/**
 * Infinity Classes - Test Series Ecosystem Stylesheet
 * 1:1 Pixel-Perfect Modern Responsive Architecture
 */

/* Hero Header */
.ts-hero-clean {
    position: relative;
    background: #FFFDFB;
    background-image: 
        linear-gradient(rgba(245, 158, 11, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(245, 158, 11, 0.035) 1px, transparent 1px);
    background-size: 40px 40px;
    padding: 5rem 1rem 3.5rem;
    overflow: hidden;
    border-bottom: 1px solid #F1F5F9;
}

.ts-watermark {
    position: absolute;
    font-family: 'Times New Roman', 'Cambria Math', serif;
    font-style: italic;
    color: #94A3B8;
    opacity: 0.22;
    pointer-events: none;
    user-select: none;
}

.ts-wm-1 { top: 18%; left: 4%; font-size: 1.25rem; }
.ts-wm-2 { top: 16%; right: 4%; font-size: 1.15rem; }
.ts-wm-3 { bottom: 20%; left: 3%; font-size: 1.35rem; }
.ts-wm-4 { bottom: 18%; right: 3%; font-size: 1.25rem; }

.ts-eyebrow-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 1.15rem;
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: 9999px;
    color: #2563EB;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Filter Tab Pills */
.ts-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 700;
    color: #475569;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ts-tab-btn:hover {
    color: #0F172A;
}

.ts-tab-btn.active {
    background: #FFFFFF;
    color: #0F172A;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.ts-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 0.3rem;
    border-radius: 9999px;
    font-size: 0.68rem;
    font-weight: 800;
    background: #E2E8F0;
    color: #475569;
}

.ts-tab-btn.active .ts-tab-count {
    background: #0F172A;
    color: #FFFFFF;
}

/* Series Cards */
.ts-card {
    background: #FFFFFF;
    border-radius: 1.5rem;
    padding: 1.75rem;
    border: 1px solid #E2E8F0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.ts-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
    border-color: #CBD5E1;
}

.ts-card-paid {
    border-top: 4px solid #FF4D15;
}

.ts-card-free {
    border-top: 4px solid #10B981;
}

.ts-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ts-badge-paid {
    background: #FFF7ED;
    border: 1px solid #FED7AA;
    color: #EA580C;
}

.ts-badge-free {
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    color: #059669;
}

/* Action Buttons */
.ts-btn-explore {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 0.85rem;
    border-radius: 0.85rem;
    background: #F8FAFC;
    border: 1.5px solid #E2E8F0;
    color: #0F172A;
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
    transition: all 0.2s ease;
}

.ts-btn-explore:hover {
    background: #0F172A;
    color: #FFFFFF;
    border-color: #0F172A;
    transform: translateY(-1px);
}

.ts-btn-enroll {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 0.85rem;
    border-radius: 0.85rem;
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.ts-btn-free {
    background: #059669;
    color: #FFFFFF;
}

.ts-btn-free:hover {
    background: #047857;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(5, 150, 105, 0.3);
}

.ts-btn-paid {
    background: #FF4D15;
    color: #FFFFFF;
}

.ts-btn-paid:hover {
    background: #EA580C;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(255, 77, 21, 0.3);
}

/* ==========================================================================
   PORTAL TABS & SUBJECT SETS
   ========================================================================== */
.portal-main-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1.15rem;
    border-radius: 9999px;
    font-size: 0.82rem;
    font-weight: 800;
    color: #64748B;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.portal-main-tab:hover {
    color: #0F172A;
    background: #F8FAFC;
}

.portal-main-tab.active {
    background: #0F172A;
    color: #FFFFFF;
}

.subject-pill-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 800;
    color: #475569;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.subject-pill-btn:hover {
    border-color: #FDBA74;
    color: #EA580C;
}

.subject-pill-btn.active {
    background: #FF4D15;
    color: #FFFFFF;
    border-color: #FF4D15;
}

.cbt-set-card {
    background: #FFFFFF;
    border-radius: 1.25rem;
    padding: 1.35rem 1.5rem;
    border: 1px solid #E2E8F0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    transition: all 0.2s ease;
}

.cbt-set-card:hover {
    border-color: #FED7AA;
    box-shadow: 0 8px 24px -6px rgba(255, 77, 21, 0.12);
}

/* Exam / Class & Stream Filter Pills */
.ts-exam-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 800;
    color: #475569;
    background: #FFFFFF;
    border: 1.5px solid #E2E8F0;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.ts-exam-pill:hover {
    border-color: #CBD5E1;
    color: #0F172A;
    transform: translateY(-1px);
}

.ts-exam-pill.active {
    background: #0F172A;
    color: #FFFFFF;
    border-color: #0F172A;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
}

.ts-stream-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1.05rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 700;
    color: #64748B;
    background: #F8FAFC;
    border: 1.5px solid #E2E8F0;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.ts-stream-pill:hover {
    border-color: #FDBA74;
    color: #EA580C;
    background: #FFF7ED;
}

.ts-stream-pill.active {
    background: #FF4D15;
    color: #FFFFFF;
    border-color: #FF4D15;
    box-shadow: 0 4px 12px rgba(255, 77, 21, 0.25);
}

/* Modal Popup Smooth Effects */
#checkoutModal {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
#checkoutModalDialog {
    max-height: 90vh;
    overflow-y: auto;
}

/* ==========================================================================
   LMS SYSTEM DASHBOARD & SIDEBAR STYLES
   ========================================================================== */
.lms-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1.1rem;
    border-radius: 1.15rem;
    font-size: 0.82rem;
    font-weight: 800;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: 1.5px solid transparent;
    background: transparent;
    width: 100%;
    text-align: left;
}

.lms-nav-link:hover {
    background: #F8FAFC;
    color: #0F172A;
    border-color: #E2E8F0;
    transform: translateX(3px);
}

.lms-nav-link.active {
    background: #0F172A;
    color: #FFFFFF;
    border-color: #0F172A;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.25);
}

.lms-nav-link.active i {
    color: #FF4D15;
}

.lms-nav-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.68rem;
    font-weight: 800;
    font-family: ui-monospace, monospace;
}

.lms-view-content {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    animation: fadeInView 0.25s ease-out;
}

.lms-view-content.hidden,
#lmsView-profile.hidden {
    display: none !important;
}

#lmsView-profile {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
}

#lmsView-profile form {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 1.5rem !important;
}

#lmsView-profile form > div {
    width: 100% !important;
    max-width: 100% !important;
    display: block !important;
    box-sizing: border-box !important;
}

.avatar-select-card {
    min-width: 0 !important;
    width: 100% !important;
    min-height: 140px;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: space-between !important;
}

@keyframes fadeInView {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* LMS Full Web-App Header & Layout */
.lms-app-header {
    background: #FFFFFF;
    border-bottom: 1px solid #E2E8F0;
    height: 68px;
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.lms-search-input {
    background: #F8FAFC;
    border: 1.5px solid #E2E8F0;
    border-radius: 9999px;
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #1E293B;
    transition: all 0.2s ease;
    width: 100%;
    max-width: 320px;
}

.lms-search-input:focus {
    background: #FFFFFF;
    border-color: #FF4D15;
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 77, 21, 0.12);
}

.lms-profile-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.75rem 0.35rem 0.45rem;
    border-radius: 9999px;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    transition: all 0.2s ease;
}

.lms-profile-pill:hover {
    border-color: #CBD5E1;
    background: #F1F5F9;
}

/* Mobile App Bottom Navigation Bar Styles */
#mobileBottomNav {
    padding-bottom: calc(0.35rem + env(safe-area-inset-bottom, 0px));
}

.mobile-bottom-nav-item {
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-bottom-nav-item:active {
    transform: scale(0.92);
}

.mobile-bottom-nav-item.active i {
    color: #FF4D15;
    transform: translateY(-1px);
}

.mobile-bottom-nav-item.active .mobile-nav-dot {
    display: block !important;
}