:root {
  --pink: #ffd6e8;
  --lavender: #e3d9ff;
  --mint: #d3f8e8;
  --peach: #ffe4c4;
  --ink: #5b4b57;
  --ink-soft: #8a7a86;
  --card-bg: #fffdfb;
  --radius: 18px;
  --shadow: 0 6px 16px rgba(180, 150, 170, 0.18);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang TC", "Microsoft JhengHei", "Baloo 2", system-ui, sans-serif;
  font-size: 13px;
  color: var(--ink);
  background: linear-gradient(135deg, var(--pink) 0%, var(--lavender) 45%, var(--mint) 100%);
  background-attachment: fixed;
}

h1, h2 {
  font-family: "Baloo 2", "PingFang TC", "Microsoft JhengHei", sans-serif;
  margin: 0 0 8px;
}

h1 { font-size: 22px; text-align: center; }
h2 { font-size: 15px; color: var(--ink); display: flex; align-items: center; gap: 6px; }

.hidden { display: none !important; }

/* ---------- 登入畫面 ---------- */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--card-bg);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 32px 28px;
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.login-mascot { font-size: 40px; margin-bottom: 4px; }
.subtitle { color: var(--ink-soft); font-size: 12px; margin-top: 0; margin-bottom: 20px; }

#login-form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
#login-form label { font-size: 12px; color: var(--ink-soft); display: flex; flex-direction: column; gap: 4px; }

.error-text { color: #e0668a; font-size: 12px; min-height: 14px; margin: 0; }

/* ---------- 輸入元件 ---------- */
input, select, textarea {
  font-family: inherit;
  font-size: 13px;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1.5px solid #f0e0ea;
  background: #fffefd;
  color: var(--ink);
  outline: none;
  width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: #f3b8d0; }
textarea { resize: vertical; }

.btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 16px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { transform: translateY(-1px) scale(1.02); }
.btn:active { transform: scale(0.97); }

.btn-primary { background: #ffb3cf; color: #5b2c40; box-shadow: 0 4px 10px rgba(255,150,190,0.4); }
.btn-secondary { background: #c9e3ff; color: #2c4a5b; box-shadow: 0 4px 10px rgba(150,200,255,0.35); }
.btn-ghost { background: transparent; color: var(--ink-soft); border: 1.5px solid #e6d5df; }
.btn-icon { padding: 4px 8px; border-radius: 10px; font-size: 12px; background: #f5eef2; }

/* ---------- App layout ---------- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { font-family: "Baloo 2", sans-serif; font-weight: 700; font-size: 16px; }

.header-actions {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 280px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  z-index: 20;
}
.project-panel h2 { margin-bottom: 10px; }

.app-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 20px;
}

.task-form, .project-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.task-form input[type="text"], .task-form input[type="url"], .task-form textarea { flex: 1 1 100%; }
.task-form select, .task-form input[type="date"] { flex: 1 1 130px; }
.task-form .task-attachment-picker { flex: 1 1 100%; display: flex; align-items: center; gap: 8px; }
.task-form button { flex: 1 1 100%; }

.attachment-filename { font-size: 11px; color: var(--ink-soft); }

.project-form input[type="text"]:first-child { flex: 0 0 52px; text-align: center; }
.project-form input[type="text"]:nth-child(2) { flex: 1 1 120px; }
.project-form input[type="color"] { flex: 0 0 44px; padding: 2px; height: 36px; }
.project-form button { flex: 1 1 100%; }

.project-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.project-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.project-pill-delete {
  border: none;
  background: rgba(0, 0, 0, 0.1);
  color: inherit;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border-radius: 50%;
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.project-pill-delete:hover { background: rgba(0, 0, 0, 0.22); }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}
.tab-btn {
  flex: 1;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 6px;
  border-radius: 12px;
  border: none;
  background: #f5eef2;
  color: var(--ink-soft);
  cursor: pointer;
}
.tab-btn.active { background: #ffd6e8; color: #5b2c40; }

/* ---------- Task list ---------- */
.task-list { display: flex; flex-direction: column; gap: 10px; }
.empty-hint { color: var(--ink-soft); font-size: 12px; text-align: center; padding: 20px 0; }

.task-card {
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff9fb;
  border: 1.5px solid #f5e6ee;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.task-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.task-title { font-size: 13.5px; font-weight: 700; }
.task-badges { display: flex; flex-wrap: wrap; gap: 5px; font-size: 11px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 600;
}
.badge-project { background: #eee7fb; color: #4a3a6b; }
.badge-today { background: #ffe0b3; color: #7a4a00; }
.badge-overdue { background: #ffd0d6; color: #8a2e3a; }
.badge-date { background: #eef; color: #445; }
.badge-self { background: #d3f8e8; color: #1f6b4c; }
.badge-delegated { background: #ffe4c4; color: #8a5a1e; }
.badge-start { background: #f2eef5; color: #7a6a86; }
.badge-done-date { background: #d8f5da; color: #2e6b32; }
.badge-pinned { background: #ffe0ee; color: #8a2e5e; }

.task-notes { font-size: 12px; color: var(--ink-soft); white-space: pre-wrap; }

.task-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.task-actions a.btn-icon { text-decoration: none; }
.task-actions-extra { margin-top: -2px; }

.task-attachments {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #f2eef5;
  font-size: 11px;
  color: var(--ink);
}

.attachment-mini-btn {
  border: none;
  background: rgba(0, 0, 0, 0.08);
  color: inherit;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 9px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.attachment-mini-btn:hover { background: rgba(0, 0, 0, 0.2); }

.attachment-upload-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eef;
  color: #445;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}
.attachment-upload-label:hover { background: #e2e2ff; }

.task-edit-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.task-edit-form input[type="text"],
.task-edit-form input[type="url"],
.task-edit-form textarea {
  flex: 1 1 100%;
}
.task-edit-form select,
.task-edit-form input[type="date"] {
  flex: 1 1 130px;
}
.task-edit-form .task-actions { flex: 1 1 100%; }

@media (max-width: 480px) {
  body { font-size: 12.5px; }
  .app-main { padding: 12px; }
}