:root {
  --bg: #161410;
  --bg-elevated: #1e1b16;
  --bg-card: #232019;
  --border: #35301f;
  --text: #f2ede2;
  --text-dim: #a89f8c;
  --accent: #ff7a4a;
  --accent-soft: #ff7a4a22;
  --alta: #ff5c5c;
  --media: #f2b134;
  --baixa: #6fbf8c;
  --font-display: 'Fraunces', serif;
  --font-body: 'IBM Plex Sans', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
}

body {
  background-image:
    radial-gradient(circle at 15% 0%, #2a2418 0%, transparent 45%),
    radial-gradient(circle at 100% 20%, #241d16 0%, transparent 40%);
  background-attachment: fixed;
}

h1 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
}

input, textarea {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

/* ---------- Login ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 28px;
  text-align: center;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
}
.login-mark {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 8px;
}
.login-card h1 {
  font-size: 32px;
  margin: 0 0 4px;
}
.login-sub {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 28px;
}
#login-form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
#login-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
#login-form input {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 16px;
}
#login-form button[type="submit"] {
  margin-top: 8px;
  padding: 13px;
  border-radius: 10px;
  background: var(--accent);
  color: #1a1208;
  font-weight: 600;
  font-size: 15px;
}
.error { color: var(--alta); font-size: 13px; margin: 4px 0 0; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px calc(14px + env(safe-area-inset-top, 0px));
  padding-top: max(18px, env(safe-area-inset-top, 0px));
  background: rgba(22, 20, 16, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 24px; margin: 0; }
.topbar-actions { display: flex; gap: 8px; }
.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  width: 40px; height: 40px;
  border-radius: 50%;
  font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text);
}

.notif-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  font-size: 13px;
}
.notif-banner button {
  background: var(--accent);
  color: #1a1208;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}
.notif-banner button.ghost {
  background: transparent;
  color: var(--text-dim);
}

.content { max-width: 560px; margin: 0 auto; padding: 20px 16px 60px; }

/* ---------- Add task ---------- */
.add-task-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 6px;
  margin-bottom: 24px;
}
.add-toggle {
  width: 100%;
  background: transparent;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  padding: 14px;
  border-radius: 12px;
  text-align: left;
}
#task-form { display: flex; flex-direction: column; gap: 12px; padding: 10px; }
#task-form input[type="text"], #task-form textarea, #task-form input[type="datetime-local"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 15px;
  resize: none;
}
.priority-picker { display: flex; gap: 8px; }
.priority-pill {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
}
.priority-pill[data-priority="alta"].selected { background: var(--alta); color: #2a0d0d; border-color: var(--alta); }
.priority-pill[data-priority="media"].selected { background: var(--media); color: #2a1d00; border-color: var(--media); }
.priority-pill[data-priority="baixa"].selected { background: var(--baixa); color: #08251a; border-color: var(--baixa); }
.datetime-label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.form-actions button[type="submit"] {
  background: var(--accent); color: #1a1208; font-weight: 600;
  padding: 11px 18px; border-radius: 10px; font-size: 14px;
}
.ghost { background: transparent; color: var(--text-dim); padding: 11px 14px; font-size: 14px; }

/* ---------- Task list ---------- */
.task-list { display: flex; flex-direction: column; gap: 10px; }
.empty-state { text-align: center; color: var(--text-dim); padding: 40px 0; font-size: 14px; }

.task-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--baixa);
  border-radius: 14px;
  padding: 14px 14px 14px 12px;
  transition: opacity 0.2s;
}
.task-card[data-priority="alta"] { border-left-color: var(--alta); }
.task-card[data-priority="media"] { border-left-color: var(--media); }
.task-card[data-priority="baixa"] { border-left-color: var(--baixa); }
.task-card.done { opacity: 0.45; }
.task-card.done .task-title { text-decoration: line-through; }

.task-check {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  margin-top: 2px;
  flex-shrink: 0;
}
.task-card.done .task-check { background: var(--accent); border-color: var(--accent); }

.task-body { flex: 1; min-width: 0; }
.task-title { font-size: 15px; font-weight: 500; margin: 0 0 2px; word-break: break-word; }
.task-desc { font-size: 13px; color: var(--text-dim); margin: 0 0 4px; word-break: break-word; }
.task-meta { font-size: 12px; color: var(--text-dim); display: flex; gap: 8px; align-items: center; }

.task-delete {
  background: transparent;
  color: var(--text-dim);
  font-size: 16px;
  padding: 4px;
  flex-shrink: 0;
}