none;
    padding: 0 var(--space-5) var(--space-4);
}

.course-module--open .course-module__lessons {
    display: block;
}

.course-lesson {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    transition: background var(--duration-fast) var(--ease-out);
}

.course-lesson:hover {
    background: var(--kiki-white);
}

.course-lesson__icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kiki-white);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.course-lesson__icon svg {
    width: 16px;
    height: 16px;
    color: var(--kiki-charcoal);
}

.course-lesson__info {
    flex: 1;
}

.course-lesson__title {
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
}

.course-lesson__duration {
    font-size: var(--text-xs);
    color: var(--kiki-taupe);
}

/* Sidebar */
.course-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Instructor Card */
.instructor-card {
    background: var(--kiki-pearl);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
}

.instructor-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.instructor-card__avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--kiki-rose-light), var(--kiki-rose));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--kiki-white);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
}

.instructor-card__info h4 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--kiki-obsidian);
}

.instructor-card__info span {
    font-size: var(--text-sm);
    color: var(--kiki-taupe);
}

.instructor-card__bio {
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
    line-height: var(--leading-relaxed);
}

/* Requirements Card */
.requirements-card {
    background: var(--kiki-pearl);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
}

.requirements-card__title {
    font-weight: var(--weight-semibold);
    color: var(--kiki-obsidian);
    margin-bottom: var(--space-4);
}

.requirements-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.requirements-card__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--kiki-charcoal);
}

.requirements-card__item svg {
    width: 16px;
    height: 16px;
    color: var(--kiki-rose);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════════════ */

.courses-empty {
    text-align: center;
    padding: var(--space-16) var(--space-4);
}

.courses-empty__icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
}

.courses-empty__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--kiki-obsidian);
    margin-bottom: var(--space-2);
}

.courses-empty__text {
    color: var(--kiki-charcoal);
    margin-bottom: var(--space-6);
}