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

:root {
  --bg:       #080f0a;
  --surface:  #0e1a10;
  --border:   #1c321f;
  --green:    #22c55e;
  --green-dim:#16a34a;
  --yellow:   #eab308;
  --red:      #ef4444;
  --text:     #e2f0e4;
  --muted:    #4d7253;
  --mono:     'DM Mono', monospace;
  --display:  'Syne', sans-serif;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}

/* ── Login screen ── */
#loginScreen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px 16px;
  gap: 16px;
}
#loginScreen .header { text-align: center; }
#loginScreen h1 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--green);
}
#loginScreen p {
  color: var(--muted);
  font-size: 11px;
  margin-top: 4px;
  letter-spacing: 0.5px;
}
.login-card {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.login-card .card-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}
.login-error {
  color: var(--red);
  font-size: 11px;
  text-align: center;
  min-height: 16px;
}

/* ── App (oculta hasta login) ── */
#app {
  display: none;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px 40px;
  gap: 12px;
  min-height: 100%;
}
#app.visible { display: flex; }

/* ── Header ── */
.header {
  width: 100%;
  max-width: 420px;
  text-align: center;
  padding: 24px 0 8px;
}
.header h1 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--green);
}
.header p {
  color: var(--muted);
  font-size: 11px;
  margin-top: 4px;
  letter-spacing: 0.5px;
}

/* ── Cards ── */
.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

/* ── Countdown ── */
.countdown {
  font-family: var(--display);
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--green);
  text-align: center;
  line-height: 1;
  padding: 8px 0 4px;
  transition: color 0.3s;
}
.countdown.off { color: var(--muted); }
.countdown.urgent { color: var(--yellow); animation: pulse 0.5s infinite alternate; }
@keyframes pulse { from { opacity: 1; } to { opacity: 0.5; } }
.target-date { text-align: center; color: var(--muted); font-size: 11px; margin-top: 6px; }

/* ── Status ── */
.status-row { display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex-shrink: 0; }
.dot.green  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot.yellow { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); animation: pulse 0.8s infinite alternate; }
.dot.red    { background: var(--red); }
.status-text { font-size: 13px; }

/* ── Toggle ── */
.toggle-row { display: flex; align-items: center; justify-content: space-between; cursor: pointer; user-select: none; }
.toggle-info { display: flex; flex-direction: column; gap: 3px; }
.toggle-title { font-size: 14px; font-weight: 500; }
.toggle-sub { font-size: 11px; color: var(--muted); }
.switch { width: 48px; height: 26px; background: var(--border); border-radius: 13px; position: relative; transition: background 0.2s; flex-shrink: 0; }
.switch::after { content: ''; position: absolute; width: 20px; height: 20px; background: var(--muted); border-radius: 50%; top: 3px; left: 3px; transition: transform 0.2s, background 0.2s; }
.switch.on { background: #14532d; }
.switch.on::after { transform: translateX(22px); background: var(--green); }

/* ── Segmented control ── */
.segmented { display: flex; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 3px; gap: 3px; }
.segmented-option { flex: 1; text-align: center; padding: 9px 0; border-radius: 6px; font-size: 12px; color: var(--muted); cursor: pointer; user-select: none; transition: background 0.15s, color 0.15s; }
.segmented-option:hover { color: var(--text); }
.segmented-option.active { background: var(--green-dim); color: #030d05; font-weight: 600; }

/* ── NTP ── */
.ntp-text { font-size: 11px; color: var(--muted); }
.ntp-text.ok { color: var(--green); }
.ntp-text.warn { color: var(--yellow); }

/* ── Buttons ── */
.btn { width: 100%; padding: 13px; border: none; border-radius: 8px; font-family: var(--mono); font-size: 13px; font-weight: 500; cursor: pointer; transition: opacity 0.15s, transform 0.1s; letter-spacing: 0.3px; }
.btn:active { transform: scale(0.98); opacity: 0.85; }
.btn-confirm { background: var(--green); color: #030d05; font-size: 15px; font-weight: 700; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-danger { background: transparent; border: 1px solid #3f1515; color: #f87171; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── Inputs ── */
.input-group { display: flex; flex-direction: column; gap: 8px; }
.input-field { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; color: var(--text); font-family: var(--mono); font-size: 13px; width: 100%; outline: none; transition: border-color 0.2s; }
.input-field:focus { border-color: var(--green-dim); }
.input-field::placeholder { color: var(--muted); }

/* ── Debug ── */
.debug-toggle { text-align: center; color: var(--muted); font-size: 11px; cursor: pointer; padding: 6px 0; letter-spacing: 0.5px; }
.debug-toggle:hover { color: var(--text); }
.debug-section { display: none; }
.debug-section.open { display: flex; flex-direction: column; gap: 10px; }

/* ── Confirm banner ── */
.confirm-banner { display: none; width: 100%; max-width: 420px; background: #14532d; border: 1px solid var(--green-dim); border-radius: 12px; padding: 16px; text-align: center; gap: 12px; flex-direction: column; }
.confirm-banner.show { display: flex; }
.confirm-banner p { font-size: 14px; color: var(--green); font-weight: 500; }
.confirm-banner small { color: var(--muted); font-size: 11px; }

/* ── Error ── */
.error-box { display: none; width: 100%; max-width: 420px; background: #1a0a0a; border: 1px solid #3f1515; border-radius: 12px; padding: 14px; color: #f87171; font-size: 12px; word-break: break-word; }
.error-box.show { display: block; }

/* ── Log ── */
.log-box { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; font-size: 10px; color: var(--muted); max-height: 120px; overflow-y: auto; line-height: 1.8; }
.log-box .log-entry { display: block; }
.log-box .log-entry.ok { color: var(--green); }
.log-box .log-entry.err { color: var(--red); }
.log-box .log-entry.warn { color: var(--yellow); }

.divider { width: 100%; max-width: 420px; height: 1px; background: var(--border); margin: 4px 0; }

/* Logout link */
.logout-row { width: 100%; max-width: 420px; text-align: right; }
.logout-link { color: var(--muted); font-size: 10px; cursor: pointer; letter-spacing: 0.5px; }
.logout-link:hover { color: var(--red); }