:root {
    color-scheme: dark;
    --bg: #080b11;
    --panel: rgba(21, 25, 35, 0.92);
    --panel-soft: rgba(31, 37, 50, 0.82);
    --line: rgba(201, 213, 230, 0.16);
    --text: #f6edf0;
    --muted: #b8c0ce;
    --accent: #ff4362;
    --accent-soft: rgba(255, 67, 98, 0.16);
    --green: #5cf2ad;
    --yellow: #ffd166;
    --danger: #ff6b7c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 15% 20%, rgba(255, 67, 98, 0.18), transparent 28rem),
        radial-gradient(circle at 80% 10%, rgba(92, 242, 173, 0.12), transparent 26rem),
        var(--bg);
    color: var(--text);
}

button, input, select, textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

.hidden { display: none !important; }

.shell {
    min-height: 100vh;
}

.login-view {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
    gap: 32px;
    align-items: center;
    padding: 48px;
}

.brand-panel {
    max-width: 780px;
}

.brand-identity {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-identity.large {
    align-items: flex-end;
    margin-bottom: 8px;
}

.brand-identity strong,
.sidebar-brand strong {
    display: block;
    font-size: 1.05rem;
    line-height: 1.05;
}

.brand-identity span {
    display: block;
    margin-top: 5px;
    color: #60d9ff;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.brand-reel {
    width: 116px;
    height: 116px;
    object-fit: contain;
    filter: drop-shadow(0 18px 42px rgba(64, 211, 255, 0.18));
    flex: 0 0 auto;
}

.brand-reel.small {
    width: 54px;
    height: 54px;
    filter: drop-shadow(0 10px 26px rgba(64, 211, 255, 0.16));
}

.eyebrow {
    margin: 0 0 10px;
    color: #60d9ff;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.78rem;
}

h1, h2, h3, p {
    margin-top: 0;
}

.brand-panel h1 {
    font-size: clamp(2.4rem, 5vw, 5.8rem);
    line-height: 0.96;
    max-width: 900px;
    margin: 28px 0 22px;
}

.lead {
    max-width: 680px;
    font-size: 1.2rem;
    color: var(--muted);
    line-height: 1.55;
}

.login-card, .workflow-card, .info-strip, .client-card, .diagnostic-card, .profile-card {
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
    backdrop-filter: blur(18px);
}

.login-card {
    border-radius: 22px;
    padding: 30px;
    display: grid;
    gap: 18px;
}

.auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.18);
}

.auth-tab {
    border: 0;
    border-radius: 999px;
    padding: 11px 12px;
    color: var(--muted);
    background: transparent;
    font-weight: 900;
}

.auth-tab.active {
    color: white;
    background: var(--accent-soft);
}

.auth-form {
    display: grid;
    gap: 18px;
}

.privacy-note {
    border-radius: 14px;
    padding: 13px 14px;
    color: var(--muted);
    background: rgba(92, 242, 173, 0.08);
    border: 1px solid rgba(92, 242, 173, 0.16);
    font-size: 0.82rem;
    line-height: 1.45;
}

label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 0.85rem;
}

input, select, textarea {
    width: 100%;
    border: 1px solid rgba(201, 213, 230, 0.18);
    background: rgba(5, 8, 14, 0.76);
    color: var(--text);
    border-radius: 13px;
    padding: 13px 14px;
    outline: none;
}

textarea {
    resize: vertical;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 67, 98, 0.18);
}

.primary, .secondary, .ghost, .icon-button {
    border: 0;
    border-radius: 999px;
    padding: 13px 18px;
    font-weight: 800;
}

.primary {
    background: var(--accent);
    color: white;
}

.secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #ffd3db;
    border: 1px solid rgba(255, 211, 219, 0.24);
}

.ghost {
    background: transparent;
    color: var(--muted);
}

.danger {
    color: var(--danger);
}

button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.feedback {
    padding: 12px 14px;
    border-radius: 12px;
    margin: 0;
}

.feedback.error {
    color: #ffd3db;
    background: rgba(255, 67, 98, 0.14);
}

.feedback.success {
    color: #b4ffd9;
    background: rgba(92, 242, 173, 0.14);
}

.muted {
    color: var(--muted);
}

.portal-view {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
}

.sidebar {
    min-height: 100vh;
    border-right: 1px solid var(--line);
    background: rgba(14, 19, 28, 0.9);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    position: sticky;
    top: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand span,
.sidebar-foot span {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
}

nav {
    display: grid;
    gap: 10px;
}

.nav-item {
    text-align: left;
    border: 0;
    border-radius: 13px;
    padding: 14px 16px;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.04);
    font-weight: 800;
}

.nav-item.active {
    color: white;
    background: var(--accent-soft);
}

.sidebar-foot {
    margin-top: auto;
    display: grid;
    gap: 8px;
}

.content {
    padding: 28px;
    min-width: 0;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 22px;
}

.topbar h1 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 3.2rem);
}

.icon-button {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border: 1px solid var(--line);
}

.panel {
    display: none;
}

.active-panel {
    display: block;
}

.info-strip {
    border-radius: 18px;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 22px;
}

.info-strip p {
    color: var(--muted);
    margin: 6px 0 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.stat {
    border: 1px solid var(--line);
    background: var(--panel-soft);
    border-radius: 16px;
    padding: 18px;
}

.stat span {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
}

.stat strong {
    display: block;
    font-size: 2rem;
    margin-top: 10px;
}

.section-title {
    margin: 22px 0 14px;
}

.section-title p {
    color: var(--muted);
}

.client-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 14px;
}

.client-card {
    border-radius: 18px;
    padding: 18px;
    display: grid;
    gap: 14px;
}

.client-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.pill.ok { color: #b4ffd9; background: rgba(92, 242, 173, 0.14); }
.pill.warn { color: #ffe2a3; background: rgba(255, 209, 102, 0.14); }
.pill.bad { color: #ffd3db; background: rgba(255, 67, 98, 0.14); }

.mini-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.mini {
    background: rgba(0, 0, 0, 0.18);
    border-radius: 12px;
    padding: 10px;
}

.mini span {
    display: block;
    color: var(--muted);
    font-size: 0.74rem;
}

.mini strong {
    font-size: 1rem;
}

.workflow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.workflow-card {
    border-radius: 18px;
    padding: 22px;
    display: grid;
    gap: 16px;
}

.step {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--accent-soft);
    color: #ffd3db;
    font-weight: 900;
}

.form-grid {
    display: grid;
    gap: 13px;
}

.inline-fields {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 10px;
}

.button-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.result-box {
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(0, 0, 0, 0.22);
    padding: 14px;
    color: var(--muted);
    word-break: break-word;
}

.result-box a {
    color: #8fe8ff;
}

.diagnostic-controls {
    display: grid;
    grid-template-columns: minmax(220px, 420px) auto auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 18px;
}

.diagnostic-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.diagnostic-card {
    border-radius: 18px;
    padding: 18px;
}

.profile-card {
    max-width: 720px;
    border-radius: 18px;
    padding: 22px;
    display: grid;
    gap: 16px;
}

.diagnostic-card dl {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 9px 14px;
}

.diagnostic-card dt {
    color: var(--muted);
}

.diagnostic-card dd {
    margin: 0;
    font-weight: 800;
    word-break: break-word;
}

.diagnostic-action {
    border-top: 1px solid var(--line);
    margin-top: 16px;
    padding-top: 16px;
    display: grid;
    gap: 12px;
}

@media (max-width: 1100px) {
    .login-view,
    .portal-view,
    .workflow,
    .diagnostic-grid,
    .info-strip {
        grid-template-columns: 1fr;
    }

    .sidebar {
        min-height: auto;
        position: static;
    }

    .portal-view {
        display: block;
    }
}

@media (max-width: 720px) {
    .login-view,
    .content,
    .sidebar {
        padding: 18px;
    }

    .stats-grid,
    .client-list,
    .diagnostic-controls,
    .inline-fields {
        grid-template-columns: 1fr;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .brand-panel h1 {
        font-size: 2.5rem;
    }

    .brand-reel {
        width: 86px;
        height: 86px;
    }

    .brand-identity.large {
        align-items: center;
    }
}