/* ============================================================
   RAGU Design System — «инженерная консоль»
   Тёмная графитовая тема, акцент lagoon teal, вторичный iris.
   Подключение: <link rel="stylesheet" href="/static/css/ragu.css">
   Иконки: <svg class="i"><use href="/static/icons.svg#i-send"/></svg>
   ============================================================ */

:root {
    /* Поверхности */
    --bg-abyss: #07090d;
    --bg-deep: #0b0e13;
    --bg-base: #10141b;
    --bg-panel: #161b24;
    --bg-elevated: #1d232f;
    --bg-hover: #252c3b;

    /* Границы */
    --border: #212836;
    --border-strong: #2f3949;

    /* Текст */
    --text-primary: #e9ecf2;
    --text-secondary: #9ba4b5;
    --text-muted: #5f6879;

    /* Акценты */
    --accent: #2fc1b2;
    --accent-hover: #3ed4c4;
    --accent-press: #25a99b;
    --accent-contrast: #052624;
    --accent-soft: rgba(47, 193, 178, 0.14);
    --accent-border: rgba(47, 193, 178, 0.38);

    --accent-2: #e3e0f8;
    --accent-2-soft: rgba(139, 124, 246, 0.14);
    --accent-2-border: rgba(139, 124, 246, 0.38);

    --success: #3cc98a;
    --success-soft: rgba(60, 201, 138, 0.12);
    --warning: #e0a94e;
    --warning-soft: rgba(224, 169, 78, 0.12);
    --danger: #e0606e;
    --danger-soft: rgba(224, 96, 110, 0.12);
    --danger-border: rgba(224, 96, 110, 0.38);

    /* Формы */
    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-sm: 6px;

    --shadow-panel: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.5);

    /* Типографика */
    --font-ui: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;

    --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-ui);
    background: var(--bg-deep);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(47, 193, 178, 0.28); }

/* ---------- Иконки ---------- */
.i {
    width: 16px; height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    vertical-align: -3px;
}
.i-lg { width: 20px; height: 20px; }
.i-sm { width: 13px; height: 13px; stroke-width: 2; }

/* ---------- Кнопки ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 13px; font-weight: 500; line-height: 1.2;
    cursor: pointer;
    transition: background 0.14s var(--ease), border-color 0.14s var(--ease),
                color 0.14s var(--ease), transform 0.08s var(--ease);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn-primary {
    background: var(--accent);
    color: var(--accent-contrast);
    font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); border-color: transparent; }
.btn-primary:active { background: var(--accent-press); }

.btn-outline {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text-secondary);
}
.btn-outline:hover { color: var(--text-primary); border-color: var(--accent-border); background: var(--accent-soft); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); border-color: transparent; }

.btn-danger {
    background: var(--danger-soft);
    color: var(--danger);
    border-color: var(--danger-border);
}
.btn-danger:hover { background: rgba(224, 96, 110, 0.2); border-color: var(--danger); }

.btn-violet {
    background: var(--accent-2-soft);
    color: var(--accent-2);
    border-color: var(--accent-2-border);
}
.btn-violet:hover { background: rgba(139, 124, 246, 0.22); border-color: var(--accent-2); }

.btn-sm { padding: 6px 11px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-block { width: 100%; }

/* Иконко-кнопка */
.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px;
    background: transparent; border: none; border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.14s var(--ease), color 0.14s var(--ease);
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.icon-btn.danger:hover { background: var(--danger-soft); color: var(--danger); }

/* ---------- Поля ввода ---------- */
.input, .textarea, .select,
input[type="text"], input[type="password"], input[type="number"],
input[type="email"], input[type="url"], textarea, select {
    background: var(--bg-panel);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 13px;
    padding: 9px 12px;
    outline: none;
    transition: border-color 0.14s var(--ease), box-shadow 0.14s var(--ease);
}
.input::placeholder, textarea::placeholder,
input::placeholder { color: var(--text-muted); }
.input:focus, .textarea:focus, .select:focus,
input:focus, textarea:focus, select:focus {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ba4b5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}
select option { background: var(--bg-elevated); color: var(--text-primary); }

label { font-size: 12px; color: var(--text-secondary); font-weight: 500; }

/* ---------- Панели и карточки ---------- */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-panel);
}
.panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px; font-weight: 600;
}
.panel-body { padding: 16px; }

/* ---------- Бейджи и чипы ---------- */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 11px; font-weight: 500;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-strong);
}
.badge.ok { background: var(--success-soft); color: var(--success); border-color: transparent; }
.badge.warn { background: var(--warning-soft); color: var(--warning); border-color: transparent; }
.badge.err { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.badge.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge.violet { background: var(--accent-2-soft); color: var(--accent-2); border-color: transparent; }

/* ---------- Статус-точка ---------- */
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--text-muted); flex-shrink: 0; }
.dot.ok { background: var(--success); box-shadow: 0 0 6px rgba(60, 201, 138, 0.6); }
.dot.warn { background: var(--warning); }
.dot.err { background: var(--danger); }
.dot.accent { background: var(--accent); box-shadow: 0 0 6px rgba(47, 193, 178, 0.6); }

/* ---------- Модальные окна ---------- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(4, 6, 9, 0.66);
    backdrop-filter: blur(3px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
    opacity: 0; pointer-events: none;
    transition: opacity 0.16s var(--ease);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
    background: var(--bg-base);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-pop);
    max-width: 92vw; max-height: 88vh;
    display: flex; flex-direction: column;
    transform: translateY(6px);
    transition: transform 0.16s var(--ease);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-size: 14px; font-weight: 600;
}
.modal-body { padding: 18px; overflow-y: auto; }

/* ---------- Скроллбары ---------- */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: #2a3243; border-radius: 4px; }
*::-webkit-scrollbar-thumb:hover { background: #38425a; }
*::-webkit-scrollbar-track { background: transparent; }

/* ---------- Фокус ---------- */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-radius: 4px;
}

/* ---------- Ссылки ---------- */
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ---------- Спиннер ---------- */
.spin { animation: ragu-spin 0.9s linear infinite; }
@keyframes ragu-spin { to { transform: rotate(360deg); } }

/* ---------- Уведомления / флеш ---------- */
.flash {
    display: flex; align-items: flex-start; gap: 8px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
    background: var(--danger-soft);
    border: 1px solid var(--danger-border);
    color: var(--danger);
}

/* ---------- Бренд ---------- */
.brand {
    display: inline-flex; align-items: center; gap: 9px;
    font-weight: 600; letter-spacing: 0.02em;
    color: var(--text-primary);
}
.brand .i, .brand svg { color: var(--accent); }

/* ---------- Утилиты ---------- */
.mono { font-family: var(--font-mono); font-size: 0.92em; }
.muted { color: var(--text-muted); }
.secondary { color: var(--text-secondary); }
.divider { height: 1px; background: var(--border); border: none; margin: 12px 0; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}