/* Ving CRM — base styles */

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

html {
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-2); }

h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.25; letter-spacing: -.01em; color: var(--text); }
h1 { font-size: 1.7rem; font-weight: 700; }
h2 { font-size: 1.25rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }

p { margin: 0 0 1em; }
hr { border: 0; border-top: 1px solid var(--border-soft); margin: 16px 0; }

/* Selection */
::selection { background: var(--accent); color: #fff; }

/* Scrollbar (webkit) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ─── Layout ─────────────────────────────────────────────────────── */
.app {
    display: grid;
    grid-template-columns: 248px 1fr;
    min-height: 100vh;
}
.sidebar {
    background: var(--bg-elev);
    border-right: 1px solid var(--border-soft);
    padding: 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.main {
    padding: 24px 32px;
    min-width: 0;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px 10px;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -.01em;
}
.brand-mark {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: grid; place-items: center;
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}
.nav-group {
    font-size: .68rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 9px 12px 3px;
    font-weight: 600;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-mut);
    font-size: .88rem;
    transition: .15s;
    cursor: pointer;
}
.nav-link:hover {
    background: var(--surface-2);
    color: var(--text);
}
.nav-link.active {
    background: var(--accent-bg);
    color: var(--accent);
    font-weight: 600;
}
.nav-link .ico {
    width: 18px; height: 18px;
    display: grid; place-items: center;
    flex-shrink: 0;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-soft);
    font-size: .78rem;
    color: var(--text-mut);
}

/* ─── Mobile ─────────────────────────────────────────────────────── */
.menu-toggle { display: none; }
.menu-overlay { display: none; }
@media (max-width: 900px) {
    .app { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed;
        z-index: 100;
        top: 0; left: -260px; width: 248px;
        height: 100vh;
        transition: left .25s;
        box-shadow: var(--shadow-lg);
    }
    .sidebar.open { left: 0; }
    .main { padding: 16px; }
    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px; height: 38px;
        border-radius: 8px;
        background: var(--surface);
        border: 1px solid var(--border);
        color: var(--text);
        cursor: pointer;
        margin-bottom: 12px;
    }
    .menu-overlay {
        display: none;
        position: fixed; inset: 0;
        background: rgba(0,0,0,.5);
        z-index: 99;
    }
    .menu-overlay.open { display: block; }
}

/* ─── Stage 6: compact + collapsible (v0.3a) ─────────────────────── */
html { font-size: 14px; }

.brand { cursor: pointer; user-select: none; }
.brand:hover .brand-text { color: var(--accent); }

.app { transition: grid-template-columns .18s ease; }

body.sidebar-collapsed .app { grid-template-columns: 64px 1fr; }
body.sidebar-collapsed .sidebar { padding: 18px 8px; }
body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .nav-group,
body.sidebar-collapsed .sidebar-footer > div:first-child,
body.sidebar-collapsed .version-badge { display: none; }
body.sidebar-collapsed .brand { justify-content: center; }
body.sidebar-collapsed .nav-link {
    font-size: 0;
    padding: 8px;
    justify-content: center;
}
body.sidebar-collapsed .nav-link .ico { font-size: 1.1rem; }
body.sidebar-collapsed .sidebar-footer .flex { flex-direction: column; gap: 6px; align-items: stretch; }
body.sidebar-collapsed .sidebar-footer .theme-toggle { font-size: 0; padding: 8px; justify-content: center; }
body.sidebar-collapsed .sidebar-footer .theme-toggle svg { margin: 0; }
body.sidebar-collapsed .sidebar-footer form button { font-size: .72rem; padding: 6px 4px; }

.version-badge {
    display: inline-block;
    margin-top: 10px;
    font-size: .68rem;
    color: var(--text-dim);
    padding: 3px 10px;
    border-radius: 4px;
    background: var(--accent-bg);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: .02em;
}
.version-badge:hover { color: var(--accent); background: var(--accent-bg); }

/* ─── Stage 6b: dedicated toggle button + SVG nav icons ──────────── */
.brand { cursor: default; user-select: none; }
.brand:hover .brand-text { color: var(--text); }

.sidebar-toggle-btn {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--border-soft);
    color: var(--text-mut);
    cursor: pointer;
    padding: 5px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .15s ease;
    flex-shrink: 0;
}
.sidebar-toggle-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-bg);
}
.sidebar-toggle-btn svg { transition: transform .2s ease; }

body.sidebar-collapsed .sidebar-toggle-btn svg { transform: rotate(180deg); }
body.sidebar-collapsed .brand-mark,
body.sidebar-collapsed .brand-text { display: none; }
body.sidebar-collapsed .sidebar-toggle-btn { margin-left: 0; }
body.sidebar-collapsed .brand { justify-content: center; padding-bottom: 8px; }

/* Icon container in nav-links — properly aligned */
.nav-link .ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.nav-link .ico svg { display: block; }
body.sidebar-collapsed .nav-link .ico,
body.sidebar-collapsed .nav-link .ico svg { width: 20px; height: 20px; }

/* ─── Stage 7a: PDF preview card + size toggle ───────────────────── */
.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.preview-item a { display: block; }
.preview-item img {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto;
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    background: #fff;
    transition: border-color .15s, max-width .2s ease;
}
.preview-item a:hover img { border-color: var(--accent); }

.preview-card[data-size="50"]  .preview-item img { max-width: 50%; }
.preview-card[data-size="75"]  .preview-item img { max-width: 75%; }
.preview-card[data-size="100"] .preview-item img { max-width: 100%; }

.preview-size-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.preview-size-btn {
    padding: 4px 10px;
    font-size: .78rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-mut);
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    transition: all .15s ease;
}
.preview-size-btn:hover { border-color: var(--accent); color: var(--accent); }
.preview-size-btn.active {
    background: var(--accent-bg);
    color: var(--accent);
    border-color: var(--accent);
}

/* ───── Stage 8b — Dashboard stats ───── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat-card  { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px; }
.stat-label { color: var(--text-mut); font-size: .82rem; margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-size: 1.9rem; font-weight: 600; line-height: 1.1; }
.stat-value.text-success { color: var(--success); }
.stat-value.text-warn    { color: var(--warn); }
.stat-value.text-danger  { color: var(--danger); }
@media (max-width: 900px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* ───── Stage 8c — Sidebar time (compact, inline near version badge) ───── */
.sidebar-time {
    display: inline-block;
    vertical-align: middle;
    margin-left: 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    line-height: 1;
    white-space: nowrap;
}
.sidebar-time .time-now {
    display: inline;
    color: var(--text);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .02em;
}
.sidebar-time .tz-name {
    display: inline;
    margin-left: 5px;
    color: var(--text-mut);
    font-size: .62rem;
    opacity: .7;
    letter-spacing: 0;
}
body.sidebar-collapsed .sidebar-time {
    display: block;
    margin-left: 0;
    margin-top: 4px;
    text-align: center;
}
body.sidebar-collapsed .sidebar-time .tz-name { display: none; }
body.sidebar-collapsed .sidebar-time .time-now { font-size: .68rem; }