/*
 * TIPZ Academy Styles
 * ===================
 * Dynamic education center for sports traders
 * Version: v2.0.0
 */

/* ============================================
   NAVBAR STYLES - Modern Pill Navigation
   ============================================ */
#navbar-main {
    z-index: 1030;
    border: none !important;
    border-bottom: none !important;
}
#navbar-main .navbar-collapse { opacity: 1 !important; }
.navbar-container-inner { max-width: 1600px; margin: 0 auto; padding: 0 1rem !important; }
@media (min-width: 992px) { .navbar-container-inner { padding: 0 2rem !important; } }
#navbarNav { flex-grow: 1; justify-content: center; }
#navbarNav .navbar-nav.nav-pills-modern { margin: 0 auto; }
#navbarNav .navbar-nav:last-child { margin-left: auto; margin-right: 0; }
.nav-pills-modern { gap: 0.5rem; }
.nav-link-modern {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.6rem 1.2rem !important; border-radius: 50px;
    font-weight: 500; font-size: 0.9rem;
    color: rgba(255,255,255,0.75) !important;
    background: transparent; border: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.nav-link-modern:hover { color: #fff !important; background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }
.nav-link-modern.active { color: #fff !important; background: linear-gradient(135deg,#00A859 0%,#007A42 100%); border-color: transparent; box-shadow: 0 4px 15px rgba(0,168,89,0.3); }
.nav-link-modern i { font-size: 1rem; }

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --academy-bg: #0F1419;
    --academy-card-bg: #1A1F2E;
    --academy-card-border: #2A3040;
    --academy-hero-bg: linear-gradient(135deg, #0D4F5E 0%, #0A2A3A 50%, #0F1419 100%);
    --type-video: #06B6D4;
    --type-document: #EF4444;
    --type-article: #10B981;
    --type-guide: #F59E0B;
    --tipz-green: #00A859;
    --tipz-green-dark: #007A42;
}

/* ============================================
   HERO
   ============================================ */
.academy-hero {
    background: var(--academy-hero-bg);
    padding: 3rem 0 2rem;
    margin-top: 80px;
    text-align: center;
}
.academy-hero .container-fluid { max-width: 1600px; margin: 0 auto; }
.hero-inner h1 { color: #fff; font-size: 2.25rem; font-weight: 800; margin-bottom: 0.5rem; }
.hero-inner h1 i { color: var(--type-video); margin-right: 0.5rem; }
.hero-inner .lead { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin: 0; }

/* Type filter pills */
.type-pills { display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap; }
.type-pills .pill {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.5rem 1.2rem; border-radius: 50px;
    font-size: 0.875rem; font-weight: 500;
    color: rgba(255,255,255,0.7); text-decoration: none;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
    transition: all 0.3s ease;
}
.type-pills .pill:hover { color: #fff; background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.25); }
.type-pills .pill.active { color: #fff; background: var(--tipz-green); border-color: var(--tipz-green); }

/* ============================================
   BODY
   ============================================ */
.academy-body {
    background: var(--academy-bg);
    min-height: calc(100vh - 300px);
    padding: 2rem 0 3rem;
}
.academy-body .container-fluid { max-width: 1600px; margin: 0 auto; }

.section-title { color: #fff; font-size: 1.25rem; font-weight: 700; margin-bottom: 1rem; }

/* ============================================
   CATEGORY TABS
   ============================================ */
.category-tabs {
    display: flex; gap: 0.5rem;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.15) transparent;
}
.category-tabs::-webkit-scrollbar { height: 4px; }
.category-tabs::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }
.cat-tab {
    white-space: nowrap; padding: 0.4rem 1rem; border-radius: 50px;
    font-size: 0.8rem; font-weight: 500; text-decoration: none;
    color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.25s ease;
}
.cat-tab:hover { color: #fff; background: rgba(255,255,255,0.12); }
.cat-tab.active { color: #fff; background: var(--tipz-green); border-color: var(--tipz-green); }

/* ============================================
   CONTENT CARDS
   ============================================ */
.content-card {
    background: var(--academy-card-bg);
    border: 1px solid var(--academy-card-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    height: 100%;
    display: flex; flex-direction: column;
}
.content-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.content-card[data-type="video"]:hover { border-color: var(--type-video); box-shadow: 0 12px 40px rgba(6,182,212,0.15); }
.content-card[data-type="document"]:hover { border-color: var(--type-document); box-shadow: 0 12px 40px rgba(239,68,68,0.15); }
.content-card[data-type="article"]:hover { border-color: var(--type-article); box-shadow: 0 12px 40px rgba(16,185,129,0.15); }
.content-card[data-type="guide"]:hover { border-color: var(--type-guide); box-shadow: 0 12px 40px rgba(245,158,11,0.15); }
.featured-card { border-color: rgba(245,158,11,0.3); }

/* Thumbnail */
.card-thumbnail {
    position: relative;
    width: 100%; padding-top: 56.25%; /* 16:9 */
    overflow: hidden; background: #111827;
}
.card-thumbnail img {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.4s ease;
}
.content-card:hover .card-thumbnail img { transform: scale(1.05); }

.placeholder-thumb {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem;
}
.placeholder-thumb.type-video { background: linear-gradient(135deg, #164E63, #0E7490); color: var(--type-video); }
.placeholder-thumb.type-document { background: linear-gradient(135deg, #450A0A, #7F1D1D); color: var(--type-document); }
.placeholder-thumb.type-article { background: linear-gradient(135deg, #064E3B, #065F46); color: var(--type-article); }
.placeholder-thumb.type-guide { background: linear-gradient(135deg, #451A03, #78350F); color: var(--type-guide); }

/* Play overlay */
.play-overlay {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.3);
    opacity: 0; transition: opacity 0.3s ease;
    cursor: pointer;
}
.content-card:hover .play-overlay { opacity: 1; }
.play-overlay i {
    font-size: 3.5rem; color: #fff;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
    animation: pulse-play 2s ease-in-out infinite;
}
@keyframes pulse-play {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Card body */
.card-body-content {
    padding: 1rem 1.25rem 1.25rem;
    flex: 1; display: flex; flex-direction: column;
}
.type-badge {
    display: inline-block; padding: 0.2rem 0.6rem;
    border-radius: 50px; font-size: 0.7rem;
    font-weight: 600; text-transform: uppercase;
    margin-right: 0.4rem;
}
.type-badge.type-video { background: rgba(6,182,212,0.15); color: var(--type-video); }
.type-badge.type-document { background: rgba(239,68,68,0.15); color: var(--type-document); }
.type-badge.type-article { background: rgba(16,185,129,0.15); color: var(--type-article); }
.type-badge.type-guide { background: rgba(245,158,11,0.15); color: var(--type-guide); }

.category-tag {
    display: inline-block; padding: 0.2rem 0.6rem;
    border-radius: 50px; font-size: 0.7rem; font-weight: 500;
    background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6);
}
.card-title-text {
    color: #fff; font-size: 1rem; font-weight: 600;
    margin: 0.5rem 0 0.3rem; line-height: 1.3;
}
.card-desc {
    color: rgba(255,255,255,0.5); font-size: 0.825rem;
    line-height: 1.5; margin: 0 0 0.75rem;
    flex: 1;
}
.btn-cta-card {
    display: inline-flex; align-items: center;
    padding: 0.45rem 1rem; border-radius: 50px;
    font-size: 0.8rem; font-weight: 600;
    background: linear-gradient(135deg, var(--tipz-green), var(--tipz-green-dark));
    color: #fff !important; border: none;
    transition: all 0.3s ease; text-decoration: none;
    margin-top: auto; align-self: flex-start;
}
.btn-cta-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,168,89,0.4);
    color: #fff !important;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center; padding: 4rem 1rem;
    color: rgba(255,255,255,0.4);
}
.empty-state h4 { color: rgba(255,255,255,0.7); margin: 1rem 0 0.5rem; }
.empty-state p { max-width: 400px; margin: 0 auto; }

/* ============================================
   CTA REGISTER
   ============================================ */
.cta-register {
    background: linear-gradient(135deg, #1A2332 0%, #0D4F5E 100%);
    border-radius: 1rem; padding: 2rem;
    border: 1px solid rgba(6,182,212,0.2);
}
.cta-inner {
    display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.cta-inner > i { font-size: 2.5rem; color: var(--type-video); }
.cta-inner > div { flex: 1; min-width: 200px; }
.cta-inner h4 { color: #fff; font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
.cta-inner p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin: 0; }
.btn-cta {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: linear-gradient(135deg, var(--tipz-green), var(--tipz-green-dark));
    color: #fff !important; padding: 0.75rem 1.5rem;
    border-radius: 50px; font-weight: 600; text-decoration: none;
    transition: all 0.3s ease; white-space: nowrap;
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0,168,89,0.4); color: #fff !important; }

/* ============================================
   MODAL STYLES
   ============================================ */
#videoModal .modal-content { border-radius: 1rem; overflow: hidden; }
#articleModal .modal-body { font-size: 0.95rem; color: rgba(255,255,255,0.85); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .academy-hero { margin-top: 70px; padding: 2rem 0 1.5rem; }
    .hero-inner h1 { font-size: 1.5rem; }
    .type-pills { gap: 0.3rem; }
    .type-pills .pill { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
    .cta-inner { flex-direction: column; text-align: center; }
    .cta-inner > i { font-size: 2rem; }
}

/* ============================================
   MARKDOWN CONTENT - Dark Theme
   ============================================ */
.md-content { color: rgba(255,255,255,0.85); font-size: 1rem; line-height: 1.8; }
.md-content h1 { color: #fff; font-size: 1.75rem; font-weight: 700; margin: 2rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.md-content h2 { color: #fff; font-size: 1.5rem; font-weight: 700; margin: 1.75rem 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.md-content h3 { color: var(--tipz-green); font-size: 1.25rem; font-weight: 600; margin: 1.5rem 0 0.5rem; }
.md-content h4 { color: #fff; font-size: 1.1rem; font-weight: 600; margin: 1.25rem 0 0.5rem; }
.md-content p { margin: 0 0 1rem; }
.md-content strong { color: #fff; }
.md-content em { color: rgba(255,255,255,0.7); }
.md-content a { color: var(--tipz-green); text-decoration: underline; }
.md-content a:hover { color: #00D46A; }
.md-content blockquote {
    border-left: 4px solid var(--tipz-green);
    background: rgba(0,168,89,0.08);
    padding: 0.75rem 1rem; margin: 1rem 0;
    border-radius: 0 0.5rem 0.5rem 0;
    color: rgba(255,255,255,0.8);
}
.md-content blockquote p:last-child { margin-bottom: 0; }
.md-content code {
    background: rgba(255,255,255,0.1); color: #67E8F9;
    padding: 0.15rem 0.4rem; border-radius: 4px;
    font-size: 0.875em;
}
.md-content pre { background: #111827; border: 1px solid #1F2937; border-radius: 0.5rem; padding: 1rem; overflow-x: auto; margin: 1rem 0; }
.md-content pre code { background: none; color: #E5E7EB; padding: 0; font-size: 0.85rem; }
.md-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.md-content th { background: rgba(255,255,255,0.08); color: #fff; font-weight: 600; text-align: left; padding: 0.6rem 0.75rem; border: 1px solid rgba(255,255,255,0.1); }
.md-content td { padding: 0.5rem 0.75rem; border: 1px solid rgba(255,255,255,0.08); }
.md-content tr:nth-child(even) { background: rgba(255,255,255,0.03); }
.md-content ul, .md-content ol { padding-left: 1.5rem; margin: 0.5rem 0 1rem; }
.md-content li { margin-bottom: 0.3rem; }
.md-content hr { border: none; border-top: 1px solid rgba(255,255,255,0.1); margin: 1.5rem 0; }
.md-content img { max-width: 100%; height: auto; border-radius: 0.5rem; margin: 1rem 0; }