/* =====================================================================
   Vatra TV SMS Center
   Light, premium, Apple/Stripe-influenced dashboard.
   "Vatra" = hearth / fireplace — the ember accent and the pulsing send
   ring are the one deliberate signature element; everything else stays
   quiet so the ember reads as intentional, not decorative.
   ===================================================================== */

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

:root {
    /* -- palette -- */
    --bg:            #F6F5F2;
    --surface:       #FFFFFF;
    --surface-sunk:  #FBFAF8;
    --border:        #E8E4DD;
    --border-strong: #DBD5CB;

    --ink:           #1B1815;
    --ink-soft:      #6E685F;
    --ink-faint:     #A39C90;

    --ember:         #D9531E;
    --ember-dark:    #B8410F;
    --ember-soft:    #FBE7DB;

    --success:       #1E9E5A;
    --success-soft:  #E1F5EA;
    --danger:        #D33A3A;
    --danger-soft:   #FBE6E6;
    --warning:       #C98A1D;
    --warning-soft:  #FBF0DC;
    --info:          #3B6FD9;
    --info-soft:     #E7EEFC;

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 1px 2px rgba(27, 24, 21, 0.05);
    --shadow: 0 4px 16px rgba(27, 24, 21, 0.06), 0 1px 3px rgba(27, 24, 21, 0.05);
    --shadow-lg: 0 12px 32px rgba(27, 24, 21, 0.10);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14.5px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 4px;
    color: var(--ink);
}
h1 { font-size: 26px; }
h2 { font-size: 19px; }
h3 { font-size: 15px; }

p { color: var(--ink-soft); }

a { color: var(--ember); text-decoration: none; }
a:hover { color: var(--ember-dark); }

code, .mono {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.92em;
}

/* ---------------------------------------------------------------- layout */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 236px;
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px 22px;
}
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.brand-mark {
    width: 28px; height: 28px; border-radius: 7px;
    background: radial-gradient(circle at 30% 25%, #FF8A50, var(--ember) 55%, var(--ember-dark) 100%);
    flex-shrink: 0;
}
.brand-name { font-weight: 800; font-size: 15px; letter-spacing: -0.01em; }
.brand-name span { color: var(--ember); }

.nav { display: flex; flex-direction: column; gap: 2px; margin-top: 4px; }
.nav a {
    display: flex; align-items: center; gap: 10px;
    color: var(--ink-soft);
    font-weight: 500;
    font-size: 13.5px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
}
.nav a:hover { background: var(--surface-sunk); color: var(--ink); }
.nav a.active { background: var(--ember-soft); color: var(--ember-dark); font-weight: 600; }
.nav .icon { width: 16px; text-align: center; font-size: 14px; }

.sidebar-footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 12.5px;
    color: var(--ink-faint);
}
.sidebar-footer .who { color: var(--ink-soft); font-weight: 600; margin-bottom: 6px; }
.sidebar-footer a { color: var(--ink-faint); }

.main {
    flex: 1;
    min-width: 0;
    padding: 32px 40px 60px;
}

.topbar {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
}
.topbar .eyebrow {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--ink-faint);
    font-weight: 600;
    margin-bottom: 2px;
}

/* ---------------------------------------------------------------- cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 22px;
}
.card + .card { margin-top: 16px; }
.card-row { display: flex; gap: 16px; flex-wrap: wrap; }
.card-row > .card { flex: 1; min-width: 220px; }

.stat-label { font-size: 12px; color: var(--ink-faint); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; margin-top: 4px; }
.stat-value.ember { color: var(--ember); }

/* ---------------------------------------------------------------- forms */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field { margin-bottom: 16px; }
.hint { font-size: 12px; color: var(--ink-faint); margin-top: 4px; }

input[type=text], input[type=password], input[type=number], input[type=search],
textarea, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--ember);
    box-shadow: 0 0 0 3px var(--ember-soft);
}
textarea { resize: vertical; min-height: 90px; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13.5px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .1s, box-shadow .15s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ember); color: #fff; box-shadow: 0 1px 2px rgba(217,83,30,.3); }
.btn-primary:hover { background: var(--ember-dark); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-sunk); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------------------------------------------------------------- table */
table { width: 100%; border-collapse: collapse; }
th {
    text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em;
    color: var(--ink-faint); font-weight: 700;
    padding: 10px 12px; border-bottom: 1px solid var(--border);
}
td { padding: 11px 12px; border-bottom: 1px solid var(--border); font-size: 13.5px; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface-sunk); }

/* ---------------------------------------------------------------- badges */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 9px; border-radius: 100px;
    font-size: 11.5px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.03em;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.pending  { background: var(--surface-sunk); color: var(--ink-faint); }
.badge.sending  { background: var(--info-soft); color: var(--info); }
.badge.sent     { background: var(--info-soft); color: var(--info); }
.badge.delivered,.badge.read { background: var(--success-soft); color: var(--success); }
.badge.failed,.badge.expired { background: var(--danger-soft); color: var(--danger); }
.badge.draft    { background: var(--surface-sunk); color: var(--ink-faint); }
.badge.active   { background: var(--success-soft); color: var(--success); }
.badge.paused   { background: var(--warning-soft); color: var(--warning); }
.badge.completed{ background: var(--info-soft); color: var(--info); }

/* ---------------------------------------------------------------- ember pulse
   Signature element: a small ring around an active campaign's icon that
   pulses like an ember and counts down to the next throttled batch. */
.pulse-ring {
    --p: 0;
    position: relative;
    width: 44px; height: 44px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background:
        radial-gradient(circle at center, var(--surface) 62%, transparent 63%),
        conic-gradient(var(--ember) calc(var(--p) * 1%), var(--border) 0);
    flex-shrink: 0;
}
.pulse-ring::after {
    content: '';
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--ember);
    box-shadow: 0 0 0 0 rgba(217, 83, 30, .55);
    animation: ember-pulse 2.2s ease-out infinite;
}
.pulse-ring.idle::after { animation: none; background: var(--ink-faint); }
@keyframes ember-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(217, 83, 30, .55); }
    70%  { box-shadow: 0 0 0 9px rgba(217, 83, 30, 0); }
    100% { box-shadow: 0 0 0 0 rgba(217, 83, 30, 0); }
}

/* ---------------------------------------------------------------- misc */
.flash { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 13.5px; font-weight: 500; }
.flash.success { background: var(--success-soft); color: var(--success); }
.flash.error { background: var(--danger-soft); color: var(--danger); }
.flash.info { background: var(--info-soft); color: var(--info); }

.empty-state {
    text-align: center; padding: 48px 20px; color: var(--ink-faint);
}
.empty-state h3 { color: var(--ink-soft); margin-bottom: 6px; }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar-actions { display: flex; gap: 8px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

.progress-bar { height: 6px; border-radius: 4px; background: var(--border); overflow: hidden; }
.progress-bar > span { display: block; height: 100%; background: var(--ember); border-radius: 4px; }

.login-wrap {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at 30% 20%, #FBEADD 0%, var(--bg) 55%);
}
.login-card { width: 360px; }
.login-card .brand { justify-content: center; padding-bottom: 26px; }
.login-card .brand-name { font-size: 17px; }

@media (max-width: 860px) {
    .sidebar { display: none; }
    .main { padding: 20px; }
}