* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, Segoe UI, Arial, sans-serif;
    background: #090d1d;
    color: #eaf1ff;
}
a { color: #9accff; text-decoration: none; }
html, body { overflow-x: hidden; }

.bg-glow {
    position: fixed;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    z-index: 0;
    pointer-events: none;
}
.bg-glow-1 { top: -180px; right: -120px; background: #264dff; }
.bg-glow-2 { bottom: -210px; left: -130px; background: #13b0c8; }

.app-shell {
    min-height: 100vh;
    max-width: 1680px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 8px 16px 12px;
}

.topbar {
    width: 100%;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
    background: rgba(20, 28, 62, 0.75);
    border: 1px solid #29346d;
    border-radius: 16px;
    padding: 12px 14px;
    backdrop-filter: blur(9px);
}
.brand-wrap { display: flex; gap: 10px; align-items: center; }
.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 800;
    background: linear-gradient(145deg, #2a62ff, #23d8d1);
    color: #fff;
}
.brand-text strong { display: block; font-size: 16px; letter-spacing: 1px; }
.brand-text span { display: block; font-size: 11px; color: #b8c5ff; }

.desktop-nav { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.desktop-nav a {
    padding: 9px 12px;
    border-radius: 10px;
    border: 1px solid transparent;
    color: #d4ddff;
    background: rgba(16, 24, 56, 0.5);
}
.desktop-nav a.active, .desktop-nav a:hover {
    background: linear-gradient(135deg, #2a62ff, #1b3da9);
    color: #fff;
}

.user-actions { display: flex; align-items: center; gap: 10px; }
.user-chip {
    display: grid;
    gap: 2px;
    background: rgba(12, 19, 43, 0.8);
    border: 1px solid #2e3d7b;
    border-radius: 10px;
    padding: 8px 10px;
}
.user-chip strong { font-size: 13px; }
.user-chip span { font-size: 11px; color: #b5c1ef; }
.logout-link {
    padding: 9px 11px;
    border-radius: 10px;
    background: #30214f;
    border: 1px solid #594490;
    color: #f2e9ff;
}

.mobile-menu-button {
    display: none;
    border: 1px solid #3b4b94;
    border-radius: 10px;
    background: #182454;
    color: #fff;
    width: 44px;
    height: 40px;
    padding: 8px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-direction: column;
}
.mobile-menu-button span {
    width: 20px;
    height: 2px;
    background: #dce8ff;
    border-radius: 10px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.mobile-nav {
    display: none;
    margin-top: 10px;
    background: #11183a;
    border: 1px solid #2f3a72;
    border-radius: 14px;
    padding: 10px;
    gap: 8px;
}
.mobile-nav a {
    display: block;
    padding: 10px;
    border-radius: 10px;
    background: #1b2653;
}
.mobile-nav a.active { background: #2a62ff; }
.menu-open .mobile-menu-button span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-open .mobile-menu-button span:nth-child(2) { opacity: 0; }
.menu-open .mobile-menu-button span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.content {
    margin-top: 10px;
    padding: 14px;
    border: 1px solid #263267;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(13, 20, 49, 0.92), rgba(9, 13, 29, 0.96));
}

.hero-panel {
    margin-bottom: 16px;
    padding: 18px;
    border-radius: 16px;
    border: 1px solid #2f4483;
    background: linear-gradient(125deg, rgba(41, 91, 247, 0.25), rgba(27, 170, 173, 0.18));
}
.hero-panel h1 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 38px); }
.hero-panel p { margin: 0; color: #c5d4ff; max-width: 900px; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(210px, 1fr)); gap: 14px; margin-bottom: 20px; }
.cards article {
    background: rgba(18, 26, 56, 0.9);
    border: 1px solid #304286;
    border-radius: 14px;
    padding: 16px;
}
.cards p { font-size: 34px; font-weight: 700; margin: 0; color: #6fd8ff; }

.program-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 14px; margin-bottom: 20px; }
.program-card, .lesson-card, .ticket-card {
    background: rgba(16, 24, 53, 0.9);
    border: 1px solid #304286;
    border-radius: 14px;
    padding: 16px;
}
.course-overview { transition: transform 0.15s ease, border-color 0.15s ease; }
.course-overview:hover { transform: translateY(-2px); border-color: #4c66bc; }
.course-current { border-color: #5d8bff; box-shadow: 0 0 0 1px rgba(93, 139, 255, 0.3) inset; }
.course-head { display: flex; gap: 10px; align-items: center; }
.teacher-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 700;
    background: linear-gradient(145deg, #2a62ff, #19c9c5);
    color: #fff;
}
.pill-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid #4060c1;
    background: rgba(24, 45, 110, 0.7);
    color: #dce9ff;
}
.stage-summary { margin-bottom: 14px; }
.learning-steps { display: grid; gap: 8px; margin-top: 10px; }
.step-item {
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(10, 20, 52, 0.95);
    border: 1px solid #334886;
    color: #c7d8ff;
}
.step-item.done { border-color: #2f875f; background: rgba(15, 56, 39, 0.95); }
.meta { font-size: 13px; color: #9ca8df; margin: 8px 0; }
.progress-bar { background: #25335d; border-radius: 100px; height: 10px; margin: 10px 0; overflow: hidden; }
.progress-bar span { display: block; height: 100%; background: linear-gradient(90deg, #2a62ff, #4de1d2); }
.badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
    background: #203d8d;
    border: 1px solid #4673e2;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 13px;
}
.legal-card p { margin: 8px 0; color: #d7e1ff; }

.lesson-list { display: grid; gap: 12px; }
.learning-card { border-width: 1px; }
.lesson-top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.lesson-index {
    display: inline-block;
    margin-bottom: 6px;
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(33, 50, 98, 0.9);
    border: 1px solid #3f56a6;
}
.status-pill {
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    white-space: nowrap;
    border: 1px solid #3f57aa;
    background: rgba(22, 38, 81, 0.9);
}
.status-done .status-pill { border-color: #2f875f; background: rgba(15, 56, 39, 0.95); }
.status-active .status-pill { border-color: #698fff; background: rgba(29, 57, 130, 0.95); }
.status-locked { opacity: 0.93; }
.lesson-actions-row { display: flex; gap: 8px; margin: 8px 0 2px; }
.lesson-stage-block {
    margin-top: 12px;
    padding: 12px;
    border-radius: 12px;
    border: 1px dashed #3d4f8b;
    background: rgba(10, 17, 41, 0.82);
}
.lesson-stage-block h4 {
    margin: 0 0 8px;
    font-size: 14px;
    color: #d6e2ff;
}
.form-grid { display: grid; gap: 10px; max-width: 860px; }
label { display: grid; gap: 6px; font-size: 14px; }
input, textarea, select, button {
    border-radius: 10px;
    border: 1px solid #3b4686;
    background: #101a42;
    color: #f6f8ff;
    padding: 10px;
    font: inherit;
}
button {
    background: linear-gradient(125deg, #2a62ff, #2351cf);
    border: none;
    cursor: pointer;
    font-weight: 700;
}
button:hover { opacity: 0.95; }
.inline-form { margin: 8px 0; }
.alert { border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; }
.alert.success { background: #143726; border: 1px solid #2b7f51; }
.alert.error { background: #451c1c; border: 1px solid #8c3b3b; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: rgba(14, 22, 50, 0.95); border: 1px solid #2b3367; }
th, td { padding: 10px; border-bottom: 1px solid #2b3367; text-align: left; }

.materials-grid {
    margin-top: 10px;
    display: grid;
    gap: 8px;
}
.material-link {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #3851a2;
    color: #ecf4ff;
}
.material-video { background: linear-gradient(135deg, #284fc6, #21357c); }
.material-audio { background: linear-gradient(135deg, #175f7a, #1f3763); }
.material-text {
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(10, 18, 43, 0.9);
    border: 1px solid #33457f;
    color: #c5d4ff;
}

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    padding: 14px;
    margin: 0;
    overflow: hidden;
    background: radial-gradient(circle at 20% 20%, #2647b8, #090d1d 50%);
}
.login-card {
    width: min(520px, 94vw);
    background: rgba(17, 24, 59, 0.94);
    padding: 28px;
    border-radius: 16px;
    border: 1px solid #4d5ab0;
    margin: 0 auto;
}
.magic-help { margin-top: 12px; font-size: 13px; color: #c5cdf9; }
code {
    background: #0a0f2c;
    display: block;
    padding: 8px;
    border-radius: 8px;
    overflow-x: auto;
}

@media (max-width: 1100px) {
    .topbar { grid-template-columns: 1fr auto; }
    .desktop-nav, .user-actions { display: none; }
    .mobile-menu-button { display: inline-flex; }
    .menu-open .mobile-nav { display: grid; }
}

@media (max-width: 740px) {
    .app-shell { padding: 6px 8px 8px; }
    .content { padding: 10px; }
    .cards { grid-template-columns: 1fr; }
    .login-body { padding: 10px; }
    .login-card { padding: 18px; }
}