:root {
    --bg: #f3f5f7;
    --panel: #ffffff;
    --panel-2: #eef2f6;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #d1d5db;
    --primary: #1f5eff;
    --primary-text: #ffffff;
    --danger: #b42318;
    --success: #067647;
    --warning: #b54708;
    --shadow: 0 10px 25px rgba(0,0,0,.08);
}

html[data-theme="dark"] {
    --bg: #111827;
    --panel: #1f2937;
    --panel-2: #273447;
    --text: #f9fafb;
    --muted: #9ca3af;
    --border: #374151;
    --primary: #5b8cff;
    --primary-text: #ffffff;
    --danger: #f97066;
    --success: #47cd89;
    --warning: #f79009;
    --shadow: 0 10px 25px rgba(0,0,0,.25);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}

body.confirm-modal-open {
    overflow: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
}

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

.page-shell {
    max-width: 1440px;
    margin: 0 auto;
    padding: 16px;
}

.site-header,
.site-footer,
.main-nav,
.card,
.alert {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.site-header,
.main-nav,
.site-footer,
.card {
    padding: 16px;
}

.site-header {
    display: block;
    margin-bottom: 12px;
}

.site-header-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.site-header-left {
    flex: 1 1 auto;
    min-width: 0;
}

.site-header-left h1 {
    margin: 0;
}

.subline {
    color: var(--muted);
    margin: 6px 0 0;
}

.site-header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    flex: 0 0 auto;
    min-width: 0;
}

.header-controls-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: nowrap;
}

.header-lang-form {
    margin: 0;
    display: inline-block;
    flex: 0 0 auto;
}

.header-lang-form select {
    width: auto !important;
    min-width: 120px;
}

.header-theme-btn {
    width: auto !important;
    min-width: 150px;
    white-space: nowrap;
    flex: 0 0 auto;
}

.header-user-row {
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

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

.main-nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.content {
    display: grid;
    gap: 16px;
}

.card h2 {
    margin-top: 0;
}

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

label {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
}

input,
select,
textarea,
button {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel);
    color: var(--text);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: var(--primary);
    color: var(--primary-text);
    font-weight: 700;
}

.btn.secondary,
button.secondary {
    background: var(--panel-2);
    color: var(--text);
}

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

.btn.small {
    width: auto;
    padding: 8px 12px;
}

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

.user-chip {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    background: var(--panel-2);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.95rem;
    line-height: 1.35;
    max-width: 100%;
}

.user-chip-expiry,
.user-chip-countdown {
    color: var(--muted);
}

.alert {
    padding: 12px 14px;
}

.alert.error {
    border-left: 5px solid var(--danger);
}

.alert.success {
    border-left: 5px solid var(--success);
}

.alert.warning {
    border-left: 5px solid var(--warning);
}

.confirm-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(8px);
}

.confirm-modal-backdrop.open {
    display: flex;
}

.confirm-modal-card {
    width: min(100%, 460px);
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 22px;
}

.confirm-modal-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--panel-2);
    color: var(--warning);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.confirm-modal-title {
    margin: 0 0 10px;
    font-size: 1.25rem;
    line-height: 1.2;
}

.confirm-modal-icon {
    display: none;
    margin: 2px auto 14px;
    width: 76px;
    height: 76px;
    border-radius: 999px;
    align-items: center;
    justify-content: center;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 2.4rem;
    line-height: 1;
    text-align: center;
}

.confirm-modal-message {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
    white-space: pre-line;
}

.confirm-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.confirm-modal-actions .btn {
    width: auto;
    min-width: 130px;
}

.confirm-modal-confirm.is-danger {
    background: var(--danger);
    color: #fff;
}

.confirm-modal-confirm.is-warning {
    background: var(--warning);
    color: #fff;
}

.confirm-modal-confirm.is-secondary {
    background: var(--panel-2);
    color: var(--text);
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.table th,
.table td {
    border-bottom: 1px solid var(--border);
    padding: 10px;
    vertical-align: top;
    text-align: left;
}

.table th {
    background: var(--panel-2);
}

.checkbox-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.checkbox-item input {
    width: auto;
}

.auth-box {
    max-width: 680px;
}

.demo-login-hint {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    align-items: center;
    margin: 0 0 18px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-2);
}

.demo-login-hint code {
    font-weight: 700;
}

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

.password-criteria {
    margin-top: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-2);
}

.password-criteria-title {
    margin: 0 0 8px;
    font-size: 0.92rem;
    font-weight: 700;
}

.password-criteria-list {
    display: grid;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.password-criteria-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--danger);
    font-size: 0.9rem;
    line-height: 1.35;
}

.password-criteria-item::before {
    content: "";
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--danger);
}

.password-criteria-item.is-met {
    color: var(--success);
}

.password-criteria-item.is-met::before {
    background: var(--success);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 900px) {
    .site-header-main {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-header-right {
        align-items: flex-start;
        width: 100%;
    }

    .header-controls-row {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .header-user-row {
        justify-content: flex-start;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page-shell {
        padding: 12px;
    }

    .site-header,
    .main-nav,
    .site-footer,
    .card {
        padding: 12px;
    }

    .user-chip {
        font-size: 0.88rem;
        border-radius: 16px;
    }

    .confirm-modal-card {
        padding: 18px;
        border-radius: 18px;
    }

    .confirm-modal-actions .btn {
        width: 100%;
    }

    .header-lang-form select {
        min-width: 100px;
    }

    .header-theme-btn {
        min-width: 130px;
    }
}