@charset "UTF-8";

:root {
    color-scheme: light;

     --app-font-sans: Arial, Helvetica, sans-serif;

    --app-bg: #f5f7fa;
    --app-surface: #ffffff;
    --app-surface-soft: #f8fafc;

    --app-text: #111827;
    --app-muted: #6b7280;

    --app-border: #d1d5db;
    --app-border-strong: #9ca3af;

    --app-primary: #111827;
    --app-primary-contrast: #ffffff;
    --app-link: #1d4ed8;

    --app-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --app-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);

    --app-radius-sm: 10px;
    --app-radius-md: 12px;
    --app-radius-lg: 16px;

    --app-space-1: 4px;
    --app-space-2: 8px;
    --app-space-3: 12px;
    --app-space-4: 16px;
    --app-space-5: 20px;
    --app-space-6: 24px;
    --app-space-7: 32px;

    --app-success: #166534;
    --app-success-bg: #f0fdf4;
    --app-success-border: #bbf7d0;

    --app-danger: #b91c1c;
    --app-danger-bg: #fef2f2;
    --app-danger-border: #fecaca;

    --app-warning: #92400e;
    --app-warning-bg: #fffbeb;
    --app-warning-border: #fde68a;

    --app-info: #1d4ed8;
    --app-info-bg: #eff6ff;
    --app-info-border: #bfdbfe;
}

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

html {
    min-height: 100%;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--app-font-sans);
    font-size: 16px;
    line-height: 1.5;
    background: var(--app-bg);
    color: var(--app-text);
}

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
}

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

button {
    cursor: pointer;
}

textarea {
    resize: vertical;
}

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

th,
td {
    text-align: left;
    vertical-align: top;
}

[hidden] {
    display: none !important;
}

:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.18);
    outline-offset: 2px;
}

.container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.stack {
    display: grid;
    gap: var(--app-space-4);
}

.grid {
    display: grid;
    gap: var(--app-space-4);
}

.panel,
.card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-md);
    box-shadow: var(--app-shadow-sm);
}

.card--elevated,
.panel--elevated {
    box-shadow: var(--app-shadow-md);
}

.form,
.form-grid {
    display: grid;
    gap: var(--app-space-4);
}

.form-row {
    display: grid;
    gap: var(--app-space-4);
}

.field,
.form-group {
    display: grid;
    gap: var(--app-space-2);
}

label,
.label {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
}

.input,
.select,
.textarea,
input[type="text"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    border: 1px solid var(--app-border-strong);
    border-radius: var(--app-radius-sm);
    background: var(--app-surface);
    color: var(--app-text);
    font-size: 15px;
    line-height: 1.4;
}

textarea,
.textarea {
    min-height: 120px;
}

.input:focus,
.select:focus,
.textarea:focus,
input[type="text"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="datetime-local"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.input[aria-invalid="true"],
.select[aria-invalid="true"],
.textarea[aria-invalid="true"],
input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
    border-color: var(--app-danger);
    background: #fffafa;
}

.help-text,
.muted,
.field-help {
    margin: 0;
    color: var(--app-muted);
    font-size: 13px;
    line-height: 1.5;
}

.field-error {
    color: var(--app-danger);
    font-size: 14px;
    line-height: 1.5;
}

.field-errors {
    margin: 0;
    padding-left: 18px;
    color: var(--app-danger);
    font-size: 13px;
    line-height: 1.5;
}

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

.button,
.btn,
button[type="submit"],
button[type="button"],
button[type="reset"] {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 12px 16px;
    border: 1px solid var(--app-primary);
    border-radius: var(--app-radius-sm);
    background: var(--app-primary);
    color: var(--app-primary-contrast);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    transition: opacity 0.12s ease, transform 0.08s ease;
}

.button:hover,
.btn:hover,
button[type="submit"]:hover,
button[type="button"]:hover,
button[type="reset"]:hover {
    opacity: 0.95;
}

.button:active,
.btn:active,
button[type="submit"]:active,
button[type="button"]:active,
button[type="reset"]:active {
    transform: translateY(1px);
}

.button:focus,
.btn:focus,
button[type="submit"]:focus,
button[type="button"]:focus,
button[type="reset"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.16);
}

.button-secondary,
.btn-secondary {
    background: var(--app-surface);
    color: var(--app-primary);
}

.alert,
.flash {
    margin: 0 0 20px;
    padding: 14px 16px;
    border: 1px solid transparent;
    border-radius: var(--app-radius-md);
    font-size: 14px;
    line-height: 1.5;
}

.alert ul,
.flash ul {
    margin: 8px 0 0 18px;
    padding: 0;
}

.alert--success,
.flash--success {
    color: var(--app-success);
    background: var(--app-success-bg);
    border-color: var(--app-success-border);
}

.alert--error,
.flash--error {
    color: var(--app-danger);
    background: var(--app-danger-bg);
    border-color: var(--app-danger-border);
}

.alert--warning,
.flash--warning {
    color: var(--app-warning);
    background: var(--app-warning-bg);
    border-color: var(--app-warning-border);
}

.alert--info,
.flash--info {
    color: var(--app-info);
    background: var(--app-info-bg);
    border-color: var(--app-info-border);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    min-width: 720px;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-md);
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--app-border);
    font-size: 14px;
    line-height: 1.5;
}

.data-table thead th {
    background: var(--app-surface-soft);
    font-weight: 700;
}

.data-table tbody tr:last-child td {
    border-bottom: 0;
}

.section-title {
    margin: 0;
    font-size: 22px;
    line-height: 1.25;
}

.section-subtitle {
    margin: 6px 0 0;
    color: var(--app-muted);
    font-size: 14px;
    line-height: 1.5;
}

.inline-form {
    margin: 0;
}

.footer-note {
    margin: 18px 0 0;
    color: var(--app-muted);
    font-size: 12px;
    line-height: 1.6;
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 768px) {
    .container {
        width: min(1200px, calc(100% - 24px));
    }

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}