mobile navigation

media queries

frontend/src/components/Navbar.css

@@ -8,6 +8,19 @@
   border-bottom: 1px solid var(--color-border-light);
 }
 
+/* ── Left Group: Brand + Links ───────────────────────────── */
+
+.navbar__left {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.navbar__brand-group {
+  display: flex;
+  align-items: center;
+}
+
 .navbar__brand {
   font-weight: 700;
   font-size: 1.4rem;
@@ -38,6 +51,14 @@
   background-color: var(--color-bg-card);
 }
 
+/* ── Right Group: Email + Logout + Hamburger ─────────────── */
+
+.navbar__right {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
 .navbar__user {
   font-size: 1.275rem;
   color: #777;
@@ -53,6 +74,10 @@
   color: var(--color-primary-hover);
 }
 
+.navbar__user-link--mobile {
+  display: none;
+}
+
 .navbar__logout {
   padding: 0.4rem 1rem;
   font-size: 1.275rem;
@@ -64,3 +89,79 @@
   cursor: pointer;
   transition: all 0.15s ease;
 }
+
+/* ── Hamburger Icon (hidden on desktop) ──────────────────── */
+
+.navbar__hamburger {
+  display: none;
+  flex-direction: column;
+  justify-content: center;
+  gap: 5px;
+  background: none;
+  border: none;
+  cursor: pointer;
+  padding: 4px;
+}
+
+.navbar__hamburger-bar {
+  display: block;
+  width: 28px;
+  height: 3px;
+  background-color: var(--color-brand);
+  border-radius: 2px;
+}
+
+/* ── Responsive: Tablet & below (≤ 768px) ────────────────── */
+
+@media (max-width: 768px) {
+  .navbar {
+    padding: 0.75rem 1rem;
+  }
+
+  .navbar__brand-group {
+    flex-direction: column;
+    align-items: flex-start;
+  }
+
+  .navbar__brand {
+    margin-right: 0;
+    font-size: 1.25rem;
+  }
+
+  .navbar__links {
+    display: none;
+  }
+
+  .navbar__user-link--mobile {
+    display: block;
+    font-size: 0.95rem;
+  }
+
+  .navbar__user-link--desktop {
+    display: none;
+  }
+
+  .navbar__logout {
+    display: none;
+  }
+
+  .navbar__hamburger {
+    display: flex;
+  }
+}
+
+/* ── Responsive: Mobile (≤ 480px) ────────────────────────── */
+
+@media (max-width: 480px) {
+  .navbar {
+    padding: 0.75rem;
+  }
+
+  .navbar__brand {
+    font-size: 1.15rem;
+  }
+
+  .navbar__user-link--mobile {
+    font-size: 0.85rem;
+  }
+}

frontend/src/components/Navbar.jsx

@@ -1,5 +1,7 @@
+import { useState } from "react";
 import { Link, useLocation } from "react-router-dom";
 import { useAuth } from "../contexts/AuthContext";
+import NavPanel from "./navPanel/NavPanel";
 import "./Navbar.css";
 
 const navLinks = [
@@ -11,35 +13,59 @@ const navLinks = [
 export default function Navbar() {
   const { currentUser, logout } = useAuth();
   const location = useLocation();
+  const [isNavPanelOpen, setIsNavPanelOpen] = useState(false);
 
   if (!currentUser) return null;
 
   return (
-    <nav className="navbar">
-      <div className="flex flex--center gap-sm">
-        <span className="navbar__brand">Koin Ping</span>
-        <div className="navbar__links">
-          {navLinks.map(({ to, label }) => {
-            const isActive = location.pathname === to;
-            return (
-              <Link
-                key={to}
-                to={to}
-                className={`navbar__link ${isActive ? "navbar__link--active" : ""}`}
-              >
-                {label}
-              </Link>
-            );
-          })}
+    <>
+      <nav className="navbar">
+        <div className="navbar__left">
+          <div className="navbar__brand-group">
+            <span className="navbar__brand">Koin Ping</span>
+            <Link to="/account" className="navbar__user-link navbar__user-link--mobile">
+              {currentUser.email}
+            </Link>
+          </div>
+          <div className="navbar__links">
+            {navLinks.map(({ to, label }) => {
+              const isActive = location.pathname === to;
+              return (
+                <Link
+                  key={to}
+                  to={to}
+                  className={`navbar__link ${isActive ? "navbar__link--active" : ""}`}
+                >
+                  {label}
+                </Link>
+              );
+            })}
+          </div>
         </div>
-      </div>
 
-      <div className="flex flex--center gap-lg">
-        <Link to="/account" className="navbar__user navbar__user-link">{currentUser.email}</Link>
-        <button onClick={logout} className="navbar__logout">
-          Logout
-        </button>
-      </div>
-    </nav>
+        <div className="navbar__right">
+          <Link to="/account" className="navbar__user navbar__user-link navbar__user-link--desktop">
+            {currentUser.email}
+          </Link>
+          <button onClick={logout} className="navbar__logout">
+            Logout
+          </button>
+          <button
+            className="navbar__hamburger"
+            onClick={() => setIsNavPanelOpen(true)}
+            aria-label="Open navigation menu"
+          >
+            <span className="navbar__hamburger-bar" />
+            <span className="navbar__hamburger-bar" />
+            <span className="navbar__hamburger-bar" />
+          </button>
+        </div>
+      </nav>
+
+      <NavPanel
+        isOpen={isNavPanelOpen}
+        onClose={() => setIsNavPanelOpen(false)}
+      />
+    </>
   );
 }

frontend/src/components/navPanel/NavPanel.css

@@ -0,0 +1,78 @@
+/* ── Overlay Backdrop ─────────────────────────────────────── */
+
+.nav-panel__overlay {
+  position: fixed;
+  inset: 0;
+  background-color: rgba(0, 0, 0, 0.45);
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 0.3s ease;
+  z-index: 900;
+}
+
+.nav-panel__overlay--visible {
+  opacity: 1;
+  pointer-events: auto;
+}
+
+/* ── Slide-out Panel ─────────────────────────────────────── */
+
+.nav-panel {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 260px;
+  height: 100%;
+  background-color: var(--color-bg-elevated);
+  border-right: 1px solid var(--color-border);
+  transform: translateX(-100%);
+  transition: transform 0.3s ease;
+  z-index: 950;
+  display: flex;
+  flex-direction: column;
+  padding: 1.5rem 0;
+}
+
+.nav-panel--open {
+  transform: translateX(0);
+}
+
+/* ── Nav Links ───────────────────────────────────────────── */
+
+.nav-panel__nav {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+}
+
+.nav-panel__link {
+  padding: 0.9rem 1.5rem;
+  text-decoration: none;
+  font-size: 1.3rem;
+  font-weight: 200;
+  color: var(--color-text-subtle);
+  border-left: 3px solid transparent;
+  transition: background-color 0.15s ease, color 0.15s ease;
+}
+
+.nav-panel__link--active {
+  font-weight: 600;
+  color: var(--color-text);
+  background-color: var(--color-bg-card);
+  border-left-color: var(--color-brand);
+}
+
+/* ── Logout Button ───────────────────────────────────────── */
+
+.nav-panel__logout {
+  margin: 1rem 1.5rem;
+  padding: 0.5rem 1rem;
+  font-size: 1.15rem;
+  font-weight: 400;
+  background-color: transparent;
+  color: var(--color-text-subtle);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-lg);
+  cursor: pointer;
+  transition: all 0.15s ease;
+}

frontend/src/components/navPanel/NavPanel.jsx

@@ -0,0 +1,52 @@
+import { Link, useLocation } from "react-router-dom";
+import { useAuth } from "../../contexts/AuthContext";
+import "./NavPanel.css";
+
+const navLinks = [
+  { to: "/addresses", label: "Addresses" },
+  { to: "/alerts", label: "Configure Alerts" },
+  { to: "/alertevents", label: "Alert Event History" },
+];
+
+export default function NavPanel({ isOpen, onClose }) {
+  const { logout } = useAuth();
+  const location = useLocation();
+
+  const handleNavClick = () => {
+    onClose();
+  };
+
+  const handleLogout = () => {
+    onClose();
+    logout();
+  };
+
+  return (
+    <>
+      <div
+        className={`nav-panel__overlay${isOpen ? " nav-panel__overlay--visible" : ""}`}
+        onClick={onClose}
+      />
+      <aside className={`nav-panel${isOpen ? " nav-panel--open" : ""}`}>
+        <nav className="nav-panel__nav">
+          {navLinks.map(({ to, label }) => {
+            const isActive = location.pathname === to;
+            return (
+              <Link
+                key={to}
+                to={to}
+                className={`nav-panel__link${isActive ? " nav-panel__link--active" : ""}`}
+                onClick={handleNavClick}
+              >
+                {label}
+              </Link>
+            );
+          })}
+        </nav>
+        <button onClick={handleLogout} className="nav-panel__logout">
+          Logout
+        </button>
+      </aside>
+    </>
+  );
+}

frontend/src/index.css

@@ -356,3 +356,73 @@ button {
   color: white;
   font-size: 0.85rem;
 }
+
+/* ── Responsive Breakpoints ──────────────────────────────── */
+/* Mobile:  <= 480px                                          */
+/* Tablet:  481px – 768px                                     */
+/* Laptop:  769px – 1024px                                    */
+/* Desktop: >= 1025px (default styles above)                  */
+
+/* Laptop & below */
+@media (max-width: 1024px) {
+  .page--wide {
+    max-width: 100%;
+  }
+}
+
+/* Tablet & below */
+@media (max-width: 768px) {
+  html {
+    font-size: 13px;
+  }
+
+  .page {
+    padding: 1.25rem;
+  }
+
+  .btn--lg {
+    padding: 0.6rem 1.2rem;
+  }
+
+  h1 {
+    font-size: 1.75rem;
+  }
+
+  h2 {
+    font-size: 1.4rem;
+  }
+
+  h3 {
+    font-size: 1.15rem;
+  }
+}
+
+/* Mobile */
+@media (max-width: 480px) {
+  html {
+    font-size: 12px;
+  }
+
+  .page {
+    padding: 1rem 0.75rem;
+  }
+
+  .form-control,
+  .form-select {
+    font-size: 0.95rem;
+  }
+
+  .btn {
+    padding: 0.45rem 0.85rem;
+    font-size: 0.95rem;
+  }
+
+  .btn--lg {
+    padding: 0.55rem 1rem;
+    font-size: 1rem;
+  }
+
+  .section {
+    padding: 0.75rem;
+  }
+}

frontend/src/pages/addresses/Addresses.css

@@ -28,3 +28,13 @@
   margin-left: 1rem;
   flex-shrink: 0;
 }
+
+/* ── Addresses Responsive ────────────────────────────────── */
+
+@media (max-width: 480px) {
+  .address__remove {
+    margin-left: 0.5rem;
+    padding: 0.25rem 0.5rem;
+    font-size: 0.8rem;
+  }
+}

frontend/src/pages/alerts/Alerts.css

@@ -61,3 +61,54 @@
   gap: 0.75rem;
   margin-top: 1rem;
 }
+
+/* ── Alerts Page Responsive ──────────────────────────────── */
+
+/* Laptop: tighten the gap */
+@media (max-width: 1024px) {
+  .alerts-grid {
+    gap: 1.5rem;
+  }
+}
+
+/* Tablet & below: collapse to single column */
+@media (max-width: 768px) {
+  .alerts-grid {
+    grid-template-columns: 1fr;
+    gap: 2.5rem;
+  }
+}
+
+/* Mobile: compact spacing */
+@media (max-width: 480px) {
+  .alerts-grid {
+    gap: 2rem;
+  }
+
+  .alerts__address-info {
+    padding: 0.75rem;
+    margin-bottom: 1.25rem;
+  }
+
+  .alerts__rule {
+    padding: 0.75rem;
+  }
+
+  .alerts__rule .flex--between {
+    flex-direction: column;
+    gap: 0.75rem;
+  }
+
+  .alerts__save-test {
+    flex-direction: column;
+  }
+
+  .alerts__save-test .btn--lg {
+    width: 100%;
+    text-align: center;
+  }
+
+  .alerts__email-buttons {
+    flex-direction: column;
+  }
+}

frontend/src/pages/login/Login.css

@@ -96,3 +96,21 @@
   animation: fadeIn 2s ease-in-out forwards;
   animation-delay: 6s;
 }
+
+/* ── Login Responsive ────────────────────────────────────── */
+
+@media (max-width: 480px) {
+  .login-card {
+    max-width: 100%;
+    margin: 0 0.75rem;
+    padding: 1.5rem;
+    padding-top: 6rem;
+  }
+
+  .login-tagline {
+    margin-top: 3rem;
+    padding-left: 1rem;
+    padding-right: 1rem;
+    font-size: 1.25rem;
+  }
+}

frontend/src/pages/subscribe/subscribe.css

@@ -236,3 +236,25 @@
   margin: 0;
   font-style: italic;
 }
+
+/* ── Subscribe Responsive ────────────────────────────────── */
+
+@media (max-width: 480px) {
+  .subscribe {
+    padding-top: 1.5rem;
+  }
+
+  .subscribe__card {
+    padding: 1.25rem;
+  }
+
+  .progress-bar__connector {
+    width: 24px;
+  }
+
+  .progress-bar__dot {
+    width: 26px;
+    height: 26px;
+    font-size: 0.75rem;
+  }
+}