:root {
    --ink: #102018;
    --ink-soft: #3a4a40;
    --paper: #f3f6f1;
    --paper-deep: #e4ebe3;
    --panel: rgba(255, 255, 255, 0.72);
    --line: rgba(16, 32, 24, 0.12);
    --accent: #1f6b4a;
    --accent-deep: #134833;
    --warn: #8a4b12;
    --danger: #8b2430;
    --ok: #1f6b4a;
    --shadow: 0 18px 50px rgba(16, 32, 24, 0.08);
    --radius: 18px;
    --font-display: "Syne", "Avenir Next", sans-serif;
    --font-body: "IBM Plex Sans", "Helvetica Neue", sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: var(--font-body);
    background:
        radial-gradient(circle at top left, rgba(31, 107, 74, 0.16), transparent 34%),
        radial-gradient(circle at 85% 10%, rgba(138, 75, 18, 0.1), transparent 28%),
        linear-gradient(160deg, #f7faf5 0%, var(--paper) 48%, var(--paper-deep) 100%);
}

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

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

.shell {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: rgba(243, 246, 241, 0.82);
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.brand {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.brand-mark {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.brand-sub {
    color: var(--ink-soft);
    font-size: 0.82rem;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    align-items: center;
}

.nav a {
    position: relative;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.nav a:hover,
.nav a.is-active {
    color: var(--ink);
}

.nav a.is-active::after,
.nav a:hover::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.35rem;
    height: 2px;
    background: var(--accent);
    transform-origin: left;
    animation: underline 220ms ease both;
}

.page {
    padding: 2rem 0 4rem;
    animation: rise 420ms ease both;
}

.hero {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.hero h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.05em;
    line-height: 1.05;
}

.hero p {
    margin: 0;
    max-width: 42rem;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.panel + .panel {
    margin-top: 1.25rem;
}

.panel-pad {
    padding: 1.25rem 1.35rem;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.25rem;
}

.metric {
    padding: 1.1rem 1.15rem;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--line);
    border-radius: 16px;
}

.metric-label {
    color: var(--ink-soft);
    font-size: 0.82rem;
}

.metric-value {
    margin-top: 0.4rem;
    font-family: var(--font-display);
    font-size: 1.9rem;
    letter-spacing: -0.04em;
}

.stack {
    display: grid;
    gap: 1.25rem;
}

.stack-2 {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1.25rem;
}

.delivery-trends {
    margin-bottom: 1.25rem;
}

.trends-sub {
    margin: 0.35rem 0 0;
    font-size: 0.88rem;
}

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

.trend-chart {
    display: grid;
    gap: 0.55rem;
    padding: 0.85rem 0.9rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.55);
}

.trend-chart-label {
    margin: 0;
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

.chart-canvas-wrap {
    position: relative;
    height: 11rem;
}

.section-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.9rem;
}

.section-title h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: -0.03em;
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    padding: 0.75rem 0.55rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    font-size: 0.94rem;
}

th {
    color: var(--ink-soft);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

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

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

.mono {
    font-family: var(--font-mono);
    font-size: 0.88rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
    font-size: 0.78rem;
    letter-spacing: 0.02em;
}

.badge-sent {
    color: var(--ok);
    border-color: rgba(31, 107, 74, 0.28);
    background: rgba(31, 107, 74, 0.08);
}

.badge-failed {
    color: var(--danger);
    border-color: rgba(139, 36, 48, 0.25);
    background: rgba(139, 36, 48, 0.08);
}

.badge-queued {
    color: var(--warn);
    border-color: rgba(138, 75, 18, 0.25);
    background: rgba(138, 75, 18, 0.08);
}

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

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 2.5rem;
    padding: 0.55rem 1rem;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--accent);
    color: #f7faf5;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease;
}

.btn:hover {
    background: var(--accent-deep);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--ink);
    border-color: var(--line);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.7);
}

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

.btn-danger:hover {
    background: #6e1b24;
}

.filters,
.form-grid {
    display: grid;
    gap: 0.9rem;
}

.filters {
    grid-template-columns: 1.4fr 0.8fr 0.8fr auto;
    align-items: end;
    margin-bottom: 1rem;
}

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

.field {
    display: grid;
    gap: 0.4rem;
}

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

.field label {
    font-size: 0.85rem;
    color: var(--ink-soft);
}

.field input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
.field select,
.field textarea {
    width: 100%;
    min-height: 2.7rem;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.86);
    color: var(--ink);
}

.field textarea {
    min-height: 7rem;
    resize: vertical;
}

.field input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):focus,
.field select:focus,
.field textarea:focus {
    outline: 2px solid rgba(31, 107, 74, 0.25);
    border-color: rgba(31, 107, 74, 0.45);
}

.check {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.7rem;
    width: fit-content;
    max-width: 100%;
    margin: 0;
    color: var(--ink);
    font-size: 0.95rem;
    line-height: 1.2;
    white-space: nowrap;
    cursor: pointer;
}

.check input[type="checkbox"],
.check input[type="radio"] {
    flex: 0 0 auto;
    width: 1rem;
    height: 1rem;
    min-width: 1rem;
    min-height: 1rem;
    margin: 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.86);
    accent-color: var(--accent);
    vertical-align: middle;
}

.check input[type="checkbox"]:focus-visible,
.check input[type="radio"]:focus-visible {
    outline: 2px solid rgba(31, 107, 74, 0.35);
    outline-offset: 2px;
}

.flash {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(31, 107, 74, 0.2);
    background: rgba(31, 107, 74, 0.08);
}

.flash-danger {
    border-color: rgba(139, 36, 48, 0.22);
    background: rgba(139, 36, 48, 0.08);
    color: var(--danger);
}

.key-box {
    margin-top: 0.75rem;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    background: #102018;
    color: #e8f5ec;
    font-family: var(--font-mono);
    word-break: break-all;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
}

.login-panel {
    width: min(420px, 100%);
    padding: 2rem 1.6rem;
    animation: rise 480ms ease both;
}

.login-panel .brand-mark {
    font-size: 2.2rem;
}

.login-panel h1 {
    margin: 1.1rem 0 0.35rem;
    font-family: var(--font-display);
    font-size: 1.7rem;
    letter-spacing: -0.04em;
}

.login-panel p {
    margin: 0 0 1.4rem;
    color: var(--ink-soft);
}

.login-panel .login-meta {
    margin: 1.25rem 0 0;
    font-size: 0.9rem;
}

.login-panel .login-meta a {
    color: var(--accent);
    text-decoration: none;
}

.login-panel .login-meta a:hover {
    text-decoration: underline;
}

.login-panel .form-grid {
    grid-template-columns: 1fr;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem 1.25rem;
}

.detail-label {
    color: var(--ink-soft);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.detail-value {
    margin-top: 0.25rem;
}

.pagination {
    display: flex;
    justify-content: flex-end;
    gap: 0.4rem;
    margin-top: 1rem;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.2rem;
    min-height: 2.2rem;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.pagination .is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #f7faf5;
}

.empty {
    padding: 1.5rem 0.25rem;
    color: var(--ink-soft);
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes underline {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

@media (max-width: 900px) {
    .metrics,
    .stack-2,
    .trends-grid,
    .filters,
    .form-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

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