:root {
  --primary: #075e54;
  --accent: #25d366;
  --accent-dark: #128c4d;

  --brand-red: #c62828;
  --brand-red-dark: #a01e1e;
  --brand-black: #1a1a1a;

  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --muted: #8a8a8a;
  --border: #e6e6e8;
  --subtle-bg: #f0f0f2;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 2px 8px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.05);

  --header-h: 56px;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body { min-height: 100dvh; }
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { display: block; max-width: 100%; }

/* ============================================================
   LOGIN SCREEN
   ============================================================ */
.login-wrap {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
  background: linear-gradient(180deg, #fafafa 0%, #f0f0f2 100%);
}

.login-box {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 36px 26px 22px;
  position: relative;
  overflow: hidden;
}
.login-box::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--brand-red) 0%, var(--brand-black) 100%);
}

.login-header { text-align: center; margin-bottom: 26px; }
.login-logo { width: 110px; height: auto; margin: 0 auto 14px; object-fit: contain; }
.login-header h2 {
  margin: 0 0 4px;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--brand-black);
}
.login-header .subtitle { margin: 0; font-size: 0.85rem; color: var(--muted); }

.login-form { display: flex; flex-direction: column; gap: 12px; }
.input-group { position: relative; display: flex; align-items: center; }
.input-icon {
  position: absolute;
  left: 14px;
  font-size: 1rem;
  opacity: 0.5;
  pointer-events: none;
  line-height: 1;
}
.input-group input {
  width: 100%;
  padding: 14px 14px 14px 44px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  background: #fafafa;
  transition: all .2s ease;
  color: var(--text);
}
.input-group input:focus {
  outline: none;
  border-color: var(--brand-red);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.10);
}
.input-group input::placeholder { color: #b0b0b0; font-size: 0.92rem; }

.error-msg {
  color: #d32f2f;
  font-size: 0.83rem;
  min-height: 1.2em;
  font-weight: 500;
  padding-left: 2px;
  margin-top: -4px;
}

.btn-primary {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--brand-red) 0%, var(--brand-red-dark) 100%);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(198, 40, 40, 0.25);
  transition: transform .15s ease, box-shadow .2s ease;
  min-height: 50px;
}
.btn-primary:active {
  transform: scale(0.98);
  box-shadow: 0 2px 6px rgba(198, 40, 40, 0.3);
}

.login-footer {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid #f0f0f0;
  text-align: center;
  font-size: 0.78rem;
  color: #9a9a9a;
}
.login-footer a { color: var(--brand-red); text-decoration: none; font-weight: 600; }

/* ============================================================
   APP SHELL
   ============================================================ */
.app { display: flex; flex-direction: column; min-height: 100dvh; }

/* HEADER */
.app-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 14px;
  padding-top: var(--safe-top);
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.brand-logo { height: 30px; width: auto; object-fit: contain; }
.brand-name {
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--brand-black);
  letter-spacing: -0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--subtle-bg);
  color: var(--brand-black);
  font-size: 1.1rem;
  transition: background .15s ease, color .15s ease;
}
.icon-btn:active { background: #e0e0e4; color: var(--brand-red); }

/* STICKY CONTROLS */
.controls-sticky {
  position: sticky;
  top: calc(var(--header-h) + var(--safe-top));
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 10px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

/* Language segmented */
.segmented {
  display: flex;
  background: var(--subtle-bg);
  border-radius: 12px;
  padding: 3px;
  gap: 3px;
}
.segmented button {
  flex: 1;
  padding: 10px 6px;
  border-radius: 9px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #666;
  transition: all .2s ease;
  min-height: 40px;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
}
.segmented button.active {
  background: #fff;
  color: var(--brand-red);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* ============================================================
   SEARCH BOX — PREMIUM FULL WIDTH
   ============================================================ */
.search-box {
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 2px solid #e0e0e4;
  border-radius: 14px;
  padding: 0 14px;
  min-height: 50px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: all .25s cubic-bezier(0.34, 1.2, 0.64, 1);
}
.search-box:hover {
  border-color: #d0d0d6;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}
.search-box:focus-within {
  border-color: var(--brand-red);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(198, 40, 40, 0.10), 0 4px 16px rgba(198, 40, 40, 0.08);
  transform: translateY(-1px);
}

.search-icon {
  font-size: 1.05rem;
  opacity: 0.65;
  pointer-events: none;
  margin-right: 10px;
  line-height: 1;
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 13px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  outline: none;
  min-width: 0;
}
.search-box input::placeholder {
  color: #9a9a9a;
  font-size: 0.92rem;
  font-weight: 400;
}

.clear-search {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
  transition: all .15s ease;
  box-shadow: 0 2px 6px rgba(198, 40, 40, 0.3);
}
.clear-search:hover {
  background: var(--brand-red-dark);
  transform: scale(1.08);
}
.clear-search:active {
  transform: scale(0.95);
}
.clear-search.hidden { display: none; }

/* Category chips — wrap so all fit on screen */
.chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.chips-wrap button {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--subtle-bg);
  color: #555;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all .2s ease;
  min-height: 36px;
  border: 1px solid transparent;
  cursor: pointer;
  touch-action: manipulation;
}
.chips-wrap button.active {
  background: var(--brand-black);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border-color: var(--brand-black);
}

/* CONTAINER */
.container {
  flex: 1;
  max-width: 820px;
  width: 100%;
  margin: 0 auto;
  padding: 14px 12px calc(28px + var(--safe-bottom));
}

/* DETAILS FORM */
.details-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  animation: slideDown .25s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.details-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.details-header h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--brand-black);
  font-weight: 700;
}
.close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--subtle-bg);
  color: #666;
  font-size: 0.9rem;
  transition: all .15s ease;
}
.close-btn:active { background: #e0e0e4; color: var(--brand-red); }
.details-form .hint {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.82rem;
}
.details-form input {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 10px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  background: #fafafa;
  transition: all .2s ease;
  color: var(--text);
}
.details-form input:focus {
  outline: none;
  border-color: var(--brand-red);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.08);
}

/* SECTION DIVIDERS */
.section-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #9a9a9a;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.section-divider::before,
.section-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #e0e0e4;
}

/* TODAY'S MESSAGES BOX */
.today-box {
  background: linear-gradient(135deg, #fff9e6 0%, #fff4cc 100%);
  border: 2px solid #ffb300;
  border-radius: 20px;
  padding: 16px 14px 6px;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(255, 179, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}
.today-box::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, #ffb300 0%, #ff6f00 50%, #ffb300 100%);
}
.today-box-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: #b26a00;
  font-size: 1rem;
  letter-spacing: -0.2px;
  margin-bottom: 4px;
  padding-top: 4px;
}
.today-box-header .today-icon { font-size: 1.15rem; }
.today-box-sub {
  font-size: 0.75rem;
  color: #a87500;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}
.today-box .card {
  background: #ffffff;
  border: 1px solid #ffd966;
  box-shadow: 0 2px 8px rgba(255, 179, 0, 0.10);
  margin-bottom: 12px;
}
.today-box .card .date-badge { background: #ffb300; }

/* CARDS */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: box-shadow .2s ease;
}
.card.today {
  border: 1.5px solid var(--accent);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.15), 0 2px 8px rgba(0, 0, 0, 0.06);
}
.card .date-badge {
  display: inline-block;
  background: var(--brand-black);
  color: #fff;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 10px;
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.card .date-badge.today-badge { background: var(--accent); }
.card .title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--brand-black);
  margin-bottom: 10px;
  line-height: 1.3;
}
.card .message-body {
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 0.94rem;
  color: #2a2a2a;
  margin-bottom: 14px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.card .signature {
  margin-top: 12px;
  padding: 12px 14px;
  background: #fafafa;
  border-radius: 10px;
  border-left: 3px solid var(--brand-red);
  font-size: 0.85rem;
  color: #444;
  line-height: 1.75;
}
.card .offer-box {
  background: #fff9e6;
  border-left: 4px solid #ffb300;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 14px;
  display: none;
}
.card .offer-box.visible { display: block; }
.card .offer-box .offer-label {
  font-weight: 700;
  color: #b26a00;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.card .offer-box .offer-text {
  margin-top: 4px;
  font-size: 0.9rem;
  color: #5a3a00;
}

/* OFFER INPUT */
.offer-input-wrap { margin-bottom: 12px; display: none; }
.offer-input-wrap.visible { display: block; animation: slideDown .2s ease; }
.offer-input-wrap label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--brand-red);
  margin-bottom: 6px;
}
.offer-input-wrap input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  background: #fafafa;
  transition: all .2s ease;
  color: var(--text);
}
.offer-input-wrap input:focus {
  outline: none;
  border-color: var(--brand-red);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.08);
}

/* CARD ACTIONS */
.card .actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #f0f0f2;
}
.card .actions button {
  padding: 11px 8px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #444;
  background: var(--subtle-bg);
  transition: all .15s ease;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
}
.card .actions button:active {
  transform: scale(0.97);
  background: #e0e0e4;
}
.card .actions button.copy {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.25);
  font-weight: 700;
}
.card .actions button.copy:active {
  box-shadow: 0 1px 4px rgba(37, 211, 102, 0.3);
}

/* EDIT */
.edit-wrap { margin-bottom: 12px; }
.edit-hint {
  background: #fff9e6;
  border-left: 3px solid #ffb300;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  color: #7a5500;
  margin-bottom: 8px;
  line-height: 1.4;
}
.edit-area {
  width: 100%;
  min-height: 160px;
  padding: 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.94rem;
  line-height: 1.55;
  background: #fafafa;
  resize: vertical;
  color: var(--text);
}
.edit-area:focus {
  outline: none;
  border-color: var(--brand-red);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.08);
}

/* TOAST */
.toast {
  position: fixed;
  bottom: calc(24px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--brand-black);
  color: #fff;
  padding: 12px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: all .3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  max-width: 90vw;
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   TABLET & DESKTOP
   ============================================================ */
@media (min-width: 640px) {
  :root { --header-h: 62px; }
  .app-header { padding: 0 20px; }
  .brand-logo { height: 34px; }
  .brand-name { font-size: 1.05rem; }
  .controls-sticky { padding: 12px 20px 14px; }
  .container { padding: 18px 20px calc(32px + var(--safe-bottom)); }
  .card .actions {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  }
  .card .actions button.copy { grid-column: auto; }
}

@media (min-width: 900px) {
  .card { padding: 20px; }
  .card .title { font-size: 1.12rem; }
  .card .message-body { font-size: 0.96rem; }
}
/* ============================================================
   WELCOME BANNER (First-Login)
   ============================================================ */
.welcome-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: linear-gradient(135deg, #fff9e6 0%, #fff4cc 100%);
  border: 1.5px solid #ffb300;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 14px;
  animation: slideDown .3s ease;
}
.welcome-banner.hidden { display: none; }
.welcome-banner .welcome-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
}
.welcome-banner strong {
  display: block;
  font-size: 1rem;
  color: #b26a00;
  margin-bottom: 3px;
}
.welcome-banner .welcome-sub {
  font-size: 0.83rem;
  color: #7a5500;
  line-height: 1.4;
}