:root {
  --coral: #ff4d45;
  --rose: #f50f66;
  --magenta: #c20d8c;
  --violet: #4715ab;
  --deep-violet: #1f0a59;
  --cream: #fff5d1;
  --text: #23183d;
  --muted: #726a80;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --border: rgba(71, 21, 171, 0.14);
  --shadow: 0 18px 50px rgba(31, 10, 89, 0.10);
  --gradient: linear-gradient(135deg, var(--coral), var(--rose) 36%, var(--magenta) 66%, var(--violet));
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 92% 4%, rgba(255,77,69,.12), transparent 27rem),
    radial-gradient(circle at 4% 92%, rgba(71,21,171,.09), transparent 30rem),
    linear-gradient(145deg, rgba(255,77,69,.09), rgba(245,15,102,.045) 36%, rgba(71,21,171,.06) 72%, #fff 100%);
  background-attachment: fixed;
}

a { color: var(--magenta); text-decoration: none; }
a:hover { color: var(--violet); }

.app-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.main-content { min-height: calc(100vh - 145px); padding: 34px 0 56px; }

.app-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  margin-top: 14px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 22px;
  background: rgba(255,255,255,.78);
  box-shadow: 0 12px 38px rgba(31,10,89,.08);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

.navbar-brand { display: flex; align-items: center; gap: 11px; font-weight: 800; color: var(--deep-violet) !important; }
.brand-logo { width: 42px; height: 42px; border-radius: 13px; box-shadow: 0 8px 22px rgba(194,13,140,.24); }
.brand-title { line-height: 1; }
.navbar-toggler { border: 0; box-shadow: none !important; }
.navbar-nav .nav-link { color: #625a70; font-weight: 650; border-radius: 12px; padding: .65rem .82rem !important; }
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active { color: var(--violet); background: rgba(71,21,171,.07); }
.user-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; background: rgba(71,21,171,.06); color: var(--deep-violet); font-size: .92rem; }

.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); align-items: center; gap: clamp(30px, 6vw, 84px); padding: 30px 0; }
.hero-copy { max-width: 520px; }
.logo-mark { width: 112px; height: 112px; border-radius: 28px; margin-bottom: 22px; box-shadow: 0 20px 42px rgba(194,13,140,.25); }
.gradient-title { margin: 0; font-size: clamp(2.4rem, 5vw, 4.4rem); line-height: .98; font-weight: 850; letter-spacing: -.045em; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-title { margin: 0; color: var(--deep-violet); font-weight: 820; letter-spacing: -.035em; font-size: clamp(2rem, 4vw, 3.35rem); }
.page-subtitle { color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--magenta); font-weight: 750; font-size: .83rem; letter-spacing: .075em; text-transform: uppercase; margin-bottom: 12px; }

.ios-card {
  padding: clamp(20px, 3vw, 30px);
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.image-card { padding: 10px; overflow: hidden; }
.web-image { width: 100%; display: block; border-radius: 19px; object-fit: cover; max-height: 590px; }
.auth-image { aspect-ratio: 4 / 5; }

.btn-ios-primary, .btn-ios-secondary, .btn-ios-danger {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 52px; border: 0; border-radius: 15px; padding: 13px 20px;
  font-weight: 750; transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
}
.btn-ios-primary { color: #fff !important; background: var(--gradient); box-shadow: 0 10px 24px rgba(194,13,140,.24); }
.btn-ios-primary:hover { transform: translateY(-1px); box-shadow: 0 13px 29px rgba(194,13,140,.30); }
.btn-ios-secondary { color: var(--violet) !important; background: rgba(71,21,171,.07); border: 1px solid rgba(71,21,171,.18); }
.btn-ios-danger { color: #b42337 !important; background: rgba(210,35,66,.08); border: 1px solid rgba(210,35,66,.16); }
.btn-ios-primary:disabled, .btn-ios-secondary:disabled { opacity: .55; transform: none; box-shadow: none; }

.form-label { color: var(--deep-violet); font-weight: 720; margin-bottom: 8px; }
.form-control, .form-select {
  min-height: 51px; border-radius: 14px; border: 1px solid rgba(71,21,171,.14);
  background: rgba(255,255,255,.84); color: var(--text); padding: .78rem .95rem;
  box-shadow: 0 1px 0 rgba(255,255,255,.75) inset;
}
textarea.form-control { min-height: 150px; resize: vertical; }
.form-control:focus, .form-select:focus { border-color: rgba(194,13,140,.55); box-shadow: 0 0 0 4px rgba(194,13,140,.10); background: #fff; }
.input-icon { color: var(--magenta); }

.alert { border: 0; border-radius: 14px; }
.alert-success { color: #17643c; background: rgba(41,165,98,.12); }
.alert-danger { color: #90283a; background: rgba(215,45,75,.10); }
.flash-stack { margin-top: 14px; }

.message-toolbar { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 24px; }
.nav-pills-ios { display: inline-flex; padding: 5px; border-radius: 14px; background: rgba(71,21,171,.065); border: 1px solid rgba(71,21,171,.10); }
.nav-pills-ios .nav-link { border: 0; border-radius: 10px; color: #726a80; font-weight: 720; padding: 10px 18px; }
.nav-pills-ios .nav-link.active { color: #fff; background: var(--gradient); box-shadow: 0 7px 17px rgba(194,13,140,.20); }
.message-card { position: relative; margin-bottom: 16px; padding: 22px; border-radius: 20px; background: rgba(255,255,255,.84); border: 1px solid var(--border); box-shadow: 0 10px 32px rgba(31,10,89,.07); }
.message-card::before { content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 4px; border-radius: 8px; background: var(--gradient); }
.message-meta { display: flex; justify-content: space-between; gap: 15px; color: var(--muted); font-size: .88rem; }
.message-body { font-size: 1.09rem; line-height: 1.65; margin: 15px 0 12px; white-space: pre-wrap; }
.person-line { color: var(--deep-violet); font-weight: 700; }
.empty-state { text-align: center; padding: 54px 20px; color: var(--muted); }
.empty-icon { width: 62px; height: 62px; display: grid; place-items: center; margin: 0 auto 14px; border-radius: 19px; color: #fff; background: var(--gradient); box-shadow: 0 12px 26px rgba(194,13,140,.22); font-size: 1.45rem; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.feature-item { padding: 20px; border-radius: 18px; background: rgba(71,21,171,.045); border: 1px solid rgba(71,21,171,.09); }
.feature-icon { color: var(--magenta); font-size: 1.3rem; margin-bottom: 12px; }

.site-footer { padding: 18px 0 28px; color: var(--muted); font-size: .9rem; text-align: center; }

@media (max-width: 991px) {
  .app-navbar { border-radius: 18px; }
  .navbar-collapse { padding-top: 12px; }
  .user-pill { margin-top: 8px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: none; }
  .hero-media { order: -1; }
  .auth-image { aspect-ratio: 16 / 10; max-height: 380px; }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 575px) {
  .app-shell { width: min(100% - 20px, 1180px); }
  .main-content { padding-top: 22px; }
  .ios-card { border-radius: 20px; padding: 20px; }
  .logo-mark { width: 88px; height: 88px; border-radius: 22px; }
  .message-toolbar { display: block; }
  .nav-pills-ios { display: flex; width: 100%; margin-top: 16px; }
  .nav-pills-ios .nav-link { flex: 1; }
  .message-meta { display: block; }
  .form-actions { display: grid !important; gap: 10px; }
  .form-actions > * { width: 100%; }
}

/* Bootstrap 5.3 theme overrides matching the iOS app */
:root,
[data-bs-theme="light"] {
  --bs-primary: #c20d8c;
  --bs-primary-rgb: 194, 13, 140;
  --bs-secondary: #4715ab;
  --bs-secondary-rgb: 71, 21, 171;
  --bs-danger: #d22d4b;
  --bs-danger-rgb: 210, 45, 75;
  --bs-body-color: #23183d;
  --bs-body-bg: #fffafd;
  --bs-border-radius: 0.9rem;
  --bs-border-radius-lg: 1rem;
  --bs-link-color: #c20d8c;
  --bs-link-hover-color: #4715ab;
  --bs-focus-ring-color: rgba(194, 13, 140, 0.2);
}

.btn {
  --bs-btn-font-weight: 750;
  --bs-btn-border-radius: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.btn-lg {
  --bs-btn-padding-y: 0.78rem;
  --bs-btn-padding-x: 1.25rem;
  --bs-btn-font-size: 1rem;
}

.btn-primary {
  --bs-btn-bg: #c20d8c;
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: #a90b7a;
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: #8f0968;
  --bs-btn-active-border-color: transparent;
  background-image: var(--gradient);
  box-shadow: 0 10px 24px rgba(194, 13, 140, 0.24);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 13px 29px rgba(194, 13, 140, 0.3);
}

.btn-outline-primary {
  --bs-btn-color: #4715ab;
  --bs-btn-border-color: rgba(71, 21, 171, 0.25);
  --bs-btn-hover-bg: rgba(71, 21, 171, 0.09);
  --bs-btn-hover-color: #4715ab;
  --bs-btn-hover-border-color: rgba(71, 21, 171, 0.35);
  --bs-btn-active-bg: rgba(71, 21, 171, 0.14);
  --bs-btn-active-color: #4715ab;
  background-color: rgba(255,255,255,.55);
}

.btn-outline-danger {
  --bs-btn-color: #b42337;
  --bs-btn-border-color: rgba(210, 35, 66, 0.2);
  --bs-btn-hover-bg: rgba(210, 35, 66, 0.1);
  --bs-btn-hover-color: #9d1f32;
  --bs-btn-hover-border-color: rgba(210, 35, 66, 0.3);
}

.card,
.ios-card {
  --bs-card-border-color: var(--border);
  --bs-card-border-radius: 1.5rem;
  --bs-card-bg: var(--surface);
}

.form-control,
.form-select {
  --bs-border-radius: 0.9rem;
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  background-image: var(--gradient);
}

.badge.text-bg-primary {
  background-image: var(--gradient) !important;
}

.input-group .btn{position:static;display:inline-flex;align-items:center;white-space:nowrap;min-width:150px;}