* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: #e5e7eb;
}
.hidden { display: none !important; }
button, input, select { font: inherit; }
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, #020617, #111827 55%, #1e293b);
}
.login-card, .panel, .account-card {
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.28);
}
.login-card { width: 100%; max-width: 460px; padding: 28px; }
.brand-block, .brand-mini { display: flex; align-items: center; gap: 16px; }
.brand-logo {
    width: 64px; height: 64px; border-radius: 18px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 24px; color: #fff;
}
.brand-logo.small { width: 44px; height: 44px; font-size: 16px; border-radius: 12px; }
.login-form { margin-top: 26px; display: grid; gap: 12px; }
.login-form label { color: #cbd5e1; font-size: 14px; }
.login-form input, .login-form select, .topbar input {
    width: 100%; border-radius: 12px; border: 1px solid #334155; background: #0b1220; color: #fff;
    padding: 14px 15px;
}
.login-form button, .secondary-btn, .menu-item, .list-item, .card-item {
    border: 0; cursor: pointer;
}
.login-form button, .secondary-btn {
    border-radius: 12px; padding: 14px 16px; font-weight: 700;
}
.login-form button { background: #2563eb; color: #fff; }
.secondary-btn { background: #1f2937; color: #fff; width: 100%; }
.form-message { min-height: 22px; font-size: 14px; }
.form-message.error { color: #fca5a5; }
.form-message.success { color: #86efac; }
.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px 1fr;
}
.sidebar {
    background: #020617;
    border-right: 1px solid rgba(255,255,255,0.06);
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 20px;
}
.sidebar-top { display: grid; gap: 28px; }
.brand-mini span { display: block; color: #94a3b8; font-size: 12px; margin-top: 4px; }
.menu { display: grid; gap: 8px; }
.menu-item {
    text-align: left; padding: 14px 16px; border-radius: 12px; background: transparent; color: #cbd5e1;
}
.menu-item.active, .menu-item:hover, .list-item.active { background: #1e293b; color: #fff; }
.main-content { padding: 20px; display: grid; gap: 18px; }
.topbar {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    background: rgba(15,23,42,0.65); border: 1px solid rgba(255,255,255,0.05);
    border-radius: 18px; padding: 18px 20px;
}
.topbar h2 { margin: 0 0 6px; }
.topbar p { margin: 0; color: #94a3b8; }
.content-grid { display: grid; grid-template-columns: minmax(320px, 42%) 1fr; gap: 18px; }
.panel { padding: 16px; }
.video-wrap {
    position: relative; background: #000; border-radius: 16px; overflow: hidden; aspect-ratio: 16 / 9;
}
.video-wrap video { width: 100%; height: 100%; background: #000; }
.video-empty {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: #94a3b8; padding: 20px; text-align: center;
}
.now-playing { padding: 14px 4px 4px; display: grid; gap: 5px; }
.now-playing span { color: #94a3b8; font-size: 14px; }
.epg-box { margin-top: 12px; display: grid; gap: 8px; }
.epg-title { font-weight: 700; }
.epg-row {
    display: flex; justify-content: space-between; gap: 10px; background: #111827; border-radius: 12px; padding: 10px 12px;
}
.browser-columns { display: grid; grid-template-columns: 240px 1fr; gap: 14px; height: 100%; }
.column-title { font-weight: 700; margin-bottom: 12px; }
.list-wrap { display: grid; gap: 8px; max-height: 72vh; overflow: auto; }
.list-item, .card-item {
    width: 100%; text-align: left; border-radius: 12px; background: #111827; color: #fff; padding: 12px;
}
.card-item { display: grid; grid-template-columns: 62px 1fr; gap: 12px; align-items: center; }
.thumb {
    width: 62px; height: 62px; border-radius: 12px; background: #1f2937; overflow: hidden;
    display: flex; align-items: center; justify-content: center; color: #94a3b8; font-size: 12px; text-align: center;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.meta { display: grid; gap: 4px; }
.meta span { color: #94a3b8; font-size: 13px; }
.empty-state {
    background: #111827; border-radius: 12px; padding: 16px; color: #94a3b8;
}
.empty-state.small { font-size: 14px; }
.account-card { padding: 20px; }
.account-grid {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 16px;
}
.account-grid div {
    background: #111827; border-radius: 14px; padding: 14px;
    display: grid; gap: 6px;
}
.account-grid span { color: #94a3b8; font-size: 13px; }

@media (max-width: 1080px) {
    .content-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { padding: 14px; gap: 18px; }
    .menu { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .browser-columns { grid-template-columns: 1fr; }
    .list-wrap { max-height: none; }
}

@media (max-width: 640px) {
    .menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .topbar { flex-direction: column; align-items: stretch; }
    .account-grid { grid-template-columns: 1fr; }
}