* { box-sizing: border-box; }

/* The hidden attribute must always win, even on elements that also set
   their own display value (flex, etc.) elsewhere in this file - otherwise
   sign-in/app screens and the Members/Events/Chat tabs can render on top
   of each other instead of properly switching. */
[hidden] { display: none !important; }

:root {
  --wa-header: #075E54;
  --wa-header-light: #128C7E;
  --wa-bubble-in: #ffffff;
  --wa-bubble-out: #DCF8C6;
  --wa-thread-bg: #E5DDD5;
  --wa-composer-bg: #F0F0F0;
  --accent: #128C7E;
  --text-primary: #111111;
  --text-secondary: #5b6b73;
  --text-muted: #8c8c8c;
  --border: #e2e2e2;
  --surface: #ffffff;
  --page-bg: #f5f5f4;
  --danger: #c0392b;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow-x: hidden;
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--text-primary);
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* Sign-in screen */
#signed-out {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 20px;
  box-sizing: border-box;
}
.signin-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 340px;
  width: 100%;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.signin-card h1 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
}
.signin-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 20px;
}
.btn-primary {
  background: var(--wa-header);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  width: 100%;
}
.btn-primary:hover { background: var(--wa-header-light); }
.error-text {
  color: var(--danger);
  font-size: 12px;
  margin-top: 12px;
  min-height: 14px;
}

.signin-card > div > p {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 14px;
  text-align: left;
}
.phone-field {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.phone-field select {
  flex: 0 0 96px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 4px;
  font-size: 13px;
  background: var(--page-bg);
}
.phone-field input,
#sms-code,
#display-name {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  width: 100%;
}
.hint-text {
  font-size: 11.5px;
  color: var(--text-muted);
  text-align: left;
  margin: 0 0 14px;
}
.code-input {
  margin-bottom: 12px;
  letter-spacing: 2px;
}
#display-name { margin-bottom: 12px; }
.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  margin-top: 10px;
  padding: 4px;
}
#code-sent-to { font-weight: 600; color: var(--text-primary); }
#recaptcha-container { margin-top: 4px; }

/* App shell */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.app-header {
  background: var(--wa-header);
  color: #fff;
  padding: 14px 16px;
  font-size: 17px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.icon-btn {
  background: none;
  border: none;
  color: inherit;
  padding: 4px;
  display: flex;
  align-items: center;
}

.view {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Members */
.search-bar { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.search-bar input {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 14px;
  background: var(--page-bg);
}
.list.padded { padding: 12px; gap: 10px; display: flex; flex-direction: column; }

.events-header { padding: 12px 12px 0; flex-shrink: 0; }
.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
}
.new-event-form {
  margin: 10px 12px 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}
.new-event-form input[type="text"],
.new-event-form input[type="datetime-local"],
.new-event-form textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13.5px;
  font-family: inherit;
  width: 100%;
}
.event-attach-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.attach-filename { font-size: 12px; color: var(--text-secondary); }
.new-event-actions { display: flex; justify-content: flex-end; gap: 10px; align-items: center; margin-top: 4px; }
.event-attachment { padding: 0 14px; flex-shrink: 0; }
.event-attachment img { max-width: 100%; border-radius: 8px; display: block; margin-top: 8px; }
.event-attachment a.attachment-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--accent);
  text-decoration: underline;
}

.member-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
}
.member-name { font-size: 14px; font-weight: 500; }
.member-role { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.empty-state { padding: 30px 16px; text-align: center; color: var(--text-muted); font-size: 13px; }

/* Events */
.event-card {
  display: flex;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: var(--surface);
  cursor: pointer;
}
.event-date { width: 46px; text-align: center; flex-shrink: 0; }
.event-date .month { font-size: 11px; font-weight: 600; color: var(--danger); text-transform: uppercase; }
.event-date .day { font-size: 19px; font-weight: 600; }
.event-title { font-size: 14px; font-weight: 500; }
.event-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.rsvp-pill {
  display: inline-block;
  margin-top: 6px;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 6px;
  background: #E6F1FB;
  color: #0C447C;
}

.event-detail-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.event-detail-title { font-size: 15px; font-weight: 600; }
.event-detail-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.rsvp-row { display: flex; gap: 8px; padding: 10px 14px; flex-shrink: 0; border-bottom: 1px solid var(--border); }
.rsvp-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
}
.rsvp-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.discussion-label { padding: 10px 14px 4px; font-size: 12px; font-weight: 600; color: var(--text-secondary); flex-shrink: 0; }

/* Chat thread */
.chat-view { padding: 0; }
.chat-thread {
  flex: 1;
  overflow-y: auto;
  background: var(--wa-thread-bg);
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
}

.msg {
  max-width: 78%;
  border-radius: 8px;
  padding: 6px 8px;
  box-shadow: 0 1px 1px rgba(0,0,0,0.08);
  align-self: flex-start;
  background: var(--wa-bubble-in);
}
.msg.mine { align-self: flex-end; background: var(--wa-bubble-out); }
.msg-sender { font-size: 12px; font-weight: 600; margin-bottom: 2px; }
.msg.mine .msg-sender { display: none; }
.msg-text { font-size: 13.5px; color: #111; white-space: pre-wrap; word-break: break-word; }
.msg-media { display: none; }
.msg-media.has-media { display: block; margin-bottom: 4px; }
.msg-media img, .msg-media video { max-width: 220px; max-height: 220px; border-radius: 6px; display: block; }
.msg-tag {
  display: none;
  align-items: center;
  gap: 4px;
  background: #F0EDE4;
  color: var(--text-secondary);
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 6px;
  margin-top: 5px;
  width: fit-content;
  cursor: pointer;
}
.msg-tag.visible { display: inline-flex; }
.msg-time { font-size: 10px; color: var(--text-muted); text-align: right; margin-top: 2px; }

.composer {
  background: var(--wa-composer-bg);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.composer input[type="text"],
.composer textarea {
  flex: 1;
  background: #fff;
  border: none;
  border-radius: 18px;
  padding: 9px 14px;
  font-size: 13.5px;
  font-family: inherit;
  resize: none;
  line-height: 1.4;
  max-height: 120px;
  overflow-y: auto;
}
.composer .attach-btn, .composer .send-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  padding: 4px;
}
.composer .send-btn { color: var(--wa-header); }
.upload-progress {
  font-size: 11px;
  color: var(--text-secondary);
  padding: 4px 10px;
  flex-shrink: 0;
}

/* Tab bar */
.tab-bar {
  display: flex;
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.tab-btn {
  flex: 1;
  border: none;
  background: none;
  padding: 8px 0 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--text-muted);
  font-size: 10px;
}
.tab-btn.active { color: var(--accent); }

@media (min-width: 481px) {
  body { background: #dcdcda; }
  #app { min-height: 100vh; box-shadow: 0 0 0 1px var(--border); }
}