/* =====================================================================
   Rizz Me Through The Phone — Y2K / early-2010s texting aesthetic
   Neon pink + purple, glossy chrome, hearts & flames.
   ===================================================================== */

:root {
  --rizz-pink:      #ff2db6;
  --rizz-pink-hot:  #ff52c8;
  --rizz-purple:    #a24bff;
  --rizz-purple-dp: #6a1fd0;
  --rizz-magenta:   #ff3d8b;
  --rizz-cyan:      #33e1ff;        
  --rizz-ink:       #2a0b3f;
  --rizz-ink-soft:  #6b4a82;
  --rizz-paper:     #fff4fb;
  --rizz-lav:       #f3e6ff;
  --rizz-bubble-in: #ffffff;
  --rizz-bubble-out:linear-gradient(160deg, #ff52c8, #a24bff);
  --rizz-line:      #f0c8ec;
  --rizz-glass:     rgba(255,255,255,.72);

  --grad-neon:  linear-gradient(120deg, #ff2db6 0%, #c13bff 52%, #7b2cff 100%);
  --grad-gloss: linear-gradient(180deg, rgba(255,255,255,.55) 0%, rgba(255,255,255,.05) 48%, rgba(0,0,0,.06) 100%);

  --shadow-card: 0 18px 50px -18px rgba(122, 22, 168, .55);
  --shadow-pop:  0 10px 30px -8px rgba(170, 30, 180, .55);

  --font-disp: "Fredoka", "Baloo 2", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

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

html, body { height: 100%; }

body {
  font-family: var(--font-body);
  color: var(--rizz-ink);
  background:
    radial-gradient(1200px 700px at 12% -10%, #ffd9f3 0%, rgba(255,217,243,0) 60%),
    radial-gradient(1100px 800px at 110% 10%, #e4ccff 0%, rgba(228,204,255,0) 55%),
    linear-gradient(160deg, #ffe6f6 0%, #f1e0ff 55%, #ffe9f8 100%);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* sparkly tiled hearts behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,45,182,.07) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 60%, rgba(162,75,255,.07) 0 2px, transparent 3px),
    radial-gradient(circle at 45% 85%, rgba(255,45,182,.05) 0 2px, transparent 3px);
  background-size: 140px 140px, 180px 180px, 220px 220px;
  z-index: 0;
}

button, input, textarea { font-family: inherit; }
a { color: var(--rizz-purple-dp); }

.hidden { display: none !important; }

/* ---------- glossy gradient button ---------- */
.rizz-btn {
  position: relative;
  border: none;
  border-radius: 999px;
  padding: 14px 26px;
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: .3px;
  color: #fff;
  cursor: pointer;
  background: var(--grad-neon);
  box-shadow: var(--shadow-pop), inset 0 1px 0 rgba(255,255,255,.6);
  overflow: hidden;
  transition: transform .12s ease, box-shadow .15s ease, filter .15s ease;
  text-shadow: 0 1px 2px rgba(120,10,120,.35);
}
.rizz-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-gloss);
  border-radius: inherit;
  pointer-events: none;
}
.rizz-btn:hover:not(:disabled) { transform: translateY(-2px); filter: saturate(1.15) brightness(1.04); }
.rizz-btn:active:not(:disabled) { transform: translateY(0) scale(.98); }
.rizz-btn:disabled { opacity: .55; cursor: not-allowed; }

.rizz-btn.ghost {
  background: #fff;
  color: var(--rizz-purple-dp);
  box-shadow: inset 0 0 0 2px var(--rizz-line);
  text-shadow: none;
}
.rizz-btn.ghost::after { display: none; }
.rizz-btn.sm { padding: 8px 16px; font-size: .9rem; }

/* ---------- inputs ---------- */
.rizz-field { margin-bottom: 14px; }
.rizz-field label {
  display: block;
  font-weight: 800;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .9px;
  color: var(--rizz-purple-dp);
  margin-bottom: 6px;
}
.rizz-input {
  width: 100%;
  border: 2px solid var(--rizz-line);
  background: #fff;
  border-radius: 14px;
  padding: 13px 15px;
  font-size: 1rem;
  color: var(--rizz-ink);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.rizz-input::placeholder { color: #cba9cf; }
.rizz-input:focus {
  border-color: var(--rizz-pink);
  box-shadow: 0 0 0 4px rgba(255,45,182,.16);
}
.rizz-input.mono { font-family: var(--font-mono); font-size: .85rem; }

/* =====================================================================
   AUTH SCREEN
   ===================================================================== */
#authScreen {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--rizz-glass);
  backdrop-filter: blur(14px);
  border: 1px solid #ffffffcc;
  border-radius: 28px;
  padding: 30px 30px 34px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.auth-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 7px;
  background: var(--grad-neon);
}

.brand {
  text-align: center;
  margin-bottom: 6px;
}
.brand .logo-emoji { font-size: 2.6rem; line-height: 1; filter: drop-shadow(0 4px 8px rgba(255,45,182,.4)); }
.brand h1 {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 1.74rem;
  line-height: 1.04;
  margin-top: 8px;
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -.5px;
}
.brand .tagline {
  margin-top: 6px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--rizz-ink-soft);
  letter-spacing: .3px;
}

.auth-tabs {
  display: flex;
  gap: 6px;
  background: #ffffff8a;
  border-radius: 999px;
  padding: 5px;
  margin: 22px 0 18px;
  box-shadow: inset 0 0 0 2px var(--rizz-line);
}
.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  border-radius: 999px;
  padding: 9px;
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: .95rem;
  color: var(--rizz-ink-soft);
  cursor: pointer;
  transition: .15s;
}
.auth-tab.active {
  background: var(--grad-neon);
  color: #fff;
  box-shadow: var(--shadow-pop);
}

.auth-msg {
  margin-top: 12px;
  font-size: .85rem;
  font-weight: 700;
  text-align: center;
  min-height: 1.1em;
}
.auth-msg.err { color: #e01f7a; }
.auth-msg.ok  { color: #1aa05a; }

.auth-foot {
  margin-top: 16px;
  text-align: center;
  font-size: .76rem;
  color: var(--rizz-ink-soft);
  line-height: 1.5;
}
.auth-foot a { font-weight: 800; text-decoration: none; }

.floaty {
  position: fixed;
  font-size: 1.8rem;
  opacity: .5;
  z-index: 0;
  animation: floatUp linear infinite;
  pointer-events: none;
  filter: drop-shadow(0 4px 6px rgba(255,45,182,.3));
}
@keyframes floatUp {
  0%   { transform: translateY(20px) rotate(0deg);   opacity: 0; }
  15%  { opacity: .55; }
  100% { transform: translateY(-110vh) rotate(28deg); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .floaty { display: none; } }

/* =====================================================================
   APP SHELL  (WhatsApp-Web-style two pane)
   ===================================================================== */
#appScreen { position: relative; z-index: 1; height: 100dvh; display: flex; flex-direction: column; }

.app-topbar {
  height: 64px;
  flex-shrink: 0;
  background: var(--grad-neon);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  color: #fff;
  box-shadow: 0 6px 18px -6px rgba(120,20,150,.6);
  position: relative;
}
.app-topbar::after {
  content: ""; position: absolute; inset: 0; background: var(--grad-gloss); pointer-events: none;
}
.app-topbar .tb-logo { font-size: 1.5rem; filter: drop-shadow(0 2px 3px rgba(0,0,0,.25)); z-index: 1; }
.app-topbar .tb-title {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -.3px;
  text-shadow: 0 1px 3px rgba(120,10,120,.4);
  z-index: 1;
  white-space: nowrap;
}
@media (max-width: 560px) { .app-topbar .tb-title { display: none; } }

/* demo banner offset so it never covers the topbar */
body.demo #appScreen { height: calc(100dvh - 26px); margin-top: 26px; }
.app-topbar .tb-spacer { flex: 1; }
.app-topbar .tb-me {
  display: flex; align-items: center; gap: 9px; z-index: 1;
  background: rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 5px 6px 5px 12px;
}
.app-topbar .tb-me .who { font-weight: 800; font-size: .9rem; }
.app-topbar .tb-me .uid { font-size: .72rem; opacity: .85; font-family: var(--font-mono); }
.icon-btn {
  width: 38px; height: 38px;
  border: none; border-radius: 50%;
  background: rgba(255,255,255,.22);
  color: #fff; cursor: pointer; font-size: 1.05rem;
  display: grid; place-items: center;
  transition: .15s; z-index: 1;
}
.icon-btn:hover { background: rgba(255,255,255,.42); transform: translateY(-1px); }

.app-body { flex: 1; display: flex; min-height: 0; }

/* ---- left: rizzipients ---- */
.sidebar {
  width: 340px;
  flex-shrink: 0;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  border-right: 1px solid var(--rizz-line);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.sidebar-head {
  padding: 16px 16px 10px;
}
.sidebar-head .sh-title {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--rizz-purple-dp);
  display: flex; align-items: center; gap: 7px;
}
.sidebar-head .sh-sub { font-size: .72rem; color: var(--rizz-ink-soft); font-weight: 700; margin-top: 2px; }

.sidebar-actions { display: flex; gap: 8px; padding: 4px 16px 12px; }
.sidebar-actions .rizz-input { padding: 10px 13px; font-size: .9rem; }

.rizz-list { flex: 1; overflow-y: auto; padding: 4px 8px 16px; }
.rizz-list::-webkit-scrollbar { width: 9px; }
.rizz-list::-webkit-scrollbar-thumb { background: #e9b9e6; border-radius: 9px; border: 2px solid transparent; background-clip: content-box; }

.contact {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px;
  border-radius: 16px;
  cursor: pointer;
  transition: background .12s, transform .12s;
}
.contact:hover { background: #ffe6f7; }
.contact.active { background: var(--grad-neon); box-shadow: var(--shadow-pop); }
.contact.active .c-name, .contact.active .c-last, .contact.active .c-meta { color: #fff; }
.contact.active .c-last { opacity: .92; }

.c-avatar {
  width: 48px; height: 48px; flex-shrink: 0;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 1.4rem;
  background: linear-gradient(160deg, #ffd1ee, #e4c9ff);
  box-shadow: inset 0 0 0 2px #fff, 0 4px 10px -4px rgba(160,40,170,.5);
}
.contact.active .c-avatar { box-shadow: inset 0 0 0 2px rgba(255,255,255,.7); }
.c-body { flex: 1; min-width: 0; }
.c-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.c-name { font-weight: 800; font-size: .98rem; color: var(--rizz-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.c-meta { font-size: .68rem; color: var(--rizz-ink-soft); font-weight: 700; flex-shrink: 0; }
.c-last { font-size: .82rem; color: var(--rizz-ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }

.list-empty { padding: 30px 20px; text-align: center; color: var(--rizz-ink-soft); }
.list-empty .big { font-size: 2.4rem; }
.list-empty p { font-size: .85rem; margin-top: 8px; font-weight: 700; }

/* ---- right: chat ---- */
.chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255,45,182,.05) 0 6px, transparent 7px),
    radial-gradient(circle at 60% 70%, rgba(162,75,255,.05) 0 6px, transparent 7px),
    linear-gradient(180deg, #fff6fc, #f6ecff);
  background-size: 90px 90px, 120px 120px, 100% 100%;
}

.chat-head {
  height: 64px; flex-shrink: 0;
  display: flex; align-items: center; gap: 12px;
  padding: 0 18px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rizz-line);
}
.chat-head .c-avatar { width: 42px; height: 42px; font-size: 1.2rem; }
.chat-head .ch-name { font-family: var(--font-disp); font-weight: 700; font-size: 1.1rem; color: var(--rizz-ink); }
.chat-head .ch-sub { font-size: .72rem; color: var(--rizz-ink-soft); font-weight: 700; }
.chat-head .ch-sub .dot { color: #1aa05a; }

.thread { flex: 1; overflow-y: auto; padding: 22px 8% 14px; display: flex; flex-direction: column; gap: 10px; }
.thread::-webkit-scrollbar { width: 10px; }
.thread::-webkit-scrollbar-thumb { background: #e9b9e6; border-radius: 9px; border: 2px solid transparent; background-clip: content-box; }

.day-sep { align-self: center; background: #ffffffcc; color: var(--rizz-ink-soft); font-size: .72rem; font-weight: 800; padding: 5px 14px; border-radius: 999px; box-shadow: 0 2px 8px -3px rgba(160,40,170,.4); margin: 6px 0; }

.bubble-row { display: flex; flex-direction: column; max-width: 74%; }
.bubble-row.in  { align-self: flex-start; align-items: flex-start; }
.bubble-row.out { align-self: flex-end; align-items: flex-end; }

.bubble {
  position: relative;
  padding: 10px 14px 8px;
  border-radius: 20px;
  font-size: .98rem;
  line-height: 1.4;
  word-wrap: break-word;
  overflow-wrap: anywhere;
  box-shadow: 0 6px 16px -10px rgba(120,30,140,.6);
  animation: bubbleIn .2s cubic-bezier(.2,.9,.3,1.3);
}
@keyframes bubbleIn { from { transform: scale(.96) translateY(5px); } to { transform: none; } }
.bubble-row.in  .bubble { background: var(--rizz-bubble-in); color: var(--rizz-ink); border-bottom-left-radius: 7px; border: 1px solid #f4d6ee; }
.bubble-row.out .bubble { background: var(--rizz-bubble-out); color: #fff; border-bottom-right-radius: 7px; }
.bubble.locked { font-style: italic; opacity: .85; }

.bubble .meta {
  display: flex; align-items: center; gap: 5px;
  margin-top: 4px;
  font-size: .66rem;
  font-weight: 700;
  opacity: .8;
}
.bubble-row.in .bubble .meta { color: var(--rizz-ink-soft); }
.bubble-row.out .bubble .meta { color: rgba(255,255,255,.9); justify-content: flex-end; }

/* delivered-rizz indicator */
.rizz-receipt { cursor: pointer; font-weight: 800; display: inline-flex; align-items: center; gap: 3px; }
.rizz-receipt.certified { color: inherit; }
.rizz-receipt .ticks { letter-spacing: -2px; }

.bubble-actions {
  display: flex; gap: 4px; margin-top: 4px;
  opacity: 0; transition: opacity .12s;
}
.bubble-row:hover .bubble-actions { opacity: 1; }
.mini-act {
  border: none; background: #ffffffd0; color: var(--rizz-purple-dp);
  border-radius: 999px; padding: 3px 10px; font-size: .68rem; font-weight: 800;
  cursor: pointer; box-shadow: 0 2px 6px -3px rgba(160,40,170,.5);
  transition: .12s;
}
.mini-act:hover { background: #fff; transform: translateY(-1px); }
.mini-act.danger { color: #c0392b; }
.mini-act.danger:hover { background: #ffeaea; }

/* composer */
.composer {
  flex-shrink: 0;
  padding: 12px 16px 16px;
  display: flex; align-items: flex-end; gap: 10px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--rizz-line);
}
.composer .emoji-pick {
  display: flex; gap: 2px;
}
.composer .emoji-pick button {
  border: none; background: transparent; font-size: 1.25rem; cursor: pointer; line-height: 1;
  border-radius: 8px; padding: 6px 4px; transition: .12s;
}
.composer .emoji-pick button:hover { background: #ffe0f4; transform: scale(1.2); }
.composer textarea {
  flex: 1;
  border: 2px solid var(--rizz-line);
  border-radius: 22px;
  padding: 12px 16px;
  font-size: 1rem;
  resize: none;
  max-height: 120px;
  outline: none;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.composer textarea:focus { border-color: var(--rizz-pink); box-shadow: 0 0 0 4px rgba(255,45,182,.14); }
.send-btn {
  width: 52px; height: 52px; flex-shrink: 0;
  border-radius: 50%;
  border: none; cursor: pointer;
  background: var(--grad-neon);
  color: #fff; font-size: 1.3rem;
  box-shadow: var(--shadow-pop), inset 0 1px 0 rgba(255,255,255,.6);
  display: grid; place-items: center;
  transition: transform .12s, filter .15s;
}
.send-btn:hover:not(:disabled) { transform: translateY(-2px) scale(1.05); filter: brightness(1.05); }
.send-btn:disabled { opacity: .5; cursor: not-allowed; }

/* empty chat state */
.chat-empty { flex: 1; display: grid; place-items: center; text-align: center; padding: 40px; }
.chat-empty .ce-inner { max-width: 380px; }
.chat-empty .ce-emoji { font-size: 4rem; filter: drop-shadow(0 8px 14px rgba(255,45,182,.35)); }
.chat-empty h2 { font-family: var(--font-disp); font-weight: 700; font-size: 1.6rem; margin-top: 14px; color: var(--rizz-purple-dp); }
.chat-empty p { color: var(--rizz-ink-soft); font-weight: 700; margin-top: 8px; line-height: 1.5; }

/* =====================================================================
   MODALS
   ===================================================================== */
.modal-veil {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(60,10,80,.45);
  backdrop-filter: blur(4px);
  display: grid; place-items: center;
  padding: 20px;
  animation: veilIn .15s ease;
}
@keyframes veilIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%; max-width: 440px;
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  animation: pop .2s cubic-bezier(.2,.9,.3,1.3);
}
.modal-head {
  background: var(--grad-neon);
  color: #fff; padding: 18px 22px;
  position: relative;
}
.modal-head::after { content: ""; position: absolute; inset: 0; background: var(--grad-gloss); pointer-events: none; }
.modal-head h3 { font-family: var(--font-disp); font-weight: 700; font-size: 1.25rem; z-index: 1; position: relative; text-shadow: 0 1px 3px rgba(120,10,120,.4); }
.modal-head p { font-size: .8rem; opacity: .92; margin-top: 2px; z-index: 1; position: relative; }
.modal-body { padding: 22px; }
.modal-foot { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.modal-msg { font-size: .82rem; font-weight: 700; min-height: 1.1em; margin-bottom: 10px; }
.modal-msg.err { color: #e01f7a; }
.modal-msg.ok  { color: #1aa05a; }
.modal-close { position: absolute; top: 14px; right: 14px; z-index: 2; }

.kv { font-family: var(--font-mono); font-size: .78rem; background: var(--rizz-lav); border-radius: 10px; padding: 10px 12px; word-break: break-all; color: var(--rizz-ink); border: 1px solid var(--rizz-line); }
.section-label { font-weight: 800; font-size: .72rem; text-transform: uppercase; letter-spacing: .9px; color: var(--rizz-purple-dp); margin: 18px 0 8px; }
.divider { height: 1px; background: var(--rizz-line); margin: 20px 0; }

.share-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--rizz-line); font-size: .9rem; font-weight: 700; }
.share-row:last-child { border-bottom: none; }

/* toast */
#toastWrap { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 80; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--rizz-ink); color: #fff;
  font-weight: 800; font-size: .88rem;
  padding: 12px 20px; border-radius: 999px;
  box-shadow: var(--shadow-pop);
  display: flex; align-items: center; gap: 8px;
  animation: toastIn .25s cubic-bezier(.2,.9,.3,1.3);
}
.toast.good { background: linear-gradient(120deg,#1aa05a,#0f7a44); }
.toast.bad  { background: linear-gradient(120deg,#e01f7a,#b3105e); }
@keyframes toastIn { from { transform: translateY(16px); opacity: 0; } to { transform: none; opacity: 1; } }

/* demo banner */
#demoBanner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  background: repeating-linear-gradient(45deg,#2a0b3f,#2a0b3f 14px,#3a1255 14px,#3a1255 28px);
  color: #ffd6f3; text-align: center; font-size: .74rem; font-weight: 800;
  letter-spacing: .5px; padding: 5px; text-transform: uppercase;
}

@media (max-width: 720px) {
  .sidebar { width: 100%; position: absolute; inset: 64px 0 0 0; z-index: 5; }
  .sidebar.tucked { display: none; }
  .chat { width: 100%; }
}