/* ---------- design tokens ---------- */
:root {
    --bg:        #0a0e14;
    --bg-elev:   #131820;
    --bg-elev-2: #1c2330;
    --border:    #232a36;
    --border-strong: #2e3644;
    --text:      #e8ecf2;
    --text-dim:  #8a94a3;
    --text-fade: #565d6a;
    --accent:    #3b82f6;
    --accent-2:  #2563eb;
    --ok:        #22c55e;
    --warn:      #f59e0b;
    --bad:       #ef4444;

    --radius:    10px;
    --radius-lg: 12px;
    --shadow:    0 1px 2px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.35), 0 12px 32px rgba(0,0,0,0.25);
    --font:      "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono:      ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "cv02", "cv11";
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: #60a5fa; }

::selection { background: rgba(59,130,246,0.35); color: var(--text); }

/* ---------- header ---------- */
.app-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #11161e 0%, #0e131a 100%);
    position: sticky;
    top: 0;
    z-index: 10;
}
.app-header h1 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.app-header h1 .brand-sub {
    color: var(--text-fade);
    font-weight: 400;
    margin-left: 0.35rem;
}
.brand-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 0 0 rgba(34,197,94,0.6);
    animation: pulse 2.4s infinite;
}
@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.45); }
    70%  { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.live-indicator {
    color: var(--text-dim);
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
}

.header-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 0.85rem;
    color: var(--text-dim);
}
.header-username { font-weight: 500; color: var(--text); }
.header-link { color: var(--text-dim); }
.header-link:hover { color: var(--text); }

/* ---------- main ---------- */
main {
    padding: 1.75rem 1.5rem 3rem;
    width: 100%;
}

/* ---------- totals strip ---------- */
.totals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.total-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.2rem;
}
.total-card .lbl {
    color: var(--text-dim);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}
.total-card .val {
    font-size: 1.9rem;
    font-weight: 600;
    margin-top: 0.4rem;
    letter-spacing: -0.025em;
    font-variant-numeric: tabular-nums;
    min-height: 2.3rem;
    color: var(--text);
}
.total-card .val:empty::after {
    content: '';
    display: inline-block;
    width: 2.5rem;
    height: 0.9em;
    background: var(--bg-elev-2);
    border-radius: 4px;
    vertical-align: middle;
    opacity: 0.6;
}

/* ---------- campaign cards ---------- */
.campaigns {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.9rem;
}
.campaign-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.25rem 1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.campaign-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--c, var(--accent));
    transition: width 0.15s ease;
}
.campaign-card:hover {
    background: var(--bg-elev-2);
    border-color: var(--border-strong);
    transform: translateY(-1px);
}
.campaign-card:hover::before { width: 5px; }
.campaign-card.has-new {
    box-shadow: 0 0 0 1px var(--c, var(--accent));
}
.campaign-card .new-badge {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    background: var(--ok);
    color: #052e16;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity 0.2s, transform 0.2s;
    letter-spacing: 0.02em;
}
.campaign-card .new-badge.show { opacity: 1; transform: scale(1); }
.campaign-card .name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    color: var(--text);
}
.campaign-card .stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.4rem;
    margin-bottom: 0.7rem;
}
.campaign-card .stat {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.45rem 0.5rem;
    text-align: center;
}
.campaign-card .stat .v {
    font-weight: 600;
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
    color: var(--text);
    line-height: 1.2;
}
.campaign-card .stat .l {
    font-size: 0.66rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 0.1rem;
}
.campaign-card .latest {
    color: var(--text-fade);
    font-size: 0.78rem;
    border-top: 1px solid var(--border);
    padding-top: 0.6rem;
}

/* ---------- detail view ---------- */
.detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.1rem;
    flex-wrap: wrap;
}
.detail-header h2 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}
.detail-header .badge {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: var(--c, var(--accent));
}
.detail-meta {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-left: auto;
    font-variant-numeric: tabular-nums;
}

/* ---------- buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-elev);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.45rem 0.85rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.84rem;
    font-family: inherit;
    text-decoration: none;
    transition: background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { background: var(--bg-elev-2); border-color: var(--border-strong); color: var(--text); }
.btn-ghost {
    background: transparent;
}
.btn-ghost:hover { background: var(--bg-elev); }
.btn svg { display: inline-block; }
.btn-primary {
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    font-weight: 600;
}
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.btn-danger {
    background: rgba(239,68,68,0.08);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: rgba(239,68,68,0.18); color: #fff; border-color: rgba(239,68,68,0.5); }

/* ---------- detail search ---------- */
.detail-search { margin-bottom: 1rem; }
.detail-search input {
    width: 100%;
    max-width: 380px;
    background: var(--bg-elev);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.55rem 0.85rem;
    font-size: 0.9rem;
    font-family: inherit;
}
.detail-search input:focus { outline: none; border-color: var(--accent); }
.detail-search input::placeholder { color: var(--text-fade); }

/* ---------- leads table ---------- */
.table-wrap {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: auto;
    max-height: calc(100vh - 240px);
}
table.leads {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86rem;
}
table.leads th, table.leads td {
    text-align: left;
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
table.leads thead th {
    background: var(--bg-elev-2);
    color: var(--text-dim);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
    border-bottom: 1px solid var(--border-strong);
}
table.leads tbody tr:last-child td { border-bottom: 0; }
table.leads td {
    color: var(--text);
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
table.leads td.wrap {
    white-space: normal;
    max-width: 420px;
    line-height: 1.45;
}
table.leads td.cell-id {
    color: var(--text-fade);
    font-variant-numeric: tabular-nums;
    width: 1%;
    font-size: 0.78rem;
    font-family: var(--mono);
}
table.leads td.cell-date {
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    width: 1%;
}
table.leads td.empty-cell { color: var(--text-fade); }

table.leads td.cell-note {
    max-width: 360px;
    white-space: normal;
    padding-top: 0.55rem;
    padding-bottom: 0.55rem;
}
table.leads td.cell-note .clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-dim);
    font-size: 0.82rem;
    line-height: 1.4;
    white-space: normal;
    word-break: break-word;
}
table.leads td.cell-note .clamp-2.has-note { color: var(--text); }
table.leads th.th-note { white-space: nowrap; }

table.leads th.th-expand,
table.leads td.cell-expand {
    width: 36px;
    text-align: center;
    color: var(--text-fade);
    user-select: none;
    cursor: pointer;
}
table.leads tr.lead-row { cursor: pointer; transition: background 0.1s; }
table.leads tr.lead-row:hover { background: rgba(255,255,255,0.025); }
table.leads tr.lead-row.open  { background: var(--bg-elev-2); }
table.leads tr.lead-row.has-note .cell-expand .note-icon {
    color: var(--accent);
    font-size: 0.7rem;
    margin-left: 0.2rem;
    vertical-align: middle;
}
table.leads tr.lead-row.new { animation: rowflash 2.5s ease; }
@keyframes rowflash {
    0%   { background: rgba(34,197,94,0.2); }
    100% { background: transparent; }
}

/* ---------- note editor ---------- */
tr.note-row td {
    padding: 0 !important;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.note-editor {
    padding: 1rem 1.2rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    border-left: 3px solid var(--c, var(--accent));
}
.note-editor .note-meta {
    color: var(--text-dim);
    font-size: 0.8rem;
}
.note-editor .note-meta strong { color: var(--text); font-weight: 600; }
.note-editor textarea {
    width: 100%;
    resize: vertical;
    min-height: 88px;
    background: var(--bg-elev);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.7rem 0.9rem;
    font-size: 0.9rem;
    font-family: inherit;
    line-height: 1.5;
}
.note-editor textarea:focus { outline: none; border-color: var(--accent); }
.note-editor .note-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.note-editor .note-actions .spacer { flex: 1; }

/* ---------- empty / status ---------- */
.empty {
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--text-fade);
}

/* ---------- toast ---------- */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--bg-elev-2);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    padding: 0.7rem 1rem;
    font-size: 0.85rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(0.5rem);
    transition: opacity 0.18s ease, transform 0.18s ease;
    pointer-events: none;
    z-index: 100;
    max-width: 440px;
}
.toast.show  { opacity: 1; transform: translateY(0); pointer-events: auto; }
.toast.error { border-color: rgba(239,68,68,0.5); color: #fca5a5; }

.hidden { display: none !important; }

/* ---------- responsive ---------- */
@media (max-width: 700px) {
    main { padding: 1rem; }
    .app-header { padding: 0.7rem 1rem; gap: 0.8rem; }
    .live-indicator { display: none; }
    .total-card .val { font-size: 1.5rem; }
    .detail-header { gap: 0.6rem; }
    .detail-meta { width: 100%; margin-left: 0; }
    table.leads th, table.leads td { padding: 0.5rem 0.6rem; font-size: 0.8rem; }
}