/* ------------------------------------------------------------------
   USSD: shared phone mock, the service page (ussd.html) and the
   menu simulator tool (ussd-simulator.html)
   ------------------------------------------------------------------ */

/* ===== Phone mock (shared) ===== */
.ussd-phone {
  width: 100%;
  max-width: 320px;
  margin-inline: auto;
  background: #0f0c0b;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  padding: 10px;
}
.ussd-screen {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 540px;
  border-radius: 24px;
  background: #1b1614;
  background-image: radial-gradient(circle at 70% 15%, rgba(107, 107, 245, 0.18), transparent 45%),
                    radial-gradient(circle at 20% 90%, rgba(245, 115, 27, 0.16), transparent 40%);
}
.ussd-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1rem 0.4rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: #b9b0a5;
  letter-spacing: 0.02em;
}
.ussd-status-right { display: inline-flex; align-items: center; gap: 0.35rem; }
.ussd-status svg { width: 14px; height: 14px; display: block; }

.ussd-dialler {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  padding: 1rem;
  transition: opacity 0.25s ease, filter 0.25s ease;
}
.ussd-screen.is-dialog .ussd-dialler { opacity: 0.22; filter: blur(1px); pointer-events: none; }
.ussd-dial-code {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--cream);
  letter-spacing: 0.04em;
  text-align: center;
  word-break: break-all;
  min-height: 2.4rem;
}
.ussd-dial-hint { font-size: 0.78rem; color: var(--muted-dark); text-align: center; }
.ussd-call-btn {
  width: 66px; height: 66px;
  border-radius: 50%;
  border: none;
  background: #2ecc71;
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(46, 204, 113, 0.35);
  transition: transform 0.15s ease, background 0.2s ease;
}
.ussd-call-btn:hover { background: #35d97b; transform: translateY(-2px); }
.ussd-call-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.ussd-call-btn svg { width: 28px; height: 28px; }

.ussd-dialog {
  position: absolute;
  left: 12px; right: 12px; bottom: 18px;
  background: var(--cream);
  color: #241d18;
  border-radius: 16px;
  padding: 1rem 1rem 0.6rem;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
  display: none;
}
.ussd-screen.is-dialog .ussd-dialog { display: block; }
.ussd-dialog-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.9rem;
  line-height: 1.45;
  margin-bottom: 0.7rem;
  max-height: 300px;
  overflow: auto;
}
.ussd-dialog-text .ussd-opt {
  display: block;
  cursor: pointer;
  border-radius: 5px;
  margin-inline: -0.25rem;
  padding-inline: 0.25rem;
}
.ussd-dialog-text .ussd-opt:hover { background: rgba(245, 115, 27, 0.14); }
.ussd-dialog-text .ussd-invalid { color: #b3261e; font-weight: 600; }
.ussd-dialog-input {
  width: 100%;
  border: none;
  border-bottom: 2px solid #c9c0b2;
  background: transparent;
  font: inherit;
  font-size: 0.95rem;
  color: #241d18;
  padding: 0.3rem 0;
  border-radius: 0;
}
.ussd-dialog-input:focus-visible { outline: none; border-bottom-color: var(--orange); }
.ussd-dialog-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}
.ussd-dialog-actions > div { display: flex; gap: 0.2rem; }
.ussd-dialog-actions button {
  background: none;
  border: none;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--orange);
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
}
.ussd-dialog-actions button:hover { background: rgba(245, 115, 27, 0.12); }
.ussd-session { font-size: 0.7rem; color: #8a8177; font-variant-numeric: tabular-nums; }
.ussd-session.is-low { color: #b3261e; font-weight: 600; }

/* Service-page layout lives in service.css; the phone mock above is shared. */

/* ===== Simulator tool (ussd-simulator.html) ===== */
.sim-hero { padding: clamp(3.5rem, 7vw, 5.5rem) 0 clamp(1.5rem, 3vw, 2.5rem); }
.sim-hero-inner { max-width: 780px; }
.sim-hero h1 { margin-bottom: 0.6rem; }
.sim-hero .lead { max-width: 62ch; }

.sim-tool { padding-top: clamp(1.5rem, 3vw, 2.5rem); }
.sim-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
@media (max-width: 960px) { .sim-grid { grid-template-columns: 1fr; } }

.sim-pane {
  background: rgba(244, 239, 230, 0.04);
  border: 1px solid rgba(244, 239, 230, 0.1);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3vw, 2rem);
}
.sim-settings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 560px) { .sim-settings { grid-template-columns: 1fr; } }
.sim-pane select {
  font: inherit;
  font-family: var(--font-body);
  color: var(--cream);
  background: rgba(22, 17, 15, 0.6);
  border: 1.5px solid rgba(244, 239, 230, 0.15);
  border-radius: 12px;
  padding: 0.8rem 2.6rem 0.8rem 1rem;
  min-height: 48px;
  width: 100%;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%23b9b0a5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M1 1l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  transition: border-color 0.2s, background 0.2s;
}
.sim-pane select:focus-visible {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(245, 115, 27, 0.25);
}
.sim-pane select option { background: var(--bg); color: var(--cream); }

.sim-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
  margin-bottom: 1.1rem;
}
.sim-check input { width: 18px; height: 18px; accent-color: var(--orange); cursor: pointer; }

.sim-editor-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}
.sim-editor-tools { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.sim-link-btn {
  background: none;
  border: none;
  color: var(--orange);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
}
.sim-link-btn:hover { color: var(--orange-bright); text-decoration: underline; }

.field textarea.sim-menu {
  font-family: ui-monospace, 'Cascadia Mono', Consolas, 'Liberation Mono', monospace;
  font-size: 0.92rem;
  line-height: 1.5;
  min-height: 300px;
  tab-size: 2;
  white-space: pre;
  overflow: auto;
}

.sim-help {
  margin-top: 0.4rem;
  border: 1px solid rgba(244, 239, 230, 0.1);
  border-radius: 12px;
  background: rgba(22, 17, 15, 0.4);
}
.sim-help summary {
  cursor: pointer;
  padding: 0.7rem 1rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--cream);
}
.sim-help-body { padding: 0 1rem 1rem; color: var(--muted); font-size: 0.88rem; }
.sim-help-body ul { padding-left: 1.2rem; margin: 0.4rem 0 0.8rem; }
.sim-help-body li { margin-bottom: 0.3rem; }
.sim-help-body code,
.sim-checks code {
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  font-size: 0.9em;
  color: var(--cream);
  background: rgba(244, 239, 230, 0.08);
  padding: 0.05em 0.35em;
  border-radius: 5px;
}
.sim-help-body pre {
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--cream);
  background: rgba(22, 17, 15, 0.7);
  padding: 0.8rem 1rem;
  border-radius: 10px;
  overflow: auto;
}

.sim-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(244, 239, 230, 0.1);
  flex-wrap: wrap;
}
.sim-actions .btn { flex: 1; min-width: 180px; }
.sim-actions .btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.sim-status { min-height: 1.2em; margin-top: 0.5rem; font-size: 0.82rem; color: var(--muted); }

/* Checks panel */
.sim-checks { margin-top: 1.4rem; }
.sim-checks-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.sim-checks-head h2 { font-size: 1.05rem; margin: 0; }
.sim-stats { font-size: 0.82rem; color: var(--muted); }
.sim-checks ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.sim-checks li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--muted);
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  background: rgba(244, 239, 230, 0.04);
  border-left: 3px solid rgba(244, 239, 230, 0.2);
}
.sim-checks li.is-error { border-left-color: #e5484d; }
.sim-checks li.is-warn { border-left-color: #f5a623; }
.sim-checks li.is-ok { border-left-color: #2ecc71; }
.sim-checks li strong { color: var(--cream); font-weight: 600; }

/* Phone column */
.sim-phone-pane {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 100px;
}
@media (max-width: 960px) { .sim-phone-pane { position: static; } }

.sim-meter { width: 100%; max-width: 320px; }
.sim-meter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.sim-meter-head strong { color: var(--cream); font-variant-numeric: tabular-nums; }
.sim-meter-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(244, 239, 230, 0.1);
  overflow: hidden;
}
.sim-meter-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--peri), var(--orange));
  transition: width 0.2s ease, background 0.2s ease;
}
.sim-meter.is-over .sim-meter-fill { background: #e5484d; }
.sim-meter.is-over .sim-meter-head strong { color: #ff8a8f; }

.sim-crumb {
  width: 100%;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--muted);
}
.sim-badge {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: rgba(107, 107, 245, 0.25);
  color: #c9c9ff;
}
.sim-badge.is-end { background: rgba(245, 115, 27, 0.25); color: #ffc49a; }
.sim-badge.is-idle { background: rgba(244, 239, 230, 0.1); color: var(--muted); }
.sim-crumb-path { flex: 1; min-width: 0; word-break: break-word; }

.sim-why { text-align: center; }
.sim-why .container { max-width: 720px; }
.sim-why p { color: #4a3f36; }
.sim-why p a { color: var(--orange); font-weight: 600; }