:root {
    --bg: #128d95;
    --bg-soft: #ff5c1c;
    --panel: rgba(255, 255, 255, 0.96);
    --panel-soft: rgba(25, 179, 187, 0.08);
    --line: rgba(18, 141, 149, 0.14);
    --ink: #12323a;
    --ink-soft: #5b7379;
    --accent: #128d95;
    --accent-deep: #0f686f;
    --accent-warm: #ff5c1c;
    --danger: #f53908;
    --success: #128d95;
    --shadow: 0 22px 50px rgba(18, 141, 149, 0.12);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI Variable", "Segoe UI", sans-serif;
    color: var(--ink);
}

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

h1,
h2,
h3 {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.admin-body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(25, 179, 187, 0.12), transparent 24%),
        radial-gradient(circle at bottom left, rgba(255, 92, 28, 0.08), transparent 26%),
        linear-gradient(180deg, #ffffff 0%, #fbfeff 100%);
}

.admin-shell {
    display: grid;
    grid-template-columns: 310px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.5rem;
    background:
        linear-gradient(180deg, rgba(18, 141, 149, 0.98), rgba(15, 104, 111, 0.98)),
        radial-gradient(circle at top right, rgba(255, 92, 28, 0.22), transparent 35%);
    color: rgba(255, 255, 255, 0.96);
}

.admin-brand {
    padding: 1.2rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.admin-brand p,
.admin-kicker {
    margin: 0 0 0.45rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.74rem;
    font-weight: 800;
}

.admin-brand strong {
    display: block;
    font-size: 1.45rem;
}

.admin-brand span {
    display: block;
    margin-top: 0.25rem;
    color: rgba(255, 255, 255, 0.76);
}

.admin-nav {
    display: grid;
    gap: 0.45rem;
}

.admin-nav a,
.admin-sidebar-footer a {
    padding: 0.85rem 1rem;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.86);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.admin-nav a:hover,
.admin-nav a.is-active,
.admin-sidebar-footer a:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.admin-sidebar-footer {
    display: grid;
    gap: 0.45rem;
}

.admin-main {
    padding: 1.5rem;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.admin-topbar h1 {
    font-size: clamp(2rem, 3vw, 2.8rem);
}

.admin-topbar-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.admin-topbar-meta span {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.admin-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-grid.stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.admin-stat-card,
.admin-panel,
.message-card-admin {
    border-radius: var(--radius-xl);
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: var(--shadow);
}

.admin-stat-card {
    padding: 1.35rem;
}

.admin-stat-card span {
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    font-weight: 700;
}

.admin-stat-card strong {
    display: block;
    margin: 0.55rem 0;
    font-size: 2rem;
    color: var(--accent-deep);
    font-family: Georgia, "Times New Roman", serif;
}

.admin-stat-card p,
.admin-panel p,
.empty-state {
    color: var(--ink-soft);
}

.admin-panel {
    padding: 1.4rem;
}

.panel-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.2rem;
}

.quick-links a,
.inline-link {
    color: var(--accent-deep);
    font-weight: 700;
}

.admin-list {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--ink-soft);
}

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

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

.admin-table th,
.admin-table td {
    padding: 0.95rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

.admin-table th {
    font-size: 0.84rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

.message-stack {
    display: grid;
    gap: 1rem;
}

.message-card-admin {
    padding: 1.3rem;
}

.message-card-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.9rem;
}

.message-card-head strong {
    display: block;
    font-size: 1.1rem;
}

.message-card-head span {
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.message-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.admin-login-body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(25, 179, 187, 0.18), transparent 30%),
        linear-gradient(135deg, #128d95, #ff5c1c);
    display: grid;
    place-items: center;
    padding: 1.25rem;
}

.admin-login-shell {
    width: min(520px, 100%);
}

.admin-login-panel {
    padding: 2rem;
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 30px 70px rgba(18, 141, 149, 0.14);
}

.login-lead {
    margin: 0.8rem 0 1.2rem;
    color: var(--ink-soft);
}

.admin-alert {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    font-weight: 600;
}

.admin-alert.error {
    background: rgba(245, 57, 8, 0.1);
    color: var(--danger);
}

.admin-alert.success {
    background: rgba(25, 179, 187, 0.12);
    color: var(--accent-deep);
}

.admin-form {
    display: grid;
    gap: 1rem;
}

.admin-form label {
    display: grid;
    gap: 0.5rem;
}

.admin-form span {
    font-weight: 700;
}

.admin-form small {
    margin-top: -0.2rem;
    color: var(--ink-soft);
}

.admin-form input,
.admin-form textarea {
    width: 100%;
    padding: 0.92rem 1rem;
    border-radius: 1rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    color: var(--ink);
    font: inherit;
}

.admin-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.25rem;
    padding: 0.85rem 1.35rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-warm));
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 18px 30px rgba(18, 141, 149, 0.18);
}

.login-tip {
    display: grid;
    gap: 0.25rem;
    margin-top: 0.25rem;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(25, 179, 187, 0.1);
    color: var(--ink);
}

.login-backlink {
    color: rgba(255, 255, 255, 0.94);
    display: inline-flex;
    margin-top: 1rem;
}

.admin-login-panel .login-backlink {
    color: var(--accent-deep);
    margin-top: 0.4rem;
}

.form-grid {
    display: grid;
    gap: 1rem;
}

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

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

.admin-subpanel {
    display: grid;
    gap: 0.85rem;
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
    border: 1px solid var(--line);
}

.admin-subpanel h3 {
    margin-bottom: 0.2rem;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

@media (max-width: 1080px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }
}

@media (max-width: 820px) {
    .admin-grid.stats,
    .admin-grid.two-col,
    .form-grid.two-col {
        grid-template-columns: 1fr;
    }

    .admin-topbar,
    .message-card-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .message-meta {
        align-items: flex-start;
    }
}

@media (max-width: 560px) {
    .admin-main,
    .admin-sidebar,
    .admin-panel,
    .admin-login-panel {
        padding: 1.1rem;
    }
}