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

:root {
  --wa-green: #00a884;
  --wa-green-dark: #008069;
  --wa-teal: #005c4b;
  --rail: #f0f2f5;
  --side: #ffffff;
  --head: #f0f2f5;
  --chat-bg: #efeae2;
  --bubble-in: #ffffff;
  --bubble-out: #d9fdd3;
  --text: #111b21;
  --muted: #667781;
  --border: #e9edef;
  --danger: #ea4335;
  --shadow: 0 1px 3px rgba(11, 20, 26, 0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: "Segoe UI", "Manrope", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #d1d7db;
  overflow: hidden;
}

button, input { font: inherit; }
.btn {
  border: 0;
  border-radius: 24px;
  padding: 0.65rem 1.2rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-wa { background: var(--wa-green); color: #fff; }
.btn-wa:hover { background: var(--wa-green-dark); }
.btn-ghost {
  background: transparent;
  color: var(--wa-green-dark);
  border: 1px solid var(--border);
  border-radius: 24px;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.auth-error { color: var(--danger); font-size: 0.85rem; margin: 0.5rem 0 0; }

/* —— Login (WhatsApp intro style) —— */
.login-screen {
  display: none;
  height: 100dvh;
  width: 100%;
}
body.is-locked .login-screen { display: grid; grid-template-columns: 1.1fr 1fr; }
body.is-locked #appPanel { display: none !important; }

.login-hero {
  background: linear-gradient(160deg, #00a884 0%, #008069 55%, #005c4b 100%);
  color: #fff;
  display: grid;
  place-items: center;
  padding: 2rem;
}
.login-hero__inner { max-width: 28rem; }
.login-hero i.fa-whatsapp { font-size: 4rem; margin-bottom: 0.75rem; }
.login-hero h1 { margin: 0 0 0.35rem; font-size: 2rem; font-weight: 700; }
.login-hero p { margin: 0 0 1.5rem; opacity: 0.92; }
.login-hero ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.65rem; }
.login-hero li { display: flex; align-items: center; gap: 0.55rem; font-size: 0.95rem; }
.login-hero li i { color: #d1f4e0; }

.login-panel {
  background: #fff;
  display: grid;
  place-items: center;
  padding: 2rem;
}
.login-form {
  width: min(100%, 360px);
  display: grid;
  gap: 0.75rem;
}
.login-form h2 { margin: 0; font-size: 1.45rem; }
.login-sub { margin: 0 0 0.35rem; color: var(--muted); font-size: 0.9rem; }
.login-form label { display: grid; gap: 0.3rem; font-size: 0.82rem; font-weight: 600; color: var(--muted); }
.login-form label em { font-weight: 500; font-style: normal; opacity: 0.8; }
.login-form input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
  color: var(--text);
  background: #fff;
}
.login-form input:focus {
  outline: 2px solid rgba(0, 168, 132, 0.35);
  border-color: var(--wa-green);
}
.login-hint { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.78rem; text-align: center; }

/* —— App shell —— */
.wa {
  height: 100dvh;
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 56px 1fr;
  background: #fff;
  box-shadow: var(--shadow);
}

.wa-rail {
  background: var(--rail);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.55rem 0;
  gap: 0.25rem;
}
.rail-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #54656f;
  cursor: pointer;
  font-size: 1.15rem;
}
.rail-btn:hover, .rail-btn.is-active { background: #e9edef; color: var(--wa-green-dark); }
.rail-spacer { flex: 1; }

.wa-view {
  display: none;
  min-width: 0;
  min-height: 0;
  height: 100dvh;
}
.wa-view.is-active { display: grid; }
.wa-view[data-view-panel="chats"].is-active {
  grid-template-columns: minmax(280px, 380px) 1fr;
}

.wa-sidebar {
  background: var(--side);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.wa-side-head {
  background: var(--head);
  padding: 0.55rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex: 0 0 auto;
}
.wa-profile { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.wa-profile__meta { min-width: 0; }
.wa-profile__meta strong { display: block; font-size: 0.92rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wa-profile__meta span { font-size: 0.72rem; color: var(--muted); }
.wa-side-actions { display: flex; gap: 0.15rem; }

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(145deg, #00a884, #025c4c);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex: 0 0 auto;
  text-transform: uppercase;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #54656f;
  cursor: pointer;
}
.icon-btn:hover { background: rgba(11, 20, 26, 0.06); }

.wa-search {
  margin: 0.45rem 0.65rem;
  background: var(--head);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 0.75rem;
  flex: 0 0 auto;
}
.wa-search i { color: var(--muted); font-size: 0.85rem; }
.wa-search input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 0.55rem 0;
  outline: none;
  font-size: 0.9rem;
}

.wa-filters {
  display: flex;
  gap: 0.35rem;
  padding: 0 0.65rem 0.45rem;
  flex: 0 0 auto;
}
.chip {
  border: 0;
  background: var(--head);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}
.chip.is-active { background: #e7fce3; color: var(--wa-teal); }

.wa-newchat {
  display: flex;
  gap: 0.35rem;
  padding: 0 0.65rem 0.5rem;
}
.wa-newchat input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
}

.wa-chatlist {
  flex: 1;
  overflow: auto;
  border-top: 1px solid var(--border);
}
.chat-row {
  width: 100%;
  border: 0;
  background: transparent;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  text-align: left;
  cursor: pointer;
  border-bottom: 1px solid #f0f2f5;
}
.chat-row:hover { background: #f5f6f6; }
.chat-row.is-active { background: #f0f2f5; }
.chat-row__body { min-width: 0; }
.chat-row__top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.15rem;
}
.chat-row__name {
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-row__time { color: var(--muted); font-size: 0.72rem; flex: 0 0 auto; }
.chat-row__preview {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
}
.chat-row__preview span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.unread-pill {
  background: var(--wa-green);
  color: #fff;
  border-radius: 999px;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  display: inline-grid;
  place-items: center;
}
.chat-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.wa-main {
  background: var(--chat-bg);
  background-image:
    linear-gradient(rgba(239, 234, 226, 0.92), rgba(239, 234, 226, 0.92)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23d5cec4' fill-opacity='0.35'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
.wa-empty {
  margin: auto;
  text-align: center;
  color: var(--muted);
  padding: 2rem;
  max-width: 28rem;
}
.wa-empty i { font-size: 4rem; color: #c5c9cc; margin-bottom: 0.75rem; }
.wa-empty h2 { margin: 0 0 0.4rem; color: #41525d; font-weight: 300; font-size: 1.7rem; }
.wa-empty p { margin: 0; line-height: 1.5; }

.wa-thread {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}
.wa-thread-head {
  background: var(--head);
  padding: 0.45rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.wa-thread-who { display: flex; align-items: center; gap: 0.65rem; min-width: 0; }
.wa-thread-who strong { display: block; font-size: 0.95rem; }
.wa-thread-who span { font-size: 0.75rem; color: var(--muted); }

.wa-messages {
  flex: 1;
  overflow: auto;
  padding: 1rem 3.5%;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.encrypt-note {
  align-self: center;
  background: #ffeecd;
  color: #54656f;
  font-size: 0.75rem;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  margin: 0.35rem 0 0.75rem;
  max-width: 28rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.bubble {
  max-width: min(65%, 420px);
  padding: 0.4rem 0.55rem 0.25rem;
  border-radius: 8px;
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
  position: relative;
  align-self: flex-start;
  background: var(--bubble-in);
}
.bubble.from-me {
  align-self: flex-end;
  background: var(--bubble-out);
}
.bubble__text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.925rem;
  line-height: 1.4;
  padding-right: 0.25rem;
}
.bubble__meta {
  display: flex;
  justify-content: flex-end;
  gap: 0.25rem;
  font-size: 0.68rem;
  color: #667781;
  margin-top: 0.1rem;
}
.bubble.from-me .bubble__meta i { color: #53bdeb; }

.wa-composer {
  background: #f0f2f5;
  padding: 0.45rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex: 0 0 auto;
}
.wa-composer input {
  flex: 1;
  border: 0;
  border-radius: 8px;
  background: #fff;
  padding: 0.7rem 0.9rem;
  outline: none;
}
.send-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: var(--wa-green);
  color: #fff;
  cursor: pointer;
}
.send-btn:hover { background: var(--wa-green-dark); }

/* Connect */
.connect-page {
  height: 100%;
  overflow: auto;
  background: #f0f2f5;
  padding: 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  align-content: start;
}
.connect-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.connect-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.connect-card h2 i.fa-whatsapp { color: var(--wa-green); }
.connect-card > p { margin: 0 0 1rem; color: var(--muted); font-size: 0.88rem; }
.connect-status {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}
.connect-status strong { display: block; font-size: 0.92rem; }
.connect-status span:last-child { display: block; font-size: 0.75rem; color: var(--muted); }
.dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: #94a3b8;
  flex: 0 0 auto;
}
.dot[data-state="online"] { background: var(--wa-green); box-shadow: 0 0 0 3px rgba(0, 168, 132, 0.2); }
.dot[data-state="qr"], .dot[data-state="connecting"] { background: #f59e0b; }

.qr-box {
  min-height: 240px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #fafafa;
  margin-bottom: 0.85rem;
  padding: 0.75rem;
}
.qr-box img { width: min(280px, 100%); border-radius: 8px; }
.qr-ph { color: var(--muted); font-size: 0.88rem; }
.connect-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.admin-row { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.75rem; }
.admin-row select {
  flex: 1;
  min-width: 10rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
}
.account-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.account-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.85rem;
}
.account-list .tag { color: var(--wa-green-dark); font-size: 0.68rem; font-weight: 800; text-transform: uppercase; }

.prompt-dialog {
  border: 0;
  border-radius: 12px;
  padding: 0;
  width: min(92vw, 360px);
  box-shadow: 0 12px 40px rgba(11, 20, 26, 0.25);
}
.prompt-dialog::backdrop { background: rgba(11, 20, 26, 0.45); }
.prompt-dialog form { padding: 1rem; display: grid; gap: 0.55rem; }
.prompt-dialog h3 { margin: 0; }
.prompt-dialog p { margin: 0; color: var(--muted); font-size: 0.85rem; }
.prompt-dialog input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
}
.prompt-actions { display: flex; justify-content: flex-end; gap: 0.35rem; }

@media (max-width: 900px) {
  body.is-locked .login-screen { grid-template-columns: 1fr; }
  .login-hero { display: none; }
  .wa { grid-template-columns: 48px 1fr; }
  .wa-view[data-view-panel="chats"].is-active { grid-template-columns: 1fr; }
  .wa-sidebar { max-height: 42vh; border-right: 0; border-bottom: 1px solid var(--border); }
}