/* ═══════════════════════════════════════════════════════════════════
   MailBlast Pro — Professional Email Marketing UI
   Inspired by: Mailchimp, SendGrid, Brevo dark themes
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  --bg:        #080b12;
  --bg2:       #0d1117;
  --surface:   #111827;
  --surface2:  #1a2235;
  --surface3:  #1f2d45;
  --border:    #1e2d45;
  --border2:   #263352;
  --accent:    #3b82f6;
  --accent2:   #6d28d9;
  --accent3:   #0ea5e9;
  --green:     #10b981;
  --red:       #ef4444;
  --yellow:    #f59e0b;
  --purple:    #8b5cf6;
  --text:      #f1f5f9;
  --text2:     #94a3b8;
  --muted:     #475569;
  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 8px 32px rgba(0,0,0,.5);
  --shadow-sm: 0 2px 12px rgba(0,0,0,.3);
  --glow:      0 0 30px rgba(59,130,246,.15);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Animations ──────────────────────────────────────────── */
@keyframes fadeIn    { from { opacity:0 } to { opacity:1 } }
@keyframes slideUp   { from { opacity:0; transform:translateY(18px) } to { opacity:1; transform:none } }
@keyframes slideIn   { from { opacity:0; transform:translateX(-12px) } to { opacity:1; transform:none } }
@keyframes pulse     { 0%,100%{opacity:1} 50%{opacity:.4} }
@keyframes glow      { 0%,100%{box-shadow:0 0 8px rgba(59,130,246,.3)} 50%{box-shadow:0 0 24px rgba(59,130,246,.6)} }
@keyframes spin      { from{transform:rotate(0)} to{transform:rotate(360deg)} }
@keyframes shimmer   { 0%{background-position:-200% 0} 100%{background-position:200% 0} }
@keyframes blink     { 0%,100%{opacity:1} 50%{opacity:0} }
@keyframes floatUp   { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-4px)} }

/* ── Body & Layout ───────────────────────────────────────── */
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% 0%,   rgba(59,130,246,.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 100%,  rgba(109,40,217,.07) 0%, transparent 60%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  animation: fadeIn .4s ease;
  -webkit-font-smoothing: antialiased;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: 248px;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg2) 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  position: fixed;
  top: 0; left: 0;
  z-index: 200;
  overflow: hidden;
}

/* Sidebar top glow */
.sidebar::before {
  content: '';
  position: absolute;
  top: 0; left: -50%; width: 200%; height: 200px;
  background: radial-gradient(ellipse at 50% -20%, rgba(59,130,246,.15) 0%, transparent 70%);
  pointer-events: none;
}

.sidebar-logo {
  padding: 28px 22px 20px;
  position: relative;
}

.sidebar-logo .logo-text {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.sidebar-logo .logo-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: .55rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 6px;
  border-radius: 4px;
  vertical-align: super;
  margin-left: 6px;
  text-transform: uppercase;
}

.sidebar-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border2), transparent);
  margin: 4px 16px 12px;
}

.nav-section-label {
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  padding: 6px 22px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 22px;
  color: var(--text2);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all .18s ease;
  position: relative;
  margin: 1px 0;
}

.nav-item .nav-icon {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9px;
  background: transparent;
  transition: all .18s;
  flex-shrink: 0;
}

.nav-item:hover {
  color: var(--text);
  background: rgba(255,255,255,.04);
  border-left-color: rgba(59,130,246,.4);
}
.nav-item:hover .nav-icon { background: rgba(59,130,246,.12); }

.nav-item.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(59,130,246,.15), rgba(59,130,246,.04));
  border-left-color: var(--accent);
}
.nav-item.active .nav-icon {
  background: linear-gradient(135deg, rgba(59,130,246,.3), rgba(109,40,217,.2));
  color: var(--accent);
}
.nav-item.active::after {
  content:''; position:absolute; right:0; top:50%; transform:translateY(-50%);
  width:3px; height:24px; background:var(--accent); border-radius:3px 0 0 3px;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex; align-items: center; gap: 10px;
}

.sidebar-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; color: #fff;
  flex-shrink: 0;
}

.sidebar-user-info { flex: 1; overflow: hidden; }
.sidebar-user-email { font-size: .75rem; color: var(--text2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.logout-btn {
  margin-top: 8px;
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .75rem; color: var(--red);
  text-decoration: none; opacity: .8;
  transition: opacity .15s;
}
.logout-btn:hover { opacity: 1; }

/* ── Main Content ────────────────────────────────────────── */
.main {
  margin-left: 248px;
  flex: 1;
  padding: 32px 36px;
  min-height: 100vh;
  animation: slideUp .35s ease;
}

/* ── Page Header ─────────────────────────────────────────── */
.page-header { margin-bottom: 28px; }

.page-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.5px;
}

.page-subtitle { font-size: .875rem; color: var(--text2); margin-top: 3px; }

/* ── Stat Cards ──────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
  transition: transform .2s, border-color .2s, box-shadow .2s;
  animation: slideUp .4s ease both;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0; transition: opacity .2s;
}
.stat-card:hover { transform: translateY(-3px); border-color: var(--border2); box-shadow: var(--glow); }
.stat-card:hover::before { opacity: 1; }

.stat-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  background: rgba(59,130,246,.1);
  color: var(--accent);
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label { font-size: .78rem; color: var(--text2); margin-top: 2px; font-weight: 500; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  animation: slideUp .4s ease both;
}

.card-title {
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
  display: flex; align-items: center; gap: 8px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .18s ease;
  text-decoration: none;
  white-space: nowrap;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 4px 18px rgba(59,130,246,.35), 0 0 0 0 rgba(59,130,246,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,.45), 0 0 20px rgba(59,130,246,.2);
}
.btn-primary:active { transform: translateY(0); }

.btn-success {
  background: rgba(16,185,129,.12);
  color: var(--green);
  border: 1px solid rgba(16,185,129,.3);
}
.btn-success:hover { background: rgba(16,185,129,.22); transform: translateY(-1px); }

.btn-danger {
  background: rgba(239,68,68,.1);
  color: var(--red);
  border: 1px solid rgba(239,68,68,.25);
}
.btn-danger:hover { background: rgba(239,68,68,.2); }

.btn-ghost {
  background: rgba(255,255,255,.04);
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border2); background: rgba(255,255,255,.07); }

.btn-sm { padding: 6px 14px; font-size: .8rem; }
.btn-xs { padding: 4px 10px; font-size: .75rem; border-radius: 6px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 7px;
  text-transform: uppercase;
  letter-spacing: .6px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .875rem;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s, background .2s;
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
  background: var(--surface3);
}
.form-control::placeholder { color: var(--muted); }

textarea.form-control { resize: vertical; min-height: 100px; line-height: 1.6; }

select.form-control { cursor: pointer; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media(max-width:640px) { .form-row { grid-template-columns:1fr; } }

/* ── Table ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }

table { width:100%; border-collapse:collapse; font-size:.875rem; }

thead { background: rgba(255,255,255,.02); }

th {
  text-align:left; padding:10px 16px;
  font-size:.7rem; text-transform:uppercase; letter-spacing:.8px;
  color:var(--muted); font-weight:700; border-bottom:1px solid var(--border);
}

td { padding:13px 16px; border-bottom:1px solid rgba(30,45,69,.6); vertical-align:middle; }

tr { transition: background .15s; }
tr:hover td { background: rgba(59,130,246,.03); }
tr:last-child td { border-bottom:none; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  display:inline-flex; align-items:center;
  padding:3px 10px; border-radius:999px;
  font-size:.7rem; font-weight:700; letter-spacing:.3px;
}
.badge-sent, .badge-ok     { background:rgba(16,185,129,.12); color:#34d399; border:1px solid rgba(16,185,129,.25); }
.badge-failed, .badge-dead { background:rgba(239,68,68,.1); color:#f87171; border:1px solid rgba(239,68,68,.25); }
.badge-running             { background:rgba(59,130,246,.12); color:#60a5fa; border:1px solid rgba(59,130,246,.3); animation:pulse 2s infinite; }
.badge-paused              { background:rgba(245,158,11,.1); color:#fbbf24; border:1px solid rgba(245,158,11,.25); }
.badge-draft               { background:rgba(148,163,184,.08); color:#94a3b8; border:1px solid rgba(148,163,184,.2); }
.badge-done                { background:rgba(16,185,129,.12); color:#34d399; border:1px solid rgba(16,185,129,.25); }
.badge-rotated             { background:rgba(139,92,246,.12); color:#a78bfa; border:1px solid rgba(139,92,246,.3); }
.badge-smtp                { background:rgba(59,130,246,.1); color:#60a5fa; border:1px solid rgba(59,130,246,.2); }

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: .875rem;
  display: flex; align-items: center; gap: 10px;
  animation: slideIn .3s ease;
}
.alert-success { background:rgba(16,185,129,.1); border:1px solid rgba(16,185,129,.3); color:#34d399; }
.alert-danger  { background:rgba(239,68,68,.1);  border:1px solid rgba(239,68,68,.3);  color:#f87171; }
.alert-info    { background:rgba(59,130,246,.1); border:1px solid rgba(59,130,246,.3); color:#60a5fa; }

/* ── Auth pages ──────────────────────────────────────────── */
.auth-wrap {
  display:flex; align-items:center; justify-content:center;
  min-height:100vh; width:100%;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.09) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 80%, rgba(109,40,217,.09) 0%, transparent 55%);
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 44px 40px;
  width: 100%; max-width: 430px;
  box-shadow: var(--shadow), var(--glow);
  animation: slideUp .5s cubic-bezier(.22,.68,0,1.2);
}

.auth-logo {
  text-align: center;
  font-size: 1.9rem;
  font-weight: 900;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
  letter-spacing: -.5px;
}

.auth-sub { text-align:center; color:var(--text2); font-size:.875rem; margin-bottom:28px; }

/* ── Progress bar ────────────────────────────────────────── */
.progress-wrap {
  background: var(--surface2);
  border-radius: 999px;
  height: 6px;
  overflow: hidden;
  margin: 8px 0;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 999px;
  transition: width .6s cubic-bezier(.22,.68,0,1.2);
  position: relative;
}
.progress-bar::after {
  content:''; position:absolute; right:0; top:0; bottom:0; width:40px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3));
  animation:shimmer 1.5s linear infinite;
}

/* ── Log stream rows ─────────────────────────────────────── */
.log-row {
  display: grid;
  grid-template-columns: 155px 1fr 1fr 90px;
  gap: 12px;
  padding: 9px 16px;
  border-bottom: 1px solid rgba(30,45,69,.5);
  font-size: .8rem;
  transition: background .12s;
  animation: fadeIn .25s ease;
}
.log-row:hover { background: rgba(59,130,246,.03); }
.log-time { color: var(--muted); font-family: 'JetBrains Mono','Fira Code',monospace; font-size:.75rem; }

/* ── Check items ─────────────────────────────────────────── */
.check-item {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .18s;
  font-size: .875rem; color: var(--text2);
  background: var(--surface2);
}
.check-item:hover { border-color: var(--accent); color: var(--text); background: var(--surface3); }
.check-item input[type=checkbox] { accent-color: var(--accent); width:15px; height:15px; }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:var(--bg2); }
::-webkit-scrollbar-thumb { background:var(--border2); border-radius:4px; }
::-webkit-scrollbar-thumb:hover { background:var(--muted); }

/* ── Misc utilities ──────────────────────────────────────── */
.divider { height:1px; background: linear-gradient(90deg,transparent,var(--border),transparent); margin:20px 0; }
.text-muted { color:var(--text2) !important; }
.text-accent { color:var(--accent); }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state { text-align:center; padding:56px 24px; color:var(--text2); }
.empty-state svg { display:block; margin:0 auto 16px; opacity:.2; }
.empty-state h3 { font-size:1rem; font-weight:600; color:var(--text); margin-bottom:6px; }
.empty-state p  { font-size:.875rem; margin-bottom:20px; }