:root{--pdap-primary:#FF6B00;--pdap-secondary:#1A1A2E;--pdap-accent:#FFD700;--pdap-font:'Syne', sans-serif;--pdap-body-font:'DM Sans', sans-serif;--pdap-radius:12px;--pdap-radius-sm:6px;--pdap-radius-lg:20px;--pdap-shadow:0 4px 24px rgba(0,0,0,0.08);--pdap-shadow-lg:0 12px 48px rgba(0,0,0,0.14);--pdap-transition:all .22s cubic-bezier(.4,0,.2,1);--pdap-gray-50:#F8F9FA;--pdap-gray-100:#F1F3F5;--pdap-gray-200:#E9ECEF;--pdap-gray-400:#ADB5BD;--pdap-gray-600:#6C757D;--pdap-gray-800:#343A40;--pdap-gray-900:#212529;--pdap-success:#2DCB71;--pdap-warning:#FF9F1C;--pdap-error:#E63946;--pdap-info:#4CC9F0}.pdap-wrap *{box-sizing:border-box}.pdap-wrap{font-family:var(--pdap-body-font);color:var(--pdap-gray-900);line-height:1.65}.pdap-grid{display:grid;gap:24px}.pdap-grid--2{grid-template-columns:repeat(2,1fr)}.pdap-grid--3{grid-template-columns:repeat(3,1fr)}.pdap-grid--4{grid-template-columns:repeat(4,1fr)}.pdap-flex{display:flex;gap:16px;align-items:center}.pdap-flex--col{flex-direction:column;align-items:flex-start}.pdap-flex--between{justify-content:space-between}.pdap-flex--wrap{flex-wrap:wrap}.pdap-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--pdap-radius);font-family:var(--pdap-font);font-weight:600;font-size:15px;cursor:pointer;text-decoration:none;transition:var(--pdap-transition);white-space:nowrap}.pdap-btn--primary{background:var(--pdap-primary);color:#fff}.pdap-btn--primary:hover{background:#e55c00;transform:translateY(-1px);box-shadow:0 6px 24px rgb(255 107 0 / .35)}.pdap-btn--secondary{background:var(--pdap-secondary);color:#fff}.pdap-btn--secondary:hover{background:#2a2a4e;transform:translateY(-1px)}.pdap-btn--outline{background:#fff0;color:var(--pdap-primary);border:2px solid var(--pdap-primary)}.pdap-btn--outline:hover{background:var(--pdap-primary);color:#fff}.pdap-btn--ghost{background:var(--pdap-gray-100);color:var(--pdap-gray-800)}.pdap-btn--ghost:hover{background:var(--pdap-gray-200)}.pdap-btn--sm{padding:8px 16px;font-size:13px}.pdap-btn--lg{padding:16px 32px;font-size:17px}.pdap-btn--full{width:100%;justify-content:center}.pdap-btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.pdap-btn svg,.pdap-btn .pdap-icon{width:18px;height:18px;flex-shrink:0}.pdap-card{background:#fff;border-radius:var(--pdap-radius-lg);box-shadow:var(--pdap-shadow);overflow:hidden;transition:var(--pdap-transition)}.pdap-card:hover{box-shadow:var(--pdap-shadow-lg);transform:translateY(-2px)}.pdap-card__image{position:relative;overflow:hidden;aspect-ratio:16/9}.pdap-card__image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.pdap-card:hover .pdap-card__image img{transform:scale(1.04)}.pdap-card__badge{position:absolute;top:12px;left:12px;background:var(--pdap-primary);color:#fff;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;font-family:var(--pdap-font)}.pdap-card__body{padding:24px}.pdap-card__meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:10px}.pdap-card__meta-item{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--pdap-gray-600)}.pdap-card__title{font-family:var(--pdap-font);font-size:18px;font-weight:700;color:var(--pdap-gray-900);margin:0 0 8px;line-height:1.3}.pdap-card__excerpt{font-size:14px;color:var(--pdap-gray-600);margin:0 0 16px}.pdap-card__footer{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--pdap-gray-100)}.pdap-card__price{font-family:var(--pdap-font);font-size:22px;font-weight:800;color:var(--pdap-primary)}.pdap-card__compare-price{font-size:14px;color:var(--pdap-gray-400);text-decoration:line-through;margin-left:4px}.pdap-progress{width:100%}.pdap-progress__bar{height:8px;background:var(--pdap-gray-200);border-radius:999px;overflow:hidden}.pdap-progress__fill{height:100%;background:linear-gradient(90deg,var(--pdap-primary),var(--pdap-accent));border-radius:999px;transition:width .6s ease}.pdap-progress__label{display:flex;justify-content:space-between;font-size:12px;color:var(--pdap-gray-600);margin-top:4px}.pdap-progress--lg .pdap-progress__bar{height:12px}.pdap-form{width:100%}.pdap-form-group{margin-bottom:20px}.pdap-label{display:block;font-size:14px;font-weight:600;color:var(--pdap-gray-800);margin-bottom:6px}.pdap-label .required{color:var(--pdap-error);margin-left:2px}.pdap-input,.pdap-select,.pdap-textarea{width:100%;padding:12px 16px;border:2px solid var(--pdap-gray-200);border-radius:var(--pdap-radius);font-family:var(--pdap-body-font);font-size:15px;color:var(--pdap-gray-900);background:#fff;transition:var(--pdap-transition);outline:none}.pdap-input:focus,.pdap-select:focus,.pdap-textarea:focus{border-color:var(--pdap-primary);box-shadow:0 0 0 3px rgb(255 107 0 / .12)}.pdap-input.error,.pdap-select.error{border-color:var(--pdap-error)}.pdap-textarea{resize:vertical;min-height:120px}.pdap-input-icon{position:relative}.pdap-input-icon .pdap-input{padding-left:44px}.pdap-input-icon .icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--pdap-gray-400)}.pdap-form-error{font-size:12px;color:var(--pdap-error);margin-top:4px;display:flex;gap:4px;align-items:center}.pdap-form-help{font-size:12px;color:var(--pdap-gray-600);margin-top:4px}.pdap-radio-group,.pdap-check-group{display:flex;flex-direction:column;gap:10px}.pdap-radio-item,.pdap-check-item{display:flex;align-items:center;gap:10px;cursor:pointer}.pdap-radio-item input,.pdap-check-item input{display:none}.pdap-radio-box,.pdap-check-box{width:20px;height:20px;border:2px solid var(--pdap-gray-300);border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:var(--pdap-transition)}.pdap-check-box{border-radius:5px}.pdap-radio-item input:checked~.pdap-radio-box,.pdap-check-item input:checked~.pdap-check-box{background:var(--pdap-primary);border-color:var(--pdap-primary)}.pdap-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;font-family:var(--pdap-font)}.pdap-badge--primary{background:rgb(255 107 0 / .12);color:var(--pdap-primary)}.pdap-badge--success{background:rgb(45 203 113 / .12);color:var(--pdap-success)}.pdap-badge--warning{background:rgb(255 159 28 / .12);color:var(--pdap-warning)}.pdap-badge--error{background:rgb(230 57 70 / .12);color:var(--pdap-error)}.pdap-badge--info{background:rgb(76 201 240 / .12);color:var(--pdap-info)}.pdap-badge--gray{background:var(--pdap-gray-100);color:var(--pdap-gray-600)}.pdap-notice{display:flex;gap:12px;align-items:flex-start;padding:16px 20px;border-radius:var(--pdap-radius);font-size:14px;margin:16px 0}.pdap-notice--info{background:rgb(76 201 240 / .1);border-left:4px solid var(--pdap-info)}.pdap-notice--success{background:rgb(45 203 113 / .1);border-left:4px solid var(--pdap-success)}.pdap-notice--warning{background:rgb(255 159 28 / .1);border-left:4px solid var(--pdap-warning)}.pdap-notice--error{background:rgb(230 57 70 / .1);border-left:4px solid var(--pdap-error)}.pdap-section-header{text-align:center;margin-bottom:48px}.pdap-section-header .eyebrow{display:inline-block;font-family:var(--pdap-font);font-size:12px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--pdap-primary);background:rgb(255 107 0 / .08);padding:4px 14px;border-radius:999px;margin-bottom:12px}.pdap-section-header h2{font-family:var(--pdap-font);font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--pdap-gray-900);margin:0 0 12px}.pdap-section-header p{color:var(--pdap-gray-600);font-size:16px;max-width:600px;margin:0 auto}.pdap-catalog{padding:40px 0}.pdap-catalog__filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px;align-items:center}.pdap-catalog__search{flex:1;min-width:220px}.pdap-catalog__filter-pills{display:flex;gap:8px;flex-wrap:wrap}.pdap-pill{padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;background:var(--pdap-gray-100);color:var(--pdap-gray-700);cursor:pointer;border:2px solid #fff0;transition:var(--pdap-transition)}.pdap-pill.active,.pdap-pill:hover{background:var(--pdap-primary);color:#fff;border-color:var(--pdap-primary)}.pdap-catalog__count{font-size:14px;color:var(--pdap-gray-600);margin-left:auto}.pdap-catalog__grid{display:grid;gap:28px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.pdap-catalog__empty{text-align:center;padding:80px 20px;color:var(--pdap-gray-400)}.pdap-catalog__empty svg{width:80px;height:80px;margin-bottom:16px}.pdap-course-hero{background:var(--pdap-secondary);color:#fff;padding:60px 0}.pdap-course-hero__inner{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start}.pdap-course-breadcrumb{font-size:13px;color:rgb(255 255 255 / .6);margin-bottom:16px}.pdap-course-breadcrumb a{color:rgb(255 255 255 / .6)}.pdap-course-hero__title{font-family:var(--pdap-font);font-size:clamp(24px,4vw,38px);font-weight:800;margin:0 0 16px;line-height:1.2}.pdap-course-hero__excerpt{font-size:16px;color:rgb(255 255 255 / .8);margin-bottom:24px}.pdap-course-hero__meta{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:24px}.pdap-course-hero__meta-item{display:flex;align-items:center;gap:6px;font-size:14px;color:rgb(255 255 255 / .75)}.pdap-course-hero__stars{color:var(--pdap-accent);font-size:14px}.pdap-course-enroll-card{background:#fff;border-radius:var(--pdap-radius-lg);overflow:hidden;position:sticky;top:24px;box-shadow:var(--pdap-shadow-lg)}.pdap-course-enroll-card__video{position:relative;aspect-ratio:16/9;background:var(--pdap-gray-900);cursor:pointer}.pdap-course-enroll-card__video img{width:100%;height:100%;object-fit:cover}.pdap-course-enroll-card__play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgb(0 0 0 / .35)}.pdap-course-enroll-card__play svg{width:60px;height:60px;fill:#fff;filter:drop-shadow(0 4px 12px rgb(0 0 0 / .4))}.pdap-course-enroll-card__body{padding:24px}.pdap-course-enroll-card__price{font-family:var(--pdap-font);font-size:34px;font-weight:900;color:var(--pdap-primary);margin-bottom:4px}.pdap-course-enroll-card__compare{font-size:16px;color:var(--pdap-gray-400);text-decoration:line-through}.pdap-course-enroll-card__features{margin:16px 0;display:flex;flex-direction:column;gap:10px}.pdap-course-enroll-card__feature{display:flex;gap:10px;align-items:center;font-size:14px}.pdap-course-enroll-card__feature svg{color:var(--pdap-success);flex-shrink:0;width:18px}.pdap-dashboard{display:grid;grid-template-columns:260px 1fr;gap:32px;max-width:1200px;margin:0 auto;padding:40px 24px;min-height:calc(100vh - 200px)}.pdap-sidebar{display:flex;flex-direction:column;gap:8px}.pdap-sidebar__nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--pdap-radius);font-size:15px;font-weight:600;color:var(--pdap-gray-700);text-decoration:none;transition:var(--pdap-transition);position:relative}.pdap-sidebar__nav-item:hover,.pdap-sidebar__nav-item.active{background:rgb(255 107 0 / .08);color:var(--pdap-primary)}.pdap-sidebar__nav-item.active::before{content:'';position:absolute;left:0;top:20%;bottom:20%;width:3px;background:var(--pdap-primary);border-radius:999px}.pdap-sidebar__nav-item svg{width:20px;height:20px;flex-shrink:0}.pdap-sidebar__badge{margin-left:auto;background:var(--pdap-primary);color:#fff;font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px}.pdap-sidebar__user{padding:20px 16px;margin-bottom:8px;border-bottom:1px solid var(--pdap-gray-100);display:flex;align-items:center;gap:12px}.pdap-sidebar__avatar{width:44px;height:44px;border-radius:50%;object-fit:cover}.pdap-sidebar__name{font-weight:700;font-size:15px;color:var(--pdap-gray-900)}.pdap-sidebar__email{font-size:12px;color:var(--pdap-gray-500)}.pdap-main-content{min-width:0}.pdap-stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin-bottom:32px}.pdap-stat-card{background:#fff;border-radius:var(--pdap-radius-lg);padding:20px;box-shadow:var(--pdap-shadow)}.pdap-stat-card__icon{width:44px;height:44px;border-radius:12px;background:rgb(255 107 0 / .1);display:flex;align-items:center;justify-content:center;margin-bottom:12px}.pdap-stat-card__icon svg{width:22px;color:var(--pdap-primary)}.pdap-stat-card__value{font-family:var(--pdap-font);font-size:28px;font-weight:800;color:var(--pdap-gray-900)}.pdap-stat-card__label{font-size:13px;color:var(--pdap-gray-600);margin-top:2px}.pdap-my-courses{display:flex;flex-direction:column;gap:16px}.pdap-course-row{background:#fff;border-radius:var(--pdap-radius-lg);padding:20px;display:grid;grid-template-columns:80px 1fr auto;gap:16px;align-items:center;box-shadow:var(--pdap-shadow);transition:var(--pdap-transition)}.pdap-course-row:hover{box-shadow:var(--pdap-shadow-lg)}.pdap-course-row__thumb{width:80px;height:60px;border-radius:var(--pdap-radius-sm);object-fit:cover}.pdap-course-row__title{font-family:var(--pdap-font);font-weight:700;font-size:16px;color:var(--pdap-gray-900);margin-bottom:6px}.pdap-course-row__actions{display:flex;gap:8px}.pdap-checkout{max-width:900px;margin:40px auto;padding:0 24px;display:grid;grid-template-columns:1fr 380px;gap:32px;align-items:start}.pdap-checkout__form-section{background:#fff;border-radius:var(--pdap-radius-lg);padding:32px;box-shadow:var(--pdap-shadow)}.pdap-checkout__summary{background:#fff;border-radius:var(--pdap-radius-lg);padding:28px;box-shadow:var(--pdap-shadow);position:sticky;top:24px}.pdap-checkout__summary-title{font-family:var(--pdap-font);font-weight:800;font-size:18px;margin-bottom:16px}.pdap-checkout__summary-thumb{width:100%;border-radius:var(--pdap-radius-sm);margin-bottom:16px;aspect-ratio:16/9;object-fit:cover}.pdap-checkout__total{border-top:2px solid var(--pdap-gray-100);padding-top:16px;margin-top:16px}.pdap-checkout__total-row{display:flex;justify-content:space-between;font-size:14px;color:var(--pdap-gray-600);margin-bottom:8px}.pdap-checkout__total-row.total{font-family:var(--pdap-font);font-size:22px;font-weight:800;color:var(--pdap-primary)}.pdap-payment-tabs{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}.pdap-payment-tab{flex:1;min-width:100px;padding:14px 12px;border-radius:var(--pdap-radius);border:2px solid var(--pdap-gray-200);text-align:center;cursor:pointer;transition:var(--pdap-transition);background:#fff}.pdap-payment-tab img{width:32px;height:32px;object-fit:contain;margin-bottom:4px;display:block;margin:0 auto 4px}.pdap-payment-tab span{font-size:12px;font-weight:600;color:var(--pdap-gray-700);display:block;margin-top:4px}.pdap-payment-tab.active{border-color:var(--pdap-primary);background:rgb(255 107 0 / .04)}.pdap-payment-tab:hover{border-color:var(--pdap-primary)}.pdap-payment-panel{display:none}.pdap-payment-panel.active{display:block}.pdap-installments{margin-top:16px}.pdap-installment-option{display:flex;align-items:center;gap:12px;padding:12px 16px;border:2px solid var(--pdap-gray-200);border-radius:var(--pdap-radius);margin-bottom:8px;cursor:pointer;transition:var(--pdap-transition)}.pdap-installment-option.active{border-color:var(--pdap-primary);background:rgb(255 107 0 / .04)}.pdap-installment-option .label{font-weight:600;font-size:14px}.pdap-installment-option .amount{margin-left:auto;font-family:var(--pdap-font);font-weight:700;color:var(--pdap-primary)}.pdap-player-layout{display:grid;grid-template-columns:1fr 320px;min-height:calc(100vh - 80px)}.pdap-player-main{overflow:auto}.pdap-player-sidebar{border-left:1px solid var(--pdap-gray-200);background:#fff;overflow-y:auto;position:sticky;top:0;max-height:calc(100vh - 80px)}.pdap-player-header{padding:20px 24px;border-bottom:1px solid var(--pdap-gray-100);display:flex;align-items:center;justify-content:space-between}.pdap-player-title{font-family:var(--pdap-font);font-weight:700;font-size:18px}.pdap-player-content{padding:32px 40px;max-width:800px}.pdap-video-wrap{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--pdap-radius);overflow:hidden;margin-bottom:24px}.pdap-video-wrap iframe,.pdap-video-wrap video{width:100%;height:100%;border:none}.pdap-module{border-bottom:1px solid var(--pdap-gray-100)}.pdap-module__header{display:flex;align-items:center;gap:12px;padding:14px 20px;cursor:pointer}.pdap-module__icon{transition:var(--pdap-transition)}.pdap-module.open .pdap-module__icon{transform:rotate(90deg)}.pdap-module__title{font-weight:700;font-size:14px;flex:1;color:var(--pdap-gray-900)}.pdap-module__count{font-size:12px;color:var(--pdap-gray-500)}.pdap-module__lessons{display:none}.pdap-module.open .pdap-module__lessons{display:block}.pdap-lesson-item{display:flex;align-items:center;gap:10px;padding:10px 20px 10px 36px;cursor:pointer;transition:var(--pdap-transition);text-decoration:none}.pdap-lesson-item:hover{background:var(--pdap-gray-50)}.pdap-lesson-item.active{background:rgb(255 107 0 / .06);color:var(--pdap-primary)}.pdap-lesson-item__check{width:18px;height:18px;border-radius:50%;border:2px solid var(--pdap-gray-300);flex-shrink:0;display:flex;align-items:center;justify-content:center}.pdap-lesson-item.completed .pdap-lesson-item__check{background:var(--pdap-success);border-color:var(--pdap-success)}.pdap-lesson-item.completed .pdap-lesson-item__check::after{content:'✓';color:#fff;font-size:10px;font-weight:700}.pdap-lesson-item__title{font-size:13px;font-weight:500;flex:1;color:var(--pdap-gray-800)}.pdap-lesson-item__duration{font-size:11px;color:var(--pdap-gray-500)}.pdap-lesson-item__free{font-size:10px;background:rgb(45 203 113 / .12);color:var(--pdap-success);padding:2px 6px;border-radius:999px;font-weight:600}.pdap-mark-complete-bar{padding:20px 40px;border-top:1px solid var(--pdap-gray-100);display:flex;align-items:center;gap:16px}.pdap-mark-complete-bar .pdap-btn--success{background:var(--pdap-success);color:#fff}.pdap-mark-complete-bar .pdap-btn--success:hover{background:#24a85c}.pdap-quiz-wrap{max-width:700px;margin:0 auto;padding:40px 24px}.pdap-quiz-header{margin-bottom:32px}.pdap-quiz-header__title{font-family:var(--pdap-font);font-size:26px;font-weight:800;margin-bottom:8px}.pdap-quiz-timer{display:flex;align-items:center;gap:8px;font-family:var(--pdap-font);font-size:20px;font-weight:700;color:var(--pdap-primary)}.pdap-quiz-timer.urgent{color:var(--pdap-error);animation:pulse 1s infinite}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}.pdap-question{background:#fff;border-radius:var(--pdap-radius-lg);padding:28px;box-shadow:var(--pdap-shadow);margin-bottom:20px}.pdap-question__number{font-size:12px;font-weight:700;color:var(--pdap-primary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.pdap-question__text{font-family:var(--pdap-font);font-weight:700;font-size:17px;margin-bottom:20px;color:var(--pdap-gray-900)}.pdap-answer-option{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--pdap-radius);border:2px solid var(--pdap-gray-200);margin-bottom:10px;cursor:pointer;transition:var(--pdap-transition)}.pdap-answer-option:hover{border-color:var(--pdap-primary);background:rgb(255 107 0 / .04)}.pdap-answer-option.selected{border-color:var(--pdap-primary);background:rgb(255 107 0 / .08)}.pdap-answer-option.correct{border-color:var(--pdap-success);background:rgb(45 203 113 / .08)}.pdap-answer-option.wrong{border-color:var(--pdap-error);background:rgb(230 57 70 / .06)}.pdap-answer-box{width:22px;height:22px;border-radius:50%;border:2px solid var(--pdap-gray-300);flex-shrink:0;display:flex;align-items:center;justify-content:center}.pdap-answer-option.selected .pdap-answer-box{background:var(--pdap-primary);border-color:var(--pdap-primary)}.pdap-quiz-result{text-align:center;padding:48px 24px}.pdap-quiz-result__circle{width:120px;height:120px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 24px;border:6px solid}.pdap-quiz-result__circle.passed{border-color:var(--pdap-success);color:var(--pdap-success)}.pdap-quiz-result__circle.failed{border-color:var(--pdap-error);color:var(--pdap-error)}.pdap-quiz-result__score{font-family:var(--pdap-font);font-size:32px;font-weight:900}.pdap-messages-layout{display:grid;grid-template-columns:300px 1fr;gap:0;background:#fff;border-radius:var(--pdap-radius-lg);box-shadow:var(--pdap-shadow);overflow:hidden;min-height:520px;max-height:80vh}.pdap-threads-list{border-right:1px solid var(--pdap-gray-200);overflow-y:auto}.pdap-threads-list__header{padding:20px;border-bottom:1px solid var(--pdap-gray-100);display:flex;align-items:center;justify-content:space-between}.pdap-thread-item{padding:16px 20px;border-bottom:1px solid var(--pdap-gray-50);cursor:pointer;transition:var(--pdap-transition)}.pdap-thread-item:hover,.pdap-thread-item.active{background:rgb(255 107 0 / .05)}.pdap-thread-item__name{font-weight:700;font-size:14px;margin-bottom:2px;display:flex;align-items:center;gap:8px}.pdap-thread-item__preview{font-size:12px;color:var(--pdap-gray-600);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}.pdap-thread-item__time{font-size:11px;color:var(--pdap-gray-400);margin-left:auto}.pdap-thread-item__unread{background:var(--pdap-primary);color:#fff;font-size:10px;font-weight:700;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center}.pdap-chat-area{display:flex;flex-direction:column}.pdap-chat-header{padding:16px 24px;border-bottom:1px solid var(--pdap-gray-100);display:flex;align-items:center;gap:12px}.pdap-chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.pdap-message-bubble{max-width:70%}.pdap-message-bubble.mine{align-self:flex-end}.pdap-message-bubble.theirs{align-self:flex-start}.pdap-message-bubble__meta{font-size:11px;color:var(--pdap-gray-500);margin-bottom:4px;display:flex;align-items:center;gap:6px}.pdap-message-bubble.mine .pdap-message-bubble__meta{justify-content:flex-end}.pdap-message-bubble__content{padding:12px 16px;border-radius:18px;font-size:14px;line-height:1.5}.pdap-message-bubble.mine .pdap-message-bubble__content{background:var(--pdap-primary);color:#fff;border-bottom-right-radius:4px}.pdap-message-bubble.theirs .pdap-message-bubble__content{background:var(--pdap-gray-100);color:var(--pdap-gray-900);border-bottom-left-radius:4px}.pdap-chat-input-area{padding:16px 24px;border-top:1px solid var(--pdap-gray-100);display:flex;gap:10px}.pdap-chat-input-area .pdap-input{flex:1}.pdap-cert-card{background:linear-gradient(135deg,#fff 70%,rgb(255 107 0 / .05));border:1px solid var(--pdap-gray-200);border-radius:var(--pdap-radius-lg);padding:24px;display:flex;gap:20px;align-items:center;transition:var(--pdap-transition)}.pdap-cert-card:hover{box-shadow:var(--pdap-shadow-lg)}.pdap-cert-card__icon{width:56px;height:56px;border-radius:14px;background:rgb(255 107 0 / .1);display:flex;align-items:center;justify-content:center;flex-shrink:0}.pdap-cert-card__icon svg{width:28px;color:var(--pdap-primary)}.pdap-cert-card__body{flex:1}.pdap-cert-card__title{font-family:var(--pdap-font);font-weight:700;font-size:16px;margin-bottom:4px}.pdap-cert-card__no{font-size:12px;color:var(--pdap-gray-500);font-family:monospace}.pdap-cert-card__actions{display:flex;gap:8px}.pdap-auth-wrap{max-width:440px;margin:60px auto;padding:0 24px}.pdap-auth-card{background:#fff;border-radius:var(--pdap-radius-lg);padding:40px;box-shadow:var(--pdap-shadow-lg)}.pdap-auth-card__logo{text-align:center;margin-bottom:32px}.pdap-auth-card__logo img{max-height:60px}.pdap-auth-card__title{font-family:var(--pdap-font);font-size:26px;font-weight:800;text-align:center;margin-bottom:8px}.pdap-auth-card__sub{text-align:center;color:var(--pdap-gray-600);font-size:14px;margin-bottom:28px}.pdap-auth-divider{text-align:center;color:var(--pdap-gray-400);font-size:13px;margin:16px 0;position:relative}.pdap-auth-divider::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:var(--pdap-gray-200)}.pdap-auth-divider span{background:#fff;padding:0 12px;position:relative}.pdap-auth-links{text-align:center;font-size:14px;color:var(--pdap-gray-600);margin-top:20px}.pdap-auth-links a{color:var(--pdap-primary);font-weight:600}.pdap-profile{display:grid;grid-template-columns:280px 1fr;gap:32px}.pdap-profile-card{background:#fff;border-radius:var(--pdap-radius-lg);padding:32px;box-shadow:var(--pdap-shadow);text-align:center}.pdap-profile-avatar-wrap{position:relative;width:100px;height:100px;margin:0 auto 16px}.pdap-profile-avatar{width:100px;height:100px;border-radius:50%;object-fit:cover;border:4px solid var(--pdap-gray-100)}.pdap-profile-avatar-edit{position:absolute;bottom:0;right:0;width:30px;height:30px;background:var(--pdap-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.pdap-profile-avatar-edit svg{width:14px;color:#fff}.pdap-spinner{width:24px;height:24px;border:3px solid var(--pdap-gray-200);border-top-color:var(--pdap-primary);border-radius:50%;animation:pdap-spin .7s linear infinite;display:inline-block}@keyframes pdap-spin{to{transform:rotate(360deg)}}.pdap-loading-overlay{position:fixed;inset:0;background:rgb(255 255 255 / .8);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999}#pdap-toasts{position:fixed;bottom:24px;right:24px;z-index:99999;display:flex;flex-direction:column;gap:10px;pointer-events:none}.pdap-toast{background:#fff;border-radius:var(--pdap-radius);padding:14px 20px;box-shadow:0 8px 32px rgb(0 0 0 / .14);display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500;min-width:280px;max-width:380px;pointer-events:all;animation:pdap-toast-in .3s ease;border-left:4px solid var(--pdap-success)}.pdap-toast.error{border-left-color:var(--pdap-error)}.pdap-toast.warning{border-left-color:var(--pdap-warning)}.pdap-toast.info{border-left-color:var(--pdap-info)}@keyframes pdap-toast-in{from{transform:translateX(100%);opacity:0}to{transform:none;opacity:1}}.pdap-modal-overlay{position:fixed;inset:0;background:rgb(26 26 46 / .6);backdrop-filter:blur(6px);z-index:99990;display:flex;align-items:center;justify-content:center;animation:pdap-fade-in .2s ease}.pdap-modal{background:#fff;border-radius:var(--pdap-radius-lg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;animation:pdap-slide-up .3s ease;margin:16px}.pdap-modal__header{padding:24px 28px;border-bottom:1px solid var(--pdap-gray-100);display:flex;align-items:center;justify-content:space-between}.pdap-modal__title{font-family:var(--pdap-font);font-weight:800;font-size:20px}.pdap-modal__close{background:var(--pdap-gray-100);border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--pdap-transition)}.pdap-modal__close:hover{background:var(--pdap-gray-200)}.pdap-modal__body{padding:28px}.pdap-modal__footer{padding:20px 28px;border-top:1px solid var(--pdap-gray-100);display:flex;gap:10px;justify-content:flex-end}@keyframes pdap-fade-in{from{opacity:0}to{opacity:1}}@keyframes pdap-slide-up{from{transform:translateY(20px);opacity:0}to{transform:none;opacity:1}}@media (max-width:1024px){.pdap-dashboard{grid-template-columns:1fr}.pdap-sidebar{display:none}.pdap-course-hero__inner{grid-template-columns:1fr}.pdap-checkout{grid-template-columns:1fr}.pdap-player-layout{grid-template-columns:1fr}.pdap-profile{grid-template-columns:1fr}}@media (max-width:768px){.pdap-grid--3,.pdap-grid--4{grid-template-columns:1fr}.pdap-grid--2{grid-template-columns:1fr}.pdap-messages-layout{grid-template-columns:1fr}.pdap-catalog__grid{grid-template-columns:1fr}.pdap-course-row{grid-template-columns:60px 1fr}.pdap-course-row__actions{grid-column:1/-1}.pdap-auth-card{padding:28px 20px}}@media (max-width:480px){.pdap-payment-tabs{grid-template-columns:repeat(2,1fr);display:grid}.pdap-stat-card{padding:16px}.pdap-section-header h2{font-size:24px}}.pdap-text-center{text-align:center}.pdap-text-right{text-align:right}.pdap-text-sm{font-size:13px}.pdap-text-lg{font-size:18px}.pdap-font-bold{font-weight:700}.pdap-font-heading{font-family:var(--pdap-font)}.pdap-color-primary{color:var(--pdap-primary)}.pdap-color-success{color:var(--pdap-success)}.pdap-color-muted{color:var(--pdap-gray-600)}.pdap-mt-8{margin-top:8px}.pdap-mt-16{margin-top:16px}.pdap-mt-24{margin-top:24px}.pdap-mb-16{margin-bottom:16px}.pdap-mb-24{margin-bottom:24px}.pdap-hidden{display:none!important}.pdap-sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.pdap-divider{border:none;border-top:1px solid var(--pdap-gray-200);margin:24px 0}:root{--pdap-primary:#ff6b00;--pdap-secondary:#1a1a2e;--pdap-accent:#ffd700;--pdap-font:\'Syne\', sans-serif;--pdap-radius:0;--pdap-radius-sm:calc(0 * 0.5);--pdap-radius-lg:calc(0 * 1.5)}