@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #0a1a33;
    --bg-alt: #0f2540;
    --card: #12293f;
    --border: #1f3a5a;
    --primary: #3fb8ff;
    --primary-dim: #2a8fd0;
    --accent: #ff9547;
    --accent-dim: #cc7433;
    --text: #e9f1fa;
    --text-dim: #a8bdd3;
    --success: #46c27e;
    --danger: #ff5560;
    --radius: 6px;
    --gap: 1rem;
    --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

code, pre, kbd, samp {
    font-family: var(--font-mono);
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-dim);
    text-decoration: underline;
}

a:visited {
    color: var(--accent-dim);
}

/* --- layout --- */

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.app-header .logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text);
    font-weight: 600;
    font-size: 1.1rem;
}

.app-header .logo img {
    height: 32px;
    width: 32px;
    border-radius: 50%;
}

.app-header nav {
    display: flex;
    gap: 1rem;
    flex: 1;
}

.app-header nav a {
    color: var(--text-dim);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius);
}

.app-header nav a.active,
.app-header nav a:hover {
    color: var(--primary);
    background: rgba(63, 184, 255, 0.08);
    text-decoration: none;
}

.app-header .user-block {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.app-header .user-block form {
    margin: 0;
}

.app-main {
    flex: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
    width: 100%;
}

.app-main.wide {
    max-width: 1600px;
}

.app-footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.app-footer-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.app-footer-links a {
    color: var(--text-dim);
}

.app-footer-links a:hover {
    color: var(--primary);
    text-decoration: none;
}

.app-footer-copy {
    margin-left: auto;
}

.public-header-spacer {
    flex: 1;
}

/* --- legal pages --- */

.legal {
    max-width: 880px;
}

.legal h1 {
    margin-bottom: 1.5rem;
}

.legal section {
    margin-bottom: 1.75rem;
}

.legal h2 {
    margin: 0 0 0.75rem 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary);
}

.legal p {
    margin: 0 0 0.6rem 0;
    color: var(--text);
}

.legal p.intro {
    color: var(--text-dim);
    margin-bottom: 1rem;
}

.legal ul {
    margin: 0 0 0.75rem 0;
    padding-left: 1.25rem;
    color: var(--text);
}

.legal ul li {
    margin-bottom: 0.3rem;
}

.legal .dash-list {
    list-style: none;
    padding-left: 0;
}

.legal .dash-list > li {
    padding-left: 1rem;
    position: relative;
}

.legal .dash-list > li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--text-dim);
}

.legal .purpose-table {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.legal .purpose-table th {
    width: 30%;
    background: var(--bg);
    vertical-align: top;
}

.legal .purpose-table td {
    vertical-align: top;
}

.requisites-card {
    max-width: 520px;
}

.requisites-card dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.5rem 1.25rem;
    margin: 0;
}

.requisites-card dt {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.requisites-card dd {
    margin: 0;
    font-family: var(--font-mono);
    color: var(--text);
}

.requisites-card .requisites-name {
    grid-column: 1 / -1;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text);
}

/* --- cookie banner --- */

.cookie-banner {
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    max-width: 640px;
    margin: 0 auto;
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.9rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    z-index: 1000;
    font-size: 0.9rem;
}

.cookie-banner[hidden] {
    display: none;
}

.cookie-banner p {
    margin: 0;
    flex: 1;
    color: var(--text-dim);
}

.cookie-banner p a {
    color: var(--primary);
}

@media (max-width: 560px) {
    .cookie-banner {
        flex-direction: column;
        align-items: stretch;
        text-align: left;
    }
    .cookie-banner .btn {
        width: 100%;
    }
}

/* --- cards / sections --- */

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.card h2 {
    margin: 0 0 0.75rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

h1 {
    margin: 0 0 1rem 0;
    font-size: 1.6rem;
    font-weight: 600;
}

/* --- forms --- */

form {
    margin-bottom: 1rem;
}

.field {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.8rem;
}

.field label {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
}

.field input,
.field select,
.field textarea {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.7rem;
    font-family: inherit;
    font-size: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(63, 184, 255, 0.15);
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.field-row > .field {
    min-width: 0;
}

.field-row > .field input,
.field-row > .field select,
.field-row > .field textarea {
    width: 100%;
    box-sizing: border-box;
}

.field-error {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.field-check label.check {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    margin-bottom: 0;
}

.field-check label.check input[type="checkbox"] {
    margin-top: 0.2rem;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.field-check label.check span {
    line-height: 1.35;
}

.addon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.addon-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    background: var(--bg);
}

.addon-card.addon-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary) inset;
}

.addon-name {
    font-weight: 600;
}

.addon-price {
    color: var(--primary);
    font-size: 0.95rem;
}

.addon-cta {
    margin-top: auto;
    padding-top: 0.5rem;
}

.balance-credit { color: var(--success); }
.balance-debit  { color: var(--danger); }

/* --- buttons --- */

.btn {
    display: inline-block;
    background: var(--primary);
    color: #0a1a33;
    border: 0;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    background: var(--primary-dim);
    color: #0a1a33;
    text-decoration: none;
}

.btn.secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn.secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn.danger {
    background: var(--danger);
    color: #fff;
}

.btn.danger:hover {
    background: #cc4348;
    color: #fff;
}

/* --- tables --- */

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

table th,
table td {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

table th {
    color: var(--text-dim);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

table tr:last-child td {
    border-bottom: 0;
}

/* --- badges --- */

.badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-dim);
}

.badge.active { color: var(--success); border-color: var(--success); }
.badge.expired { color: var(--danger); border-color: var(--danger); }
.badge.admin { color: var(--accent); border-color: var(--accent); }

/* --- alerts --- */

.alert {
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert.error {
    background: rgba(255, 85, 96, 0.1);
    color: var(--danger);
    border: 1px solid rgba(255, 85, 96, 0.3);
}

.alert.info {
    background: rgba(63, 184, 255, 0.08);
    color: var(--primary);
    border: 1px solid rgba(63, 184, 255, 0.3);
}

.new-token-alert {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.new-token-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.new-token-row code {
    background: rgba(63, 184, 255, 0.12);
    color: var(--text);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    word-break: break-all;
}

.new-token-note {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* --- admin sub-nav --- */

.admin-subnav {
    display: flex;
    gap: 0.5rem;
    margin: -0.5rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.admin-subnav a {
    color: var(--text-dim);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius);
}

.admin-subnav a.active,
.admin-subnav a:hover {
    color: var(--primary);
    background: rgba(63, 184, 255, 0.08);
    text-decoration: none;
}

/* --- tariff grid --- */

.tariff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.tariff-card {
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
}

.tariff-card.tariff-current {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary) inset;
}

.tariff-price {
    font-size: 1.4rem;
    margin: 0 0 1rem 0;
    color: var(--text);
}

.tariff-price strong {
    color: var(--primary);
}

.tariff-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
    flex: 1;
}

.tariff-features li {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    border-bottom: 1px dashed var(--border);
}

.tariff-features li:last-child { border-bottom: 0; }

.tariff-features .feat-label { color: var(--text-dim); }

.tariff-features .feat-value { color: var(--text); font-weight: 500; }

.tariff-cta {
    margin-top: auto;
    padding-top: 0.5rem;
    display: flex;
    justify-content: flex-end;
}

/* --- login --- */

.login-wrap {
    max-width: 360px;
    margin: 5rem auto;
}

.login-wrap .logo-big {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-wrap .logo-big img {
    height: 80px;
    width: 80px;
    border-radius: 50%;
}

.login-wrap .logo-big h1 {
    margin: 0.5rem 0 0 0;
    font-size: 1.4rem;
    color: var(--primary);
}

/* --- landing --- */

.landing-header {
    padding: 1rem 2rem;
}

.landing-nav {
    display: flex;
    gap: 1.25rem;
    flex: 1;
    margin-left: 2rem;
}

.landing-nav a {
    color: var(--text-dim);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius);
    font-weight: 500;
}

.landing-nav a:hover {
    color: var(--primary);
    background: rgba(63, 184, 255, 0.08);
    text-decoration: none;
}

.landing-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.landing-actions .login-icon {
    display: inline-block;
    margin-right: 0.25rem;
    font-weight: 700;
}

.landing-hero {
    background: radial-gradient(ellipse at top, rgba(63, 184, 255, 0.12), transparent 60%),
                linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
    padding: 6rem 2rem 5rem;
    border-bottom: 1px solid var(--border);
}

.landing-hero-inner {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.landing-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 1rem 0;
    color: var(--text);
}

.landing-lead {
    font-size: 1.15rem;
    color: var(--text-dim);
    margin: 0 auto 1.75rem;
    max-width: 680px;
    line-height: 1.55;
}

.landing-lead code {
    background: rgba(63, 184, 255, 0.08);
    color: var(--primary);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.landing-cta {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.landing-cta .btn {
    padding: 0.7rem 1.5rem;
    font-size: 1rem;
}

.landing-section {
    padding: 4.5rem 2rem;
    border-bottom: 1px solid var(--border);
}

.landing-section:nth-of-type(even) {
    background: var(--bg-alt);
}

.landing-section-cta {
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%) !important;
    text-align: center;
}

.landing-section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.landing-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--text);
    letter-spacing: -0.015em;
}

.landing-section > .landing-section-inner > p.text-dim {
    margin: 0 0 2rem 0;
    font-size: 1.05rem;
}

.landing-steps {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1.25rem;
}

.landing-steps li {
    counter-increment: step;
    padding: 1.25rem 1.5rem 1.25rem 4.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
}

.landing-steps li::before {
    content: counter(step);
    position: absolute;
    left: 1.25rem;
    top: 1.15rem;
    width: 2.25rem;
    height: 2.25rem;
    background: var(--primary);
    color: var(--bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.05rem;
}

.landing-code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    margin: 0.75rem 0 0 0;
    font-size: 0.9rem;
    overflow-x: auto;
    white-space: pre;
    color: var(--text);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.download-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.download-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 2.5rem 1.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-weight: 500;
    text-align: center;
    transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.download-main:hover {
    border-color: var(--primary);
    background: rgba(63, 184, 255, 0.05);
    color: var(--text);
    text-decoration: none;
    transform: translateY(-2px);
}

.download-main img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.download-os {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.download-hint {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.download-hint code {
    color: var(--primary);
    background: rgba(63, 184, 255, 0.08);
    padding: 0.05rem 0.35rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.download-alt {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-align: center;
}

.download-alt a {
    color: var(--primary);
}

.download-main-disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(0.4);
}

.download-main-disabled:hover {
    border-color: var(--border);
    background: var(--card);
    transform: none;
}

@media (max-width: 720px) {
    .landing-nav { display: none; }
    .landing-hero { padding: 4rem 1.25rem 3rem; }
    .landing-hero h1 { font-size: 2.15rem; }
    .landing-section { padding: 3rem 1.25rem; }
    .landing-section h2 { font-size: 1.6rem; }
    .download-main { padding: 2rem 1rem; }
    .download-main img { width: 56px; height: 56px; }
}