/* Axle Marketing — brand tokens */
:root {
  --green:       #22D07A;
  --green-dark:  #1AB268;
  --green-tint:  #E7F7ED;
  --ink:         #0B1B0F;
  --ink-2:       #0B2416;
  --text:        #0B1B0F;
  --text-2:      #3A4A41;
  --text-3:      #6B7770;
  --text-4:      #8B968F;
  --line:        #EEF0EC;
  --line-2:      #DBE9E2;
  --bg:          #F7F9F7;
  --card:        #FFFFFF;
  --danger:      #DC2626;
  --amber:       #B45309;
  --info:        #0369A1;
  --shadow-sm:   0 1px 2px rgba(11,27,15,0.04), 0 1px 3px rgba(11,27,15,0.06);
  --shadow-md:   0 4px 12px rgba(11,27,15,0.06), 0 2px 4px rgba(11,27,15,0.04);
  --shadow-lg:   0 24px 48px rgba(11,27,15,0.10), 0 8px 16px rgba(11,27,15,0.06);
  --radius:      14px;
  --radius-sm:   10px;
  --radius-lg:   20px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; line-height: 1.5; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* ═══ Boot state ═══ */
.boot { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; }
.boot-mark { font-size: 20px; font-weight: 800; letter-spacing: -0.03em; color: var(--ink); }
.boot-spinner { width: 24px; height: 24px; border: 2.5px solid var(--line); border-top-color: var(--green); border-radius: 100px; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.brand-mark { color: var(--green); font-size: 22px; }

/* ═══ Layout ═══ */
.app-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--ink-2); color: white; padding: 24px 20px; display: flex; flex-direction: column; gap: 4px; }
.side-brand { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 800; letter-spacing: -0.02em; color: white; margin-bottom: 32px; }
.side-brand .brand-mark { color: var(--green); font-size: 18px; }
.nav-heading { font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.4); padding: 12px 12px 6px 12px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14px; color: rgba(255,255,255,0.72); font-weight: 500; text-decoration: none; }
.nav-item:hover { background: rgba(255,255,255,0.06); color: white; text-decoration: none; }
.nav-item.active { background: rgba(34,208,122,0.16); color: var(--green); font-weight: 600; }
.nav-item .nav-icon { width: 16px; height: 16px; opacity: 0.9; }
.side-footer { margin-top: auto; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }
.side-user { font-size: 12px; color: rgba(255,255,255,0.55); padding: 8px 12px; }
.side-user strong { display: block; color: white; font-weight: 600; font-size: 13px; margin-bottom: 2px; }
.side-logout { display: block; padding: 8px 12px; margin-top: 4px; font-size: 12px; color: rgba(255,255,255,0.55); text-decoration: none; cursor: pointer; background: transparent; border: 0; text-align: left; width: 100%; border-radius: var(--radius-sm); }
.side-logout:hover { background: rgba(255,255,255,0.06); color: white; }

.main { padding: 40px 48px; overflow-y: auto; }
.page-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; gap: 20px; }
.page-title { font-size: 32px; font-weight: 800; letter-spacing: -0.03em; color: var(--ink); margin: 0 0 4px 0; }
.page-sub { font-size: 14px; color: var(--text-3); margin: 0; }

/* ═══ Buttons ═══ */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 11px 20px; border: 0; border-radius: 100px; font-size: 14px; font-weight: 700; letter-spacing: -0.01em; cursor: pointer; transition: transform 0.06s, background 0.1s; text-decoration: none; }
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--green); color: var(--ink); }
.btn-primary:hover { background: var(--green-dark); color: var(--ink); }
.btn-dark { background: var(--ink); color: var(--green); }
.btn-dark:hover { background: var(--ink-2); color: var(--green); }
.btn-ghost { background: transparent; color: var(--text); border: 1.5px solid var(--line); }
.btn-ghost:hover { background: var(--bg); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 7px 14px; font-size: 12.5px; }
.btn-lg { padding: 14px 26px; font-size: 15px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ═══ Cards ═══ */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.card-lg { padding: 32px; border-radius: var(--radius-lg); }
.card-title { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink); margin: 0 0 4px 0; }
.card-sub { font-size: 13px; color: var(--text-3); margin: 0 0 16px 0; }

/* ═══ Inputs ═══ */
.input, .textarea, .select { width: 100%; padding: 11px 14px; font-size: 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: white; color: var(--text); transition: border-color 0.15s, box-shadow 0.15s; }
.input:focus, .textarea:focus, .select:focus { outline: 0; border-color: var(--green); box-shadow: 0 0 0 3px rgba(34,208,122,0.15); }
.textarea { min-height: 120px; resize: vertical; font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 12.5px; line-height: 1.5; }
.field { margin-bottom: 16px; }
.field-label { display: block; font-size: 12px; font-weight: 700; color: var(--text-2); letter-spacing: -0.005em; margin-bottom: 6px; }
.field-help { font-size: 11.5px; color: var(--text-4); margin-top: 4px; }

/* ═══ Login page ═══ */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; background: linear-gradient(180deg, var(--green-tint) 0%, var(--bg) 100%); }
.login-card { max-width: 380px; width: 100%; background: white; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 40px 32px; text-align: center; }
.login-brand { display: inline-flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 800; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 8px; }
.login-brand .brand-mark { font-size: 22px; color: var(--green); }
.login-sub { font-size: 13px; color: var(--text-3); margin-bottom: 28px; letter-spacing: 0.02em; text-transform: uppercase; font-weight: 700; }
.login-title { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); margin: 0 0 8px 0; }
.login-help { font-size: 14px; color: var(--text-3); margin: 0 0 24px 0; }
.login-form { text-align: left; }
.login-form .btn { width: 100%; justify-content: center; margin-top: 8px; }
.login-status { margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13.5px; }
.login-status.info { background: rgba(3,105,161,0.08); color: var(--info); }
.login-status.error { background: rgba(220,38,38,0.08); color: var(--danger); }
.login-status.success { background: rgba(34,208,122,0.12); color: var(--green-dark); }

/* ═══ Dashboard ═══ */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.stat { background: white; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.stat-label { font-size: 11px; font-weight: 700; color: var(--text-3); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); line-height: 1.1; }
.stat-delta { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.stat-delta.positive { color: var(--green-dark); }

.table-wrap { background: white; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table thead th { text-align: left; padding: 12px 16px; font-size: 11px; font-weight: 700; color: var(--text-3); letter-spacing: 0.1em; text-transform: uppercase; border-bottom: 1px solid var(--line); background: var(--bg); }
.table tbody td { padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--text); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: rgba(34,208,122,0.02); cursor: pointer; }
.table .col-num { text-align: right; font-variant-numeric: tabular-nums; }
.table .col-title { font-weight: 600; color: var(--ink); }
.table .col-sub { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.pill { display: inline-block; padding: 3px 8px; font-size: 11px; font-weight: 700; border-radius: 100px; letter-spacing: 0.02em; }
.pill.draft { background: var(--line); color: var(--text-3); }
.pill.scheduled { background: rgba(3,105,161,0.12); color: var(--info); }
.pill.sending { background: rgba(180,83,9,0.12); color: var(--amber); }
.pill.sent { background: rgba(34,208,122,0.14); color: var(--green-dark); }
.pill.paused { background: rgba(180,83,9,0.12); color: var(--amber); }
.pill.cancelled { background: rgba(220,38,38,0.1); color: var(--danger); }

/* ═══ Empty state ═══ */
.empty { text-align: center; padding: 64px 24px; background: white; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink); margin: 0 0 6px 0; }
.empty p { font-size: 14px; color: var(--text-3); margin: 0 0 20px 0; }

/* ═══ Composer (two-column) ═══ */
.composer { display: grid; grid-template-columns: 400px 1fr; gap: 24px; align-items: start; }
.composer .col-preview { position: sticky; top: 24px; }
.preview-frame-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.preview-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; padding: 0 6px; }
.preview-toolbar-label { font-size: 11px; font-weight: 700; color: var(--text-3); letter-spacing: 0.12em; text-transform: uppercase; }
.preview-tabs { display: inline-flex; background: var(--bg); padding: 3px; border-radius: 100px; gap: 2px; }
.preview-tab { padding: 5px 12px; font-size: 11.5px; font-weight: 600; color: var(--text-3); background: transparent; border: 0; border-radius: 100px; cursor: pointer; }
.preview-tab.active { background: white; color: var(--ink); box-shadow: var(--shadow-sm); }
.preview-frame { width: 100%; height: 620px; border: 0; border-radius: var(--radius-sm); background: var(--bg); }
.preview-frame.mobile { width: 375px; margin: 0 auto; display: block; }

.compose-actions { display: flex; gap: 10px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }

/* ═══ Audience picker ═══ */
.audience { background: var(--green-tint); border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 16px; margin-top: 12px; }
.audience-count { font-size: 24px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.audience-count-sub { font-size: 12px; color: var(--text-3); margin-top: 2px; font-weight: 500; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip { padding: 6px 12px; font-size: 12px; font-weight: 600; border-radius: 100px; background: var(--card); border: 1px solid var(--line); color: var(--text-2); cursor: pointer; user-select: none; }
.chip.active { background: var(--ink); color: white; border-color: var(--ink); }
.chip:hover { border-color: var(--green); }

/* ═══ Utility ═══ */
.row { display: flex; align-items: center; gap: 12px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.stack-sm > * + * { margin-top: 8px; }
.stack-md > * + * { margin-top: 16px; }
.stack-lg > * + * { margin-top: 24px; }
.text-mono { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 12px; }
.text-muted { color: var(--text-3); }
.hidden { display: none !important; }

/* ═══ Toast ═══ */
.toast { position: fixed; bottom: 24px; right: 24px; padding: 14px 20px; background: var(--ink); color: white; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 600; box-shadow: var(--shadow-lg); z-index: 100; }
.toast.success { background: var(--green-dark); }
.toast.error { background: var(--danger); }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding: 20px; }
  .composer { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}