:root {
    --ink: #1d2433;
    --muted: #5d6678;
    --line: #d8deea;
    --panel: #ffffff;
    --soft: #f3f6fb;
    --accent: #0d7a6f;
    --accent-dark: #075c55;
    --danger: #b42318;
    --danger-soft: #fff0ed;
    --shadow: 0 18px 45px rgba(29, 36, 51, 0.09);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: linear-gradient(180deg, #eef4f7 0, #f8fafc 320px, #ffffff 100%);
    font-family: "Segoe UI", Arial, sans-serif;
    letter-spacing: 0;
}

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

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px clamp(18px, 5vw, 64px);
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid rgba(216, 222, 234, 0.9);
    backdrop-filter: blur(16px);
}

.brand {
    font-size: 1.15rem;
    font-weight: 800;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav a,
.admin-link {
    padding: 9px 12px;
    color: var(--muted);
    border-radius: 6px;
    font-weight: 650;
}

.nav a:hover,
.admin-link:hover {
    color: var(--ink);
    background: var(--soft);
}

.page-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 44px 0 70px;
}

.catalog-header,
.admin-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.catalog-header h1,
.admin-header h1,
.auth-panel h1 {
    margin: 0;
    max-width: 780px;
    font-size: clamp(2rem, 4vw, 4.4rem);
    line-height: 0.98;
    letter-spacing: 0;
}

.admin-header h1,
.auth-panel h1 {
    font-size: clamp(1.8rem, 3vw, 3rem);
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--accent-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.app-card {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 16px;
    min-height: 230px;
    padding: 18px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.app-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    color: #ffffff;
    background: linear-gradient(135deg, #0d7a6f, #364152);
    border-radius: 8px;
    font-size: 1.4rem;
    font-weight: 900;
}

.app-body {
    display: flex;
    min-width: 0;
    flex-direction: column;
}

.app-card h2 {
    margin: 0 0 8px;
    font-size: 1.25rem;
}

.app-card p {
    margin: 0 0 18px;
    color: var(--muted);
    line-height: 1.45;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    margin-bottom: 16px;
    color: var(--muted);
    font-size: 0.9rem;
}

.meta-row span {
    padding: 6px 8px;
    background: var(--soft);
    border-radius: 6px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    background: #ffffff;
    font: inherit;
    font-weight: 750;
    cursor: pointer;
}

.button:hover {
    border-color: #b8c2d4;
}

.button.primary {
    color: #ffffff;
    background: var(--accent);
    border-color: var(--accent);
}

.button.primary:hover {
    background: var(--accent-dark);
}

.button.ghost {
    background: transparent;
}

.button.small {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 0.9rem;
}

.button.danger {
    color: var(--danger);
    border-color: #f0b8b2;
}

.empty-state,
.auth-panel,
.form-panel,
.table-wrap {
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.empty-state {
    max-width: 620px;
}

.empty-state h1,
.empty-state h2 {
    margin: 0 0 8px;
}

.empty-state p,
.muted {
    color: var(--muted);
    line-height: 1.5;
}

.auth-panel,
.form-panel {
    max-width: 620px;
}

.form-stack {
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--ink);
    font-weight: 700;
}

input,
textarea {
    width: 100%;
    padding: 11px 12px;
    color: var(--ink);
    background: #ffffff;
    border: 1px solid #c7d0df;
    border-radius: 6px;
    font: inherit;
}

textarea {
    resize: vertical;
}

input:focus,
textarea:focus {
    outline: 3px solid rgba(13, 122, 111, 0.18);
    border-color: var(--accent);
}

.check-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 650;
}

.check-row input {
    width: 18px;
    height: 18px;
}

.notice {
    margin-bottom: 18px;
    padding: 12px 14px;
    border-radius: 6px;
    font-weight: 700;
}

.notice.danger,
.validation {
    color: var(--danger);
    background: var(--danger-soft);
    border: 1px solid #f0b8b2;
}

.validation {
    padding: 10px 12px;
    border-radius: 6px;
}

.actions,
.row-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

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

th,
td {
    padding: 14px 12px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--line);
}

th {
    color: var(--muted);
    font-size: 0.78rem;
    letter-spacing: 0;
    text-transform: uppercase;
}

td span {
    display: block;
    max-width: 460px;
    margin-top: 5px;
    color: var(--muted);
    overflow-wrap: anywhere;
}

form {
    margin: 0;
}

@media (max-width: 720px) {
    .catalog-header,
    .admin-header,
    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .page-shell {
        width: min(100% - 22px, 1120px);
        padding-top: 26px;
    }

    .app-card {
        grid-template-columns: 1fr;
    }

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

    table {
        min-width: 820px;
    }
}