:root {
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: rgba(148, 163, 184, 0.25);
    --shadow: 0 24px 70px rgba(15, 23, 42, 0.10);
    --radius: 26px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 34rem),
        radial-gradient(circle at top right, rgba(34, 197, 94, 0.10), transparent 28rem),
        var(--bg);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select {
    font: inherit;
}

.public-header,
.dashboard-topbar,
.admin-tabs,
.dashboard-content,
.landing-hero,
.landing-section,
.landing-cta {
    width: min(1180px, calc(100% - 32px));
    margin-left: auto;
    margin-right: auto;
}

.public-header,
.dashboard-topbar {
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand,
.guest-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 900;
}

.brand__icon,
.guest-brand span {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    font-weight: 900;
}

.public-nav,
.dashboard-nav,
.user-menu,
.admin-tabs,
.row-actions,
.form-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.public-nav a,
.dashboard-nav a,
.user-menu a,
.user-menu button,
.admin-tabs a,
.row-actions a,
.row-actions button {
    padding: 11px 14px;
    border-radius: 14px;
    color: var(--muted);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-weight: 800;
}

.public-nav a:hover,
.dashboard-nav a:hover,
.user-menu a:hover,
.user-menu button:hover,
.admin-tabs a:hover,
.admin-tabs a.active,
.row-actions a:hover,
.row-actions button:hover {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.08);
}

.user-menu span {
    color: var(--muted);
    font-weight: 900;
}

.user-menu form,
.row-actions form {
    margin: 0;
}

.nav-login {
    color: var(--primary) !important;
    background: #ffffff !important;
    border: 1px solid var(--border) !important;
}

.admin-tabs {
    padding: 0 0 18px;
    overflow-x: auto;
}

.admin-tabs a {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.landing-hero {
    min-height: calc(100vh - 82px);
    padding: 54px 0 76px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
    gap: 36px;
    align-items: center;
}

.landing-hero--single {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 86px;
}

.landing-hero--single .landing-hero__text {
    max-width: 760px;
}

.badge {
    width: fit-content;
    display: inline-flex;
    margin-bottom: 20px;
    padding: 9px 14px;
    border-radius: 999px;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.09);
    font-size: 0.82rem;
    font-weight: 900;
}

.landing-hero h1 {
    max-width: 720px;
    margin: 0 0 18px;
    font-size: clamp(2.8rem, 7vw, 5.9rem);
    line-height: 0.94;
    letter-spacing: -0.07em;
}

.landing-hero p {
    max-width: 620px;
    margin: 0;
    color: var(--muted);
    font-size: 1.22rem;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.btn {
    min-height: 52px;
    border: 0;
    border-radius: 16px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 900;
}

.btn--primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 18px 38px rgba(37, 99, 235, 0.26);
}

.btn--secondary {
    color: var(--primary);
    background: #ffffff;
    border: 1px solid var(--border);
}

.btn--full {
    width: 100%;
}

.video-card {
    width: 100%;
    aspect-ratio: 16 / 9;
    padding: 10px;
    border-radius: var(--radius);
    background: #ffffff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.video-card iframe {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
    border-radius: 18px;
}

.landing-section {
    padding: 72px 0;
}

.section-heading {
    max-width: 620px;
    margin-bottom: 28px;
}

.section-heading span,
.clean-header span {
    display: block;
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.section-heading h2,
.clean-header h1,
.landing-cta h2 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 1;
    letter-spacing: -0.05em;
}

.feature-grid,
.plans-grid,
.dashboard-grid,
.action-grid,
.form-grid {
    display: grid;
    gap: 18px;
}

.feature-grid,
.plans-grid,
.dashboard-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 22px;
}

.form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-grid article,
.plan-card,
.dash-card,
.login-card,
.clean-header,
.landing-cta,
.table-card,
.form-card,
.action-grid a,
.empty-box {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.feature-grid article,
.dash-card,
.action-grid a,
.empty-box {
    padding: 24px;
    border-radius: 22px;
}

.action-grid a {
    display: grid;
    gap: 8px;
}

.action-grid strong {
    font-size: 1.2rem;
}

.action-grid span,
.feature-grid p,
.plan-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.feature-grid strong,
.dash-card span {
    display: block;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.plan-card {
    padding: 26px;
    border-radius: var(--radius);
}

.plan-card h3 {
    margin: 0 0 18px;
    font-size: 1.35rem;
}

.price {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    margin-bottom: 18px;
}

.price small,
.price span {
    color: var(--muted);
    font-weight: 800;
}

.price strong {
    font-size: 2.7rem;
    line-height: 0.9;
    letter-spacing: -0.06em;
}

.plan-card ul {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 22px 0;
    list-style: none;
}

.plan-card li {
    color: var(--muted);
    font-weight: 800;
}

.landing-cta {
    margin-top: 42px;
    margin-bottom: 80px;
    padding: 38px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.dashboard-shell {
    min-height: 100vh;
}

.dashboard-content {
    padding: 24px 0 70px;
}

.clean-header {
    padding: 34px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.dashboard-grid {
    margin-top: 22px;
}

.dash-card strong {
    display: block;
    font-size: 2.8rem;
    line-height: 1;
    letter-spacing: -0.06em;
}

.table-card,
.form-card {
    margin-top: 22px;
    border-radius: var(--radius);
    overflow: hidden;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

th {
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

td strong,
td small {
    display: block;
}

td small {
    margin-top: 4px;
    color: var(--muted);
}

.text-right {
    text-align: right;
}

.row-actions {
    justify-content: flex-end;
    flex-wrap: wrap;
}

.status {
    display: inline-flex;
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 900;
}

.status--active,
.status--trial {
    color: #166534;
    background: #dcfce7;
}

.status--blocked,
.status--cancelled,
.status--inactive {
    color: #991b1b;
    background: #fee2e2;
}

.empty-box {
    display: grid;
    gap: 16px;
    justify-items: start;
}

.form-card {
    padding: 28px;
}

.form-section + .form-section {
    margin-top: 30px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.form-section h2 {
    margin: 0 0 18px;
    font-size: 1.3rem;
}

.form-grid label {
    display: grid;
    gap: 8px;
    font-weight: 900;
}

.form-grid input,
.form-grid select,
.form input {
    width: 100%;
    min-height: 52px;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 0 16px;
    background: #ffffff;
    outline: none;
}

.form-grid input[type="color"] {
    padding: 6px;
}

.form-grid input:focus,
.form-grid select:focus,
.form input:focus {
    border-color: rgba(37, 99, 235, 0.7);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.form-actions {
    justify-content: flex-end;
    margin-top: 28px;
    flex-wrap: wrap;
}

.guest-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.guest-card {
    width: min(100%, 430px);
}

.login-card {
    padding: 30px;
    border-radius: var(--radius);
}

.guest-brand {
    margin-bottom: 28px;
}

.login-header h1 {
    margin: 0 0 10px;
    font-size: clamp(2.2rem, 8vw, 3.6rem);
    line-height: 0.96;
    letter-spacing: -0.06em;
}

.login-header p {
    margin: 0;
    color: var(--muted);
}

.form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.form label {
    display: grid;
    gap: 8px;
    font-weight: 900;
}

.alert {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 16px;
    font-weight: 800;
    line-height: 1.5;
}

.login-card .alert {
    margin-top: 18px;
    margin-bottom: 0;
}

.alert--error {
    color: #991b1b;
    background: #fee2e2;
}

.alert--success {
    color: #166534;
    background: #dcfce7;
}

.alert--info {
    color: #1e40af;
    background: #dbeafe;
}

.back-link {
    display: inline-flex;
    margin-top: 18px;
    color: var(--primary);
    font-weight: 900;
}

.install-btn {
    min-height: 46px;
    border: 0;
    border-radius: 14px;
    padding: 0 18px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    cursor: pointer;
    font-weight: 900;
}

.floating-install {
    position: fixed;
    right: 18px;
    bottom: 18px;
}

@media (max-width: 1020px) {
    .landing-hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .feature-grid,
    .plans-grid,
    .dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .public-header,
    .dashboard-topbar {
        height: auto;
        padding: 18px 0;
        align-items: flex-start;
        gap: 14px;
        flex-direction: column;
    }

    .public-nav,
    .dashboard-nav,
    .user-menu {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .user-menu {
        justify-content: space-between;
    }

    .landing-hero {
        padding-top: 34px;
    }

    .hero-actions,
    .landing-cta,
    .clean-header {
        align-items: stretch;
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .form-grid,
    .action-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column-reverse;
    }
}

@media (max-width: 560px) {
    .landing-hero h1 {
        font-size: clamp(2.5rem, 15vw, 4.4rem);
    }

    .feature-grid,
    .plans-grid,
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .landing-section {
        padding: 48px 0;
    }

    .landing-cta,
    .clean-header,
    .login-card,
    .form-card {
        padding: 24px;
    }
}

.textarea-label {
    display: grid;
    gap: 8px;
    margin-top: 18px;
    font-weight: 900;
}

.textarea-label textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px 16px;
    background: #ffffff;
    outline: none;
    resize: vertical;
}

.textarea-label textarea:focus {
    border-color: rgba(37, 99, 235, 0.7);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.check-grid + .check-grid {
    margin-top: 18px;
}

.check-grid label {
    min-height: 50px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #ffffff;
    color: var(--text);
    font-weight: 900;
}

.check-grid input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

@media (max-width: 760px) {
    .check-grid {
        grid-template-columns: 1fr;
    }
}

.plans-header {
    margin-bottom: 22px;
}

.plans-manage-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.plan-manage-card {
    padding: 24px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.plan-manage-card__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.plan-manage-card h2 {
    margin: 12px 0 0;
    font-size: 1.45rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.edit-link {
    min-height: 40px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    border-radius: 13px;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.08);
    font-weight: 900;
    white-space: nowrap;
}

.plan-price-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 18px;
}

.plan-price-row div {
    padding: 16px;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid var(--border);
}

.plan-price-row small {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-weight: 900;
}

.plan-price-row strong {
    display: block;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.plan-limits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.plan-limits span {
    padding: 11px 12px;
    border-radius: 14px;
    color: var(--muted);
    background: rgba(100, 116, 139, 0.08);
    font-weight: 800;
    font-size: 0.92rem;
}

.plan-actions {
    margin-top: 20px;
}

.plan-actions form {
    margin: 0;
}

@media (max-width: 1020px) {
    .plans-manage-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .plans-manage-grid {
        grid-template-columns: 1fr;
    }

    .plan-price-row,
    .plan-limits {
        grid-template-columns: 1fr;
    }
}