:root {
    color-scheme: dark;
    --bg: #0b0d10;
    --card: #12151a;
    --card2: #171b21;
    --border: rgba(255,255,255,.08);
    --text: #f2f4f7;
    --muted: #8d96a3;
    --green: #43d17a;
    --yellow: #e6b94c;
    --red: #ef6262;
    --blue: #6fa3ff;
    --shadow: rgba(0,0,0,.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: radial-gradient(circle at top right, rgba(90,120,180,.08), transparent 35%), var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
    letter-spacing: -.01em;
}

body.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 42px 24px 70px;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 30px;
}

.eyebrow,
.section-title,
.card-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--muted);
    text-transform: uppercase;
}

h1 {
    font-size: 32px;
    margin: 5px 0 4px;
    letter-spacing: -.04em;
}

h2 {
    margin: 5px 0 0;
    font-size: 19px;
}

h3 {
    margin: 6px 0 0;
    font-size: 18px;
    letter-spacing: -.02em;
}

.group-schedule {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
}

.group-schedule span {
    text-transform: uppercase;
    letter-spacing: .08em;
}

.group-schedule strong {
    color: var(--yellow);
    font-weight: 700;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.card,
.group-card {
    background: rgba(18,21,26,.92);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 8px 30px var(--shadow);
}

.resource {
    padding: 20px;
}

.metric {
    font-size: 30px;
    font-weight: 600;
    margin: 12px 0;
    letter-spacing: -.04em;
}

.small-metric {
    font-size: 20px;
    word-break: break-all;
}

.card-title {
    margin-bottom: 4px;
}

.notice {
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    font-size: 14px;
}

.notice-success {
    background: rgba(67,209,122,.08);
    color: #aef0c2;
}

.notice-error {
    background: rgba(239,98,98,.08);
    color: #ffbec1;
}

.notice-warning {
    background: rgba(230,185,76,.1);
    color: #f5dca0;
}

.notice code {
    background: rgba(255,255,255,.08);
    padding: 1px 6px;
    border-radius: 6px;
}

.submetric {
    color: var(--muted);
    font-size: 12px;
    margin-top: -6px;
    margin-bottom: 12px;
}

.stack-form,
.large-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.inline-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.checkbox-label {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    text-transform: none;
    letter-spacing: normal;
}
.checkbox-label input {
    width: auto;
}

input,
textarea,
button {
    font: inherit;
}

input,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px;
    color: var(--text);
    background: rgba(255,255,255,.02);
    outline: none;
}

textarea {
    resize: vertical;
    min-height: 88px;
}

input:focus,
textarea:focus {
    border-color: rgba(111,163,255,.7);
    box-shadow: 0 0 0 3px rgba(111,163,255,.15);
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 10px;
    padding: 11px 16px;
    font-weight: 700;
    letter-spacing: .04em;
    cursor: pointer;
    background: linear-gradient(135deg, #6fa3ff, #8f7dff);
    color: white;
    transition: transform .15s ease, opacity .15s ease;
}

.button:hover,
button:hover {
    transform: translateY(-1px);
}

.button-ghost {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border);
    color: var(--text);
}

.button-warning {
    background: linear-gradient(135deg, #f0b75d, #dd8b32);
}

.button-danger {
    background: linear-gradient(135deg, #ef6262, #d94d4d);
}

.chart-card {
    padding: 20px;
    margin-bottom: 30px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.section-title {
    margin: 0 0 18px;
}

.group-card {
    padding: 20px;
    margin-bottom: 18px;
}

.channel-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px 0 4px;
}

.channel-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
}

.field-label {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.channel-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 24px;
    padding: 0 8px;
    border: 1px solid rgba(111,163,255,.2);
    border-radius: 999px;
    color: var(--blue);
    background: rgba(111,163,255,.08);
    font-size: 12px;
    font-weight: 700;
}

.channel-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    padding: 9px 12px;
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 10px;
    background: rgba(255,255,255,.025);
    color: var(--text);
}

.channel-mark {
    width: 7px;
    height: 7px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 4px rgba(67,209,122,.1);
}

.channel-mark-warning {
    background: var(--yellow);
    box-shadow: 0 0 0 4px rgba(230,185,76,.1);
}

.channel-id {
    margin-left: auto;
    color: var(--muted);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

.channel-id-warning {
    color: var(--yellow);
}

.channel-hint {
    font-size: 12px;
    color: var(--yellow);
    background: rgba(230,185,76,.08);
    border: 1px solid rgba(230,185,76,.15);
    border-radius: 8px;
    padding: 8px 10px;
    margin-bottom: 4px;
}

.technical-settings {
    margin-top: 14px;
    border-top: 1px solid var(--border);
    padding-top: 14px;
}

.technical-settings summary {
    color: var(--muted);
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
}

.technical-settings[open] summary {
    margin-bottom: 12px;
}

.group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.group-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.inline-form {
    display: inline-flex;
}

.empty-state {
    padding: 16px 0;
    color: var(--muted);
}

.login-card {
    width: min(520px, 100%);
    background: rgba(18,21,26,.92);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 12px 34px rgba(0,0,0,.22);
    padding: 26px 24px;
}

.login-subtitle {
    color: var(--muted);
    margin: 10px 0 22px;
    line-height: 1.5;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-error {
    border-radius: 10px;
    padding: 10px 12px;
    color: #ffdfe0;
    background: rgba(239,98,98,.08);
    border: 1px solid rgba(239,98,98,.15);
}

@media (max-width: 640px) {
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .header,
    .group-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .group-actions {
        width: 100%;
    }

    .group-actions .button {
        flex: 1;
    }
}