feat: create web PWA frontend

1 files changed, 134 insertions, 0 deletions

diff --git a/web/css/components.css b/web/css/components.css
new file mode 100644
index 0000000..6d2f074
--- /dev/null
+++ b/web/css/components.css
@@ -0,0 +1,134 @@
+/* Buttons */
+.btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.35rem;
+  padding: 0.5rem 0.85rem;
+  border-radius: var(--radius-sm);
+  border: 1px solid transparent;
+  font-size: 0.85rem;
+  font-weight: 600;
+  line-height: 1.2;
+  cursor: pointer;
+  background: var(--bg-elevated);
+  color: var(--text-primary);
+  transition: background var(--transition-fast), border-color var(--transition-fast), transform 80ms ease;
+}
+.btn:hover { background: var(--bg-surface-hover); }
+.btn:active { transform: translateY(1px); }
+.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
+
+.btn-primary {
+  background: var(--accent);
+  color: #fff;
+  border-color: var(--accent-active);
+}
+.btn-primary:hover { background: var(--accent-hover); }
+.btn-danger {
+  background: var(--danger);
+  color: #fff;
+  border-color: #b91c1c;
+}
+.btn-danger:hover { background: #e04e4e; }
+.btn-ghost {
+  background: transparent;
+  color: var(--text-secondary);
+  border-color: var(--border);
+}
+.btn-ghost:hover { color: var(--text-primary); background: var(--bg-surface-hover); }
+.btn-sm { padding: 0.3rem 0.55rem; font-size: 0.78rem; }
+.btn-lg { padding: 0.65rem 1.1rem; font-size: 0.95rem; }
+
+/* Icon buttons */
+.icon-btn {
+  width: 2.25rem;
+  height: 2.25rem;
+  border-radius: var(--radius-sm);
+  background: transparent;
+  border: 1px solid transparent;
+  color: var(--text-secondary);
+  cursor: pointer;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 1.05rem;
+  line-height: 1;
+  padding: 0;
+  transition: background var(--transition-fast), color var(--transition-fast);
+}
+.icon-btn:hover { background: var(--bg-surface-hover); color: var(--text-primary); }
+.icon-btn.active { color: var(--accent); background: var(--accent-soft); }
+
+/* Forms */
+input, textarea, select {
+  font: inherit;
+  color: var(--text-primary);
+  background: var(--bg-elevated);
+  border: 1px solid var(--border);
+  border-radius: var(--radius-sm);
+  padding: 0.5rem 0.65rem;
+  width: 100%;
+}
+input:focus, textarea:focus, select:focus {
+  outline: none;
+  border-color: var(--accent);
+  box-shadow: 0 0 0 3px var(--accent-soft);
+}
+label {
+  display: block;
+  font-size: 0.8rem;
+  font-weight: 600;
+  margin: 0.35rem 0 0.2rem;
+  color: var(--text-secondary);
+}
+
+/* Error message */
+.error-message {
+  color: var(--danger);
+  font-size: 0.85rem;
+  min-height: 1.25rem;
+  margin: 0.35rem 0 0;
+}
+
+/* Search bar */
+.search-bar {
+  display: flex;
+  align-items: center;
+  gap: 0.4rem;
+  background: var(--bg-elevated);
+  border: 1px solid var(--border);
+  border-radius: var(--radius-md);
+  padding: 0.25rem 0.6rem;
+  max-width: 22rem;
+  width: 100%;
+}
+.search-bar input {
+  background: transparent;
+  border: none;
+  padding: 0.35rem 0.2rem;
+  flex: 1 1 auto;
+}
+.search-bar input:focus { box-shadow: none; }
+
+/* Toast */
+.toast {
+  position: fixed;
+  bottom: 1rem;
+  right: 1rem;
+  background: var(--bg-surface);
+  color: var(--text-primary);
+  border: 1px solid var(--border-strong);
+  border-radius: var(--radius-md);
+  box-shadow: var(--shadow-lg);
+  padding: 0.65rem 0.9rem;
+  z-index: 110;
+  font-size: 0.85rem;
+  transform: translateY(120%);
+  opacity: 0;
+  transition: transform var(--transition-base), opacity var(--transition-base);
+}
+.toast.show { transform: translateY(0); opacity: 1; }
+.toast.info { border-left: 4px solid var(--accent); }
+.toast.success { border-left: 4px solid var(--success); }
+.toast.error { border-left: 4px solid var(--danger); }