/* ═══════════════════════════════════════════════
   CONTACT BOOK  –  global design tokens
═══════════════════════════════════════════════ */
:root {
  --bg:           #060e1a;
  --bg2:          #0a1628;
  --panel:        rgba(255,255,255,0.06);
  --panel-hover:  rgba(255,255,255,0.10);
  --panel-strong: rgba(255,255,255,0.13);
  --text:         #e8f0ff;
  --muted:        #8a97b0;
  --gold:         #f5c518;
  --primary:      #6ea8fe;
  --accent:       #7c4dff;
  --success:      #12c99b;
  --danger:       #ff5d73;
  --border:       rgba(255,255,255,0.10);
  --shadow:       0 20px 60px rgba(0,0,0,0.45);
  --radius:       20px;
  --radius-sm:    12px;
  --font:         'Inter', system-ui, sans-serif;
}

/* ── reset ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); }

/* ── body & background ──────────────────────── */
body {
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 10% 0%,   rgba(124,77,255,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 100%,  rgba(110,168,254,0.14) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 50%,   rgba(245,197,24,0.04) 0%, transparent 70%);
  overflow-x: hidden;
}

/* ── decorative vintage phone ───────────────── */
.bg-deco {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 4vw;
}
.bg-phone {
  width: min(480px, 45vw);
  color: rgba(245,197,24,0.055);
  filter: blur(0.5px);
}

/* ── page wrapper ───────────────────────────── */
.page-wrap {
  position: relative;
  z-index: 1;
}

/* ── app shell (sidebar + main) ─────────────── */
.app-shell {
  display: grid;
  grid-template-columns: 270px 1fr;
  min-height: 100vh;
}
.app-main {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── glassmorphism card ─────────────────────── */
.glass-card {
  background: var(--panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.06);
  border-radius: var(--radius);
}

/* ── sidebar ────────────────────────────────── */
.sidebar {
  padding: 28px 22px;
  margin: 18px 0 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: sticky;
  top: 18px;
  height: calc(100vh - 36px);
  border-right: none;
}

.brand { display: flex; gap: 14px; align-items: center; }
.brand-logo {
  width: 50px; height: 50px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold), #e07b00);
  font-weight: 700; font-size: 1.3rem; color: #000;
  box-shadow: 0 6px 20px rgba(245,197,24,0.35);
  flex-shrink: 0;
}
.brand h1 { font-size: 1rem; font-weight: 600; }
.brand p   { font-size: .78rem; color: var(--muted); margin-top: 2px; }

.nav { display: flex; flex-direction: column; gap: 6px; }
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: .9rem; font-weight: 500;
  transition: all .2s ease;
}
.nav-link:hover        { background: var(--panel-hover); color: var(--text); }
.nav-link.is-active    { background: var(--panel-strong); color: var(--text); }

.logout-form { margin-top: auto; }
.sidebar-divider {
  height: 1px;
  background: var(--border);
  border-radius: 1px;
}

/* ── topbar ─────────────────────────────────── */
.topbar { }
.page-title  { font-size: 1.9rem; font-weight: 700; }
.page-subtitle { color: var(--muted); margin-top: 4px; font-size: .9rem; }

/* ── hero panel ─────────────────────────────── */
.hero-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 24px 30px;
  background: linear-gradient(135deg,
    rgba(245,197,24,0.08) 0%,
    rgba(124,77,255,0.08) 100%);
  border-color: rgba(245,197,24,0.2);
}
.hero-panel h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -.02em;
}

/* ── filters panel ──────────────────────────── */
.filters-panel { padding: 20px 24px; }
.filters-form {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto auto;
  gap: 12px;
  align-items: center;
}

/* ── inputs ─────────────────────────────────── */
.input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  outline: none;
  font-family: var(--font);
  font-size: .9rem;
  transition: border-color .2s, background .2s;
}
.input:focus {
  border-color: rgba(110,168,254,0.5);
  background: rgba(255,255,255,0.08);
}
.input::placeholder { color: var(--muted); }
select.input option  { background: #0e1e33; color: var(--text); }
.textarea { resize: vertical; }
label { font-size: .85rem; color: var(--muted); font-weight: 500; }

/* ── buttons ─────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 11px 20px;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer; font-family: var(--font);
  font-size: .88rem; font-weight: 600;
  text-decoration: none; color: #fff;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.1); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #e07b00);
  color: #000;
  box-shadow: 0 6px 20px rgba(245,197,24,0.3);
}
.btn-secondary {
  background: var(--panel-strong);
  border: 1px solid var(--border);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-danger { background: linear-gradient(135deg, #ff5d73, #e8415a); }
.btn-danger-outline {
  background: transparent;
  border: 1px solid rgba(255,93,115,.45);
  color: var(--danger);
}
.btn-block { width: 100%; }

/* ── stats bar ───────────────────────────────── */
.vt-bar {
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
}
.stat-card {
  padding: 14px 24px;
  display: flex; align-items: center; gap: 12px;
}
.stat-card span   { color: var(--muted); font-size: .82rem; }
.stat-card strong { font-size: 1.5rem; font-weight: 700; color: var(--gold); }

/* ── view-mode toggle ────────────────────────── */
.vt-group {
  display: flex;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px; gap: 2px;
}
.vt-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px;
  border-radius: 10px; border: none;
  background: transparent;
  color: rgba(255,255,255,0.45);
  font-size: .82rem; font-weight: 500;
  cursor: pointer;
  transition: all .18s ease;
  white-space: nowrap;
}
.vt-btn:hover { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.85); }
.vt-btn.active {
  background: linear-gradient(135deg, var(--gold), #e07b00);
  color: #000;
  box-shadow: 0 4px 14px rgba(245,197,24,0.35);
  font-weight: 700;
}
.vt-btn svg { flex-shrink: 0; }

/* ── contacts grid ───────────────────────────── */
#contacts-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  transition: gap .2s;
}

/* list mode */
#contacts-grid.mode-list { grid-template-columns: 1fr; gap: 10px; }
#contacts-grid.mode-list .contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 24px;
  padding: 14px 22px;
}
#contacts-grid.mode-list .contact-card__header { grid-column:1; grid-row:1; }
#contacts-grid.mode-list .contact-card__body   { grid-column:1; grid-row:2; margin:4px 0 0; display:flex; gap:20px; }
#contacts-grid.mode-list .contact-card__body p { margin:0; }
#contacts-grid.mode-list .contact-card__footer { grid-column:2; grid-row:1/3; flex-direction:column; gap:6px; }

/* small mode */
#contacts-grid.mode-small { grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 10px; }
#contacts-grid.mode-small .contact-card { padding: 14px; }
#contacts-grid.mode-small .contact-card__header { flex-direction: column; align-items: flex-start; gap: 6px; }
#contacts-grid.mode-small .contact-card__header h3 { font-size: .88rem; }
#contacts-grid.mode-small .contact-card__header p  { font-size: .78rem; }
#contacts-grid.mode-small .contact-card__body  { display: none; }
#contacts-grid.mode-small .badge               { display: none; }
#contacts-grid.mode-small .contact-card__footer .btn { padding: 7px 10px; font-size: .75rem; }

/* large mode */
#contacts-grid.mode-large { grid-template-columns: repeat(auto-fill, minmax(440px, 1fr)); gap: 26px; }
#contacts-grid.mode-large .contact-card { padding: 32px; }
#contacts-grid.mode-large .avatar { width: 68px; height: 68px; font-size: 1.4rem; }
#contacts-grid.mode-large .contact-card__header h3 { font-size: 1.2rem; }

/* ── contact card ────────────────────────────── */
.contact-card { padding: 22px; transition: transform .2s, box-shadow .2s; }
.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 70px rgba(0,0,0,0.5), 0 0 0 1px rgba(245,197,24,0.12);
}
.contact-card__header,
.contact-card__footer {
  display: flex; justify-content: space-between;
  align-items: center; gap: 12px;
}
.contact-card__body { margin: 14px 0; color: var(--muted); font-size: .88rem; }
.contact-card__body p { margin-bottom: 5px; }

.avatar {
  width: 50px; height: 50px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(245,197,24,.25), rgba(124,77,255,.35));
  font-weight: 700; font-size: 1rem;
  border: 1px solid rgba(245,197,24,0.2);
  flex-shrink: 0;
}

.badge {
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(245,197,24,0.1);
  border: 1px solid rgba(245,197,24,0.2);
  color: var(--gold);
  font-size: .78rem; font-weight: 600;
}

/* ── auth pages ──────────────────────────────── */
.auth-layout {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 40px 20px;
}
.auth-card {
  width: min(100%, 480px);
  padding: 40px;
  background: rgba(10,22,40,0.82);
  border-color: rgba(245,197,24,0.18);
}
.auth-copy { margin-bottom: 28px; text-align: center; }
.auth-copy .eyebrow {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(245,197,24,0.12);
  border: 1px solid rgba(245,197,24,0.3);
  color: var(--gold);
  font-size: .78rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  margin-bottom: 14px;
}
.auth-copy h2 { font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.auth-copy p  { color: var(--muted); font-size: .9rem; line-height: 1.6; }
.auth-form, .stack-form { display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.auth-switch {
  text-align: center;
  color: var(--muted);
  font-size: .87rem;
  margin-top: 20px;
}
.auth-switch a { color: var(--gold); font-weight: 600; }

/* ── form card ───────────────────────────────── */
.form-card { padding: 32px; }
.form-card h2 { margin-bottom: 24px; font-size: 1.4rem; }
.empty-state  { padding: 50px; text-align: center; color: var(--muted); }

/* ── toast ───────────────────────────────────── */
.toast-container {
  position: fixed; top: 24px; right: 24px;
  display: grid; gap: 10px; z-index: 9999;
}
.toast {
  opacity: 0; transform: translateY(-10px);
  transition: all .25s ease;
  min-width: 260px; padding: 14px 18px;
  border-radius: var(--radius-sm); color: #fff;
  box-shadow: var(--shadow); font-size: .9rem;
}
.toast.show          { opacity: 1; transform: translateY(0); }
.toast-success       { background: linear-gradient(135deg, #12c99b, #09a87c); }
.toast-error         { background: linear-gradient(135deg, #ff5d73, #e8415a); }
.toast-warning       { background: linear-gradient(135deg, #f7b500, #ff8a00); }

/* ── search suggestions ──────────────────────── */
.search-group { position: relative; }
.suggestions-box {
  display: none; position: absolute;
  top: calc(100% + 8px); left: 0; width: 100%;
  padding: 6px; border-radius: 16px;
  background: rgba(8,18,32,0.98);
  border: 1px solid var(--border);
  box-shadow: var(--shadow); z-index: 100;
}
.suggestions-box.is-visible { display: block; }
.suggestion-item {
  width: 100%; text-align: left; border: 0;
  color: var(--text); background: transparent;
  padding: 11px 14px; border-radius: 10px;
  cursor: pointer; font-size: .88rem;
}
.suggestion-item:hover { background: var(--panel-hover); }

/* ── delete confirm card ─────────────────────── */
.delete-card { padding: 40px; text-align: center; max-width: 440px; margin: auto; }
.delete-card h2 { color: var(--danger); margin-bottom: 12px; }
.delete-card p  { color: var(--muted); margin-bottom: 28px; }
.delete-card .btn-row { display: flex; gap: 12px; justify-content: center; }

/* ── responsive ──────────────────────────────── */
@media (max-width: 1024px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar   { position: static; height: auto; margin: 0; border-radius: 0; }
  .app-main  { padding: 20px; }
  .filters-form { grid-template-columns: 1fr 1fr; }
  .bg-phone { width: 30vw; opacity: .6; }
}
@media (max-width: 640px) {
  .filters-form { grid-template-columns: 1fr; }
  .vt-btn span  { display: none; }
  .hero-panel   { flex-direction: column; text-align: center; }
}