:root {
    --bg: #eef7fd;
    --panel: rgba(255, 255, 255, 0.94);
    --panel-strong: #ffffff;
    --line: #d8e8f3;
    --line-strong: #b8d3e4;
    --text: #17384d;
    --muted: #648395;
    --accent: #6faed1;
    --accent-strong: #4e95bc;
    --accent-soft: #d9eef8;
    --success: #3a7e61;
    --danger: #b75656;
    --warning: #996b20;
    --shadow: 0 18px 40px rgba(53, 91, 116, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Noto Sans", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(111, 174, 209, 0.22), transparent 30%),
        linear-gradient(180deg, #f7fbfe 0%, var(--bg) 100%);
    color: var(--text);
}

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

.shell {
    max-width: 1240px;
    margin: 0 auto;
    padding: 28px 20px 40px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 18px;
}

.topbar h1 {
    margin: 6px 0 0;
    font-size: 2rem;
}

.eyebrow {
    margin: 0;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
}

.session-box,
.panel,
.stat-card,
.form-card,
.table-card,
.flash,
.auth-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
}

.session-box {
    min-width: 220px;
    padding: 16px 18px;
}

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

.session-user {
    margin-top: 6px;
    font-size: 1.1rem;
    font-weight: 700;
}

.session-email {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.94rem;
}

.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.nav-tabs a {
    padding: 11px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--line);
    transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.nav-tabs a:hover {
    transform: translateY(-2px);
    background: var(--accent-soft);
    border-color: var(--line-strong);
}

.content {
    display: grid;
    gap: 18px;
}

.flash {
    padding: 14px 16px;
    margin-bottom: 18px;
}

.flash-success {
    color: var(--success);
}

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

.flash-warning {
    color: var(--warning);
}

.grid {
    display: grid;
    gap: 18px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-card,
.form-card,
.table-card,
.panel {
    padding: 18px;
}

.stat-label {
    margin: 0 0 10px;
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-value {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
}

.card-title {
    margin: 0 0 6px;
    font-size: 1.15rem;
}

.card-copy {
    margin: 0 0 16px;
    color: var(--muted);
    line-height: 1.55;
}

form {
    margin: 0;
}

.form-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.field {
    display: grid;
    gap: 6px;
}

.field-full {
    grid-column: 1 / -1;
}

label {
    font-size: 0.92rem;
    font-weight: 600;
}

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

input,
select,
textarea {
    width: 100%;
    padding: 11px 13px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    color: var(--text);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(111, 174, 209, 0.18);
}

button,
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 16px;
    border-radius: 14px;
    border: 1px solid transparent;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease;
}

button:hover,
.button-link:hover {
    transform: translateY(-2px);
    background: var(--accent-strong);
}

.button-secondary {
    background: #ddecf5;
    color: var(--text);
}

.button-secondary:hover {
    background: #d2e6f3;
}

.button-danger {
    background: #d88383;
}

.button-danger:hover {
    background: #c96e6e;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

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

th,
td {
    padding: 12px 10px;
    border-bottom: 1px solid #e6f0f6;
    text-align: left;
    vertical-align: top;
}

tbody tr {
    transition: background 0.18s ease;
}

tbody tr:hover {
    background: var(--accent-soft);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eff7fb;
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 0.86rem;
    white-space: nowrap;
}

.pill-active {
    color: var(--success);
}

.pill-suspended,
.pill-released {
    color: var(--warning);
}

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

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

.mono {
    font-family: Consolas, "Courier New", monospace;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}

.auth-card {
    width: min(520px, 100%);
    padding: 26px;
}

.empty-state {
    padding: 18px;
    border-radius: 18px;
    background: rgba(217, 238, 248, 0.55);
    border: 1px dashed var(--line-strong);
}

@media (max-width: 760px) {
    .topbar {
        flex-direction: column;
    }

    .session-box {
        width: 100%;
    }
}