@import url('https://fonts.googleapis.com/css2?family=Rubik:ital,wght@0,300..900;1,300..900&display=swap');

:root,
html[data-theme="light"] {
    --bg: #eef4fb;
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: rgba(37, 99, 235, 0.12);
    --border: #dbe3ec;
    --danger: #dc2626;
    --success: #16a34a;
    --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
}

html[data-theme="dark"] {
    --bg: #0b1220;
    --bg-card: #111b2e;
    --bg-input: #0f172a;
    --text: #e8eef7;
    --text-muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-soft: rgba(59, 130, 246, 0.15);
    --border: #1e2d45;
    --danger: #f87171;
    --success: #4ade80;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: "Rubik", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

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

.app-shell { max-width: 1100px; margin: 0 auto; padding: 16px; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand-badge {
    background: linear-gradient(135deg, var(--primary), #6366f1);
    color: #fff;
    padding: 6px 10px;
    border-radius: 10px;
    font-size: 12px;
}

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

.btn {
    border: none;
    border-radius: 12px;
    padding: 10px 16px;
    font: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: var(--primary-soft); color: var(--primary); }
.btn-ghost:hover { filter: brightness(1.05); }
.btn-danger { background: rgba(220, 38, 38, 0.12); color: var(--danger); }
.btn-sm { padding: 7px 12px; font-size: 13px; }

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 20px;
}

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card { width: 100%; max-width: 420px; }

.auth-card h1 { font-size: 24px; margin-bottom: 6px; }
.auth-card p { color: var(--text-muted); margin-bottom: 20px; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-muted); }

input, textarea, select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text);
    font: inherit;
}

input:focus, textarea:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }

.error-msg { color: var(--danger); font-size: 13px; margin-top: 10px; }
.success-msg { color: var(--success); font-size: 13px; margin-top: 10px; }

.layout { display: grid; grid-template-columns: 280px 1fr; gap: 16px; min-height: 70vh; }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; } }

.sidebar { display: flex; flex-direction: column; gap: 12px; }
.profile-card { text-align: center; }
.avatar {
    width: 72px; height: 72px; border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), #6366f1);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 28px; font-weight: 700; margin: 0 auto 10px;
}
.profile-name { font-weight: 700; font-size: 18px; }
.profile-user { color: var(--text-muted); font-size: 13px; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
    flex: 1; min-width: 80px; text-align: center;
    padding: 10px; border-radius: 12px; border: 1px solid var(--border);
    background: transparent; color: var(--text); cursor: pointer; font: inherit;
}
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.list { display: flex; flex-direction: column; gap: 8px; max-height: 420px; overflow: auto; }
.list-item {
    padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border);
    cursor: pointer; transition: 0.15s;
}
.list-item:hover, .list-item.active { background: var(--primary-soft); border-color: var(--primary); }
.list-item-title { font-weight: 600; }
.list-item-sub { font-size: 12px; color: var(--text-muted); }

.chat-panel { display: flex; flex-direction: column; min-height: 480px; }
.chat-header { padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.chat-messages {
    flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px;
    padding: 8px 0; min-height: 300px; max-height: 420px;
}
.msg { max-width: 80%; padding: 10px 14px; border-radius: 14px; font-size: 14px; word-break: break-word; }
.msg.mine { align-self: flex-end; background: var(--primary); color: #fff; }
.msg.other { align-self: flex-start; background: var(--bg-input); border: 1px solid var(--border); }
.msg-meta { font-size: 11px; opacity: 0.7; margin-top: 4px; }
.msg-read { font-size: 10px; }

.chat-input-row { display: flex; gap: 8px; margin-top: 12px; }
.chat-input-row input { flex: 1; }

.search-row { display: flex; gap: 8px; margin-bottom: 12px; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--text-muted); font-weight: 600; }

.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px; margin-bottom: 16px;
}
.stat-card {
    padding: 16px; border-radius: 14px; background: var(--primary-soft);
    border: 1px solid var(--border);
}
.stat-value { font-size: 24px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-muted); }

.modal-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,0.45);
    display: none; align-items: center; justify-content: center; z-index: 1000; padding: 16px;
}
.modal-backdrop.open { display: flex; }
.modal {
    position: fixed; inset: 0; z-index: 1000;
    display: flex; align-items: center; justify-content: center; padding: 16px;
    background: rgba(0,0,0,0.45);
}
.modal.hidden { display: none !important; }
.modal-card { width: 100%; max-width: 480px; position: relative; }

.lang-switch { display: flex; gap: 4px; }
.lang-switch button {
    border: 1px solid var(--border); background: transparent; color: var(--text);
    border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 12px;
}
.lang-switch button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.unity-status { text-align: center; padding: 40px 20px; }
.unity-status .icon { font-size: 48px; margin-bottom: 12px; }
.hidden { display: none !important; }

.badge { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 11px; background: var(--primary-soft); color: var(--primary); }
.badge-admin { background: rgba(234, 179, 8, 0.15); color: #ca8a04; }
.badge-danger { background: rgba(220,38,38,0.12); color: var(--danger); }

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    flex: 1;
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 8px;
    border-radius: 8px;
    transition: 0.2s;
}

.password-toggle:hover {
    background: var(--primary-soft);
}