:root {
    --bg: #0f1720;
    --panel: #161f2b;
    --panel-light: #1e2a38;
    --accent: #2dd4a8;
    --accent-dark: #16a889;
    --text: #e8edf2;
    --muted: #8a97a6;
    --danger: #e5484d;
    --border: #263142;
    --radius: 10px;
}

* { box-sizing: border-box; }

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

/* Login */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 36px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-card h1 {
    margin: 0 0 4px;
    color: var(--accent);
    letter-spacing: 0.5px;
}

.subtitle {
    color: var(--muted);
    margin: 0 0 24px;
    font-size: 14px;
}

.login-card form {
    display: flex;
    flex-direction: column;
    text-align: left;
    gap: 6px;
}

label {
    font-size: 13px;
    color: var(--muted);
    margin-top: 10px;
}

input[type="text"],
input[type="password"] {
    background: var(--panel-light);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--text);
    font-size: 14px;
}

input:focus { outline: 1px solid var(--accent); }

button {
    margin-top: 20px;
    background: var(--accent);
    color: #06251d;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    padding: 11px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.15s ease;
}

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

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #c93337; }

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    text-align: left;
}
.alert-error { background: rgba(229,72,77,0.15); border: 1px solid var(--danger); color: #ffb3b5; }
.alert-success { background: rgba(45,212,168,0.12); border: 1px solid var(--accent); color: #b7f5e4; }

/* Topbar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
}
.brand { font-weight: 700; color: var(--accent); letter-spacing: 0.5px; }
.topbar-right { display: flex; align-items: center; gap: 18px; font-size: 14px; color: var(--muted); }
.logout-link { color: var(--accent); text-decoration: none; font-weight: 600; }
.logout-link:hover { text-decoration: underline; }

/* Layout */
.container { max-width: 960px; margin: 0 auto; padding: 28px 20px 60px; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}
.card h2 { margin-top: 0; font-size: 17px; color: var(--text); }
.muted { color: var(--muted); font-size: 13.5px; }

.content-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    min-height: 240px;
}

/* Forms */
.inline-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.inline-form input { flex: 1; min-width: 140px; }
.inline-form.small input { min-width: 120px; }
.inline-form button { margin-top: 0; }

/* Table */
.users-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.users-table th, .users-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}
.users-table th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; }

.btn-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 13.5px;
}
.btn-link:hover { text-decoration: underline; }

.content-editor {
    width: 100%;
    background: var(--panel-light);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 12px;
    font-family: Consolas, Monaco, monospace;
    font-size: 13.5px;
    resize: vertical;
}