:root {
    --bg: #f8f9fb;
    --card-bg: #ffffff;
    --text: #1a1a2e;
    --muted: #6c757d;
    --border: #e2e8f0;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
}
/* Layout */
.vld-container { max-width: 440px; width: 100%; padding: 1.5rem; }
/* Logo link */
.vld-logo-link { display: inline-block; text-decoration: none; color: inherit; }
.vld-logo-link:hover { opacity: .85; }
/* MenuCraft icon */
.vld-logo-mc {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, #4f46e5, #818cf8);
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.vld-logo-icon { font-size: 2rem; }
/* Product logo */
.vld-logo-img { width: 64px; height: 64px; object-fit: contain; }
[data-theme="dark"] {
    --bg: #0f0f1a;
    --card-bg: #1a1a2e;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --border: #334155;
    --accent: #818cf8;
    --accent-hover: #6366f1;
}
*, body { transition: background .25s, color .25s; }
body {
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', system-ui, sans-serif;
}
.card {
    background: var(--card-bg);
    border: 1px solid var(--border) !important;
    border-radius: 1.5rem !important;
}
.form-control {
    background: var(--bg);
    border-color: var(--border);
    color: var(--text);
    border-radius: .75rem;
    padding: .85rem 1rem;
    font-size: 1rem;
}
.form-control:focus {
    background: var(--bg);
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    border-radius: .75rem;
    padding: .85rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: .02em;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.logo { font-size: 2.5rem; }
.theme-toggle { position: fixed; top: 1.2rem; right: 1.5rem; background: none; border: 1px solid var(--border); border-radius: 2rem; padding: .35rem .8rem; cursor: pointer; color: var(--text); }
.error-msg { color: #ef4444; font-size: .9rem; margin-top: .5rem; display: none; }
.spinner-border { width: 1.2rem; height: 1.2rem; }
/* Dark mode: fix Bootstrap overrides */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] .h4,
[data-theme="dark"] label,
[data-theme="dark"] .form-label { color: var(--text) !important; }
[data-theme="dark"] .text-muted { color: var(--muted) !important; }
[data-theme="dark"] .form-control::placeholder { color: var(--muted); opacity: 1; }

/* Language switcher */
.lang-bar { display: flex; flex-wrap: wrap; gap: .35rem; justify-content: center; margin-bottom: 1.25rem; }
.lang-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: .2rem .65rem;
    font-size: .78rem;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }
.lang-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }