Update style.css

style.css

@@ -1,53 +1,132 @@
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
+
+/* CSS Variables */
 :root {
-    --bg-primary: #F6F6F8;
-    --bg-secondary: #ffffff;
-    --bg-card: #ffffff;
-    --text-primary: #333333;
-    --text-secondary: #86868B;
-    --accent-orange: #FF9D00;
-    --accent-yellow: #FFD21E;
-    --accent-blue: #3BB0D1;
-    --accent-cyan: #2E4787;
-    --accent-purple: #8b5cf6;
-    --border-color: #E0E0E0;
+    --background: hsl(244, 7%, 96%);
+    --foreground: hsl(0, 0%, 20%);
+    --card: hsl(0, 0%, 100%);
+    --card-foreground: hsl(0, 0%, 20%);
+    --primary: hsl(35, 100%, 50%);
+    --primary-foreground: hsl(0, 0%, 100%);
+    --secondary: hsl(0, 0%, 100%);
+    --secondary-foreground: hsl(0, 0%, 53%);
+    --muted: hsl(240, 5%, 96%);
+    --muted-foreground: hsl(240, 4%, 46%);
+    --accent: hsl(193, 60%, 52%);
+    --accent-foreground: hsl(0, 0%, 100%);
+    --destructive: hsl(0, 84%, 60%);
+    --border: hsl(0, 0%, 88%);
+    --input: hsl(0, 0%, 88%);
+    --ring: hsl(35, 100%, 50%);
     --radius: 0.75rem;
-    --hover-bg: rgba(59, 130, 246, 0.1);
-    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
-    --shadow-lg: 0 0px 5px rgba(0, 0, 0, 0.1);
+    --orange: hsl(35, 100%, 50%);
+    --yellow: hsl(47, 100%, 56%);
+    --cyan: hsl(193, 60%, 52%);
+    --navy: hsl(222, 48%, 35%);
+    --shadow-sm: 0 2px 8px hsla(0, 0%, 0%, 0.08);
+    --shadow-lg: 0 4px 20px hsla(0, 0%, 0%, 0.1);
+    --shadow-card: 0 4px 20px hsla(0, 0%, 0%, 0.1);
 }
 
-* {
+/* Reset & Base */
+*, *::before, *::after {
+    box-sizing: border-box;
     margin: 0;
     padding: 0;
-    box-sizing: border-box;
+    border-color: var(--border);
+}
+
+html {
+    scroll-behavior: smooth;
 }
 
 body {
-    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
-    background-color: var(--bg-primary);
-    color: var(--text-primary);
+    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+    background-color: var(--background);
+    color: var(--foreground);
     line-height: 1.6;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+}
+
+/* Utility Classes */
+.hidden {
+    display: none !important;
+}
+
+.min-h-screen {
     min-height: 100vh;
 }
 
+.bg-background {
+    background-color: var(--background);
+}
+
+/* Container */
 .container {
-    max-width: 1400px;
+    max-width: 1280px;
     margin: 0 auto;
-    padding: 0 1.5rem;
+    padding: 0 1rem;
+}
+
+.container-full {
+    max-width: 100%;
+    padding: 0 1rem;
+}
+
+@media (min-width: 768px) {
+    .container-full {
+        padding: 0 2rem;
+    }
+}
+
+/* Animations */
+@keyframes fade-in {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+@keyframes slide-in {
+    from {
+        opacity: 0;
+        transform: translateX(20px);
+    }
+    to {
+        opacity: 1;
+        transform: translateX(0);
+    }
+}
+
+.animate-fade-in {
+    animation: fade-in 0.5s ease-out;
+}
+
+.animate-slide-in {
+    animation: slide-in 0.3s ease-out;
 }
 
 /* Header */
 .header {
-    border-bottom: 1px solid var(--border-color);
-    background: var(--bg-primary);
-    backdrop-filter: blur(10px);
+    border-bottom: 1px solid var(--border);
+    background-color: hsla(0, 0%, 100%, 0.8);
+    backdrop-filter: blur(12px);
+    -webkit-backdrop-filter: blur(12px);
+    position: sticky;
+    top: 0;
+    z-index: 50;
 }
 
 .header-content {
     display: flex;
     align-items: center;
     justify-content: space-between;
-    padding: 1.5rem 0;
+    padding: 1rem 0;
     flex-wrap: wrap;
     gap: 1rem;
 }
@@ -55,392 +134,479 @@ body {
 .header-left {
     display: flex;
     align-items: center;
-    gap: 1.5rem;
+    gap: 1rem;
 }
 
-.robot-icon {
-    height: 64px;
-    width: 64px;
+.header-icon {
+    width: 3.5rem;
+    height: 3.5rem;
     object-fit: contain;
 }
 
-.title {
-    font-size: 2rem;
-    font-weight: bold;
-    background: var(--text-primary);
-    -webkit-background-clip: text;
-    -webkit-text-fill-color: transparent;
-    background-clip: text;
-    margin: 0;
-}
-
-.subtitle {
-    color: var(--text-secondary);
-    font-size: 1.125rem;
-    margin: 0;
-}
-
-.steps-badge {
-    display: flex;
-    align-items: center;
-    gap: 0.75rem;
-    padding: 0.75rem 1.5rem;
-    background: rgba(59, 130, 246, 0.1);
-    border: 1px solid rgba(59, 130, 246, 0.3);
-    border-radius: 12px;
-}
-
-.steps-badge .icon {
-    color: var(--accent-blue);
+.header-title {
+    font-size: 1.5rem;
+    font-weight: 700;
+    color: var(--foreground);
 }
 
-.steps-text {
-    font-size: 1.125rem;
-    font-weight: 600;
-    color: var(--accent-blue);
+.header-subtitle {
+    color: var(--muted-foreground);
+    font-size: 0.875rem;
 }
 
 /* Main Content */
 .main-content {
-    padding: 3rem 0;
+    padding: 2.5rem 0;
 }
 
-/* Introduction */
+/* Intro Section */
 .intro-section {
     text-align: center;
-    margin-bottom: 3rem;
+    margin-bottom: 2.5rem;
 }
 
 .intro-title {
-    font-size: 2.5rem;
-    font-weight: bold;
-    background: var(--text-primary);
-    -webkit-background-clip: text;
-    -webkit-text-fill-color: transparent;
-    background-clip: text;
+    font-size: 1.875rem;
+    font-weight: 700;
+    color: var(--foreground);
     margin-bottom: 1rem;
 }
 
-.intro-text {
-    font-size: 1.25rem;
-    color: var(--text-secondary);
-    max-width: 800px;
-    margin: 0 auto;
+@media (min-width: 768px) {
+    .intro-title {
+        font-size: 2.25rem;
+    }
 }
 
-/* Carousel */
-.carousel {
-    max-width: 1200px;
+.intro-text {
+    font-size: 1.125rem;
+    color: var(--muted-foreground);
+    max-width: 42rem;
     margin: 0 auto;
-    position: relative;
-    background: var(--bg-card);
-    border-radius: 16px;
-    overflow: hidden;
-    box-shadow: var(--shadow-lg);
-    border: 1px solid var(--border-color);
 }
 
-.step-counter {
-    position: absolute;
-    top: 1.5rem;
-    left: 1.5rem;
-    z-index: 10;
-    background: var(--bg-secondary);
-    backdrop-filter: blur(10px);
-    padding: 0.75rem 1.5rem;
-    border-radius: 12px;
+.intro-text strong {
+    color: var(--foreground);
 }
 
-.step-counter-text {
-    font-size: 1.5rem;
-    font-weight: bold;
-    color: var(--text-primary);
+/* Step Viewer */
+.step-viewer {
+    background-color: var(--card);
+    border-radius: 1rem;
+    overflow: hidden;
+    box-shadow: var(--shadow-card);
+    border: 1px solid var(--border);
 }
 
+/* Image Container */
 .image-container {
-    aspect-ratio: 16/9;
-    background: #ffffff;
+    position: relative;
+    background-color: var(--secondary);
+    height: calc(100vh - 300px);
+    min-height: 300px;
+}
+
+.image-wrapper {
+    width: 100%;
+    height: 100%;
     display: flex;
     align-items: center;
     justify-content: center;
-    position: relative;
-    overflow: hidden;
 }
 
 .step-image {
     width: 100%;
     height: 100%;
     object-fit: contain;
-    transition: opacity 0.5s ease-out;
+    cursor: pointer;
+    transition: transform 0.3s ease;
 }
 
+.step-image:hover {
+    transform: scale(1.02);
+}
+
+/* Step Counter */
+.step-counter {
+    position: absolute;
+    top: 1rem;
+    left: 1rem;
+    z-index: 10;
+    background-color: hsla(0, 0%, 100%, 0.9);
+    backdrop-filter: blur(8px);
+    -webkit-backdrop-filter: blur(8px);
+    padding: 0.5rem 1rem;
+    border-radius: 0.75rem;
+}
+
+.step-counter span {
+    font-size: 1.25rem;
+    font-weight: 700;
+    color: var(--foreground);
+}
+
+/* Fullscreen Button */
+.fullscreen-btn {
+    position: absolute;
+    top: 1rem;
+    right: 1rem;
+    z-index: 10;
+    background-color: hsla(0, 0%, 100%, 0.9);
+    backdrop-filter: blur(8px);
+    -webkit-backdrop-filter: blur(8px);
+    border: none;
+    border-radius: 0.5rem;
+    padding: 0.5rem;
+    cursor: pointer;
+    box-shadow: var(--shadow-lg);
+    transition: background-color 0.2s;
+}
+
+.fullscreen-btn:hover {
+    background-color: var(--card);
+}
+
+/* Placeholder */
 .placeholder {
-    text-align: center;
-    padding: 3rem;
+    width: 100%;
+    height: 100%;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    background: linear-gradient(to bottom right, var(--muted), var(--secondary));
+    padding: 2rem;
 }
 
-.placeholder-icon {
-    width: 96px;
-    height: 96px;
-    margin: 0 auto 1.5rem;
+.placeholder-circle {
+    width: 6rem;
+    height: 6rem;
     border-radius: 50%;
-    background: rgba(154, 160, 168, 0.3);
+    background-color: hsla(240, 4%, 46%, 0.2);
     display: flex;
     align-items: center;
     justify-content: center;
+    margin-bottom: 1rem;
+}
+
+.placeholder-circle span {
+    font-size: 2.5rem;
+    font-weight: 700;
+    color: var(--muted-foreground);
+}
+
+.placeholder-circle-lg {
+    width: 8rem;
+    height: 8rem;
 }
 
-.placeholder-icon span {
+.placeholder-circle-lg span {
     font-size: 3rem;
-    font-weight: bold;
-    color: var(--text-secondary);
 }
 
 .placeholder-text {
-    font-size: 1.5rem;
-    color: var(--text-secondary);
+    font-size: 1.125rem;
+    color: var(--muted-foreground);
 }
 
-/* Controls */
-.controls {
-    padding: 2rem;
-    background: var(--bg-card);
-    border-top: 1px solid var(--border-color);
+.placeholder-text-lg {
+    font-size: 1.25rem;
+    color: var(--muted-foreground);
+}
+
+/* YouTube Embed */
+.youtube-desktop {
+    display: none;
+    position: absolute;
+    bottom: 1rem;
+    right: 1rem;
+    width: 20rem;
+    aspect-ratio: 16 / 9;
+    z-index: 20;
+    border-radius: 0.5rem;
+    overflow: hidden;
+    box-shadow: var(--shadow-card);
 }
 
-.controls-top {
+@media (min-width: 768px) {
+    .youtube-desktop {
+        display: block;
+    }
+}
+
+.youtube-desktop iframe {
+    width: 100%;
+    height: 100%;
+    border: none;
+}
+
+.youtube-mobile {
+    width: 100%;
+    aspect-ratio: 16 / 9;
+    background-color: var(--secondary);
+}
+
+@media (min-width: 768px) {
+    .youtube-mobile {
+        display: none;
+    }
+}
+
+.youtube-mobile iframe {
+    width: 100%;
+    height: 100%;
+    border: none;
+}
+
+/* Navigation Controls */
+.nav-controls {
+    padding: 1.5rem;
+    background-color: var(--card);
+    border-top: 1px solid var(--border);
+}
+
+.nav-buttons {
     display: flex;
     align-items: center;
     justify-content: space-between;
-    gap: 1.5rem;
-    margin-bottom: 1.5rem;
+    gap: 1rem;
+    margin-bottom: 1rem;
     flex-wrap: wrap;
 }
 
 /* Buttons */
 .btn {
-    display: flex;
+    display: inline-flex;
     align-items: center;
     gap: 0.5rem;
-    padding: 0.75rem 2rem;
-    font-size: 1.125rem;
+    font-size: 1rem;
     font-weight: 500;
+    padding: 0.75rem 1.5rem;
+    border-radius: 0.5rem;
     border: none;
-    border-radius: 8px;
     cursor: pointer;
-    transition: all 0.3s ease;
+    transition: all 0.2s;
     font-family: inherit;
 }
 
-.btn-secondary {
-    background: var(--bg-secondary);
-    color: var(--text-secondary);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-.btn-secondary:hover:not(:disabled) {
-    background: var(--bg-secondary);
-    border-color: var(--bg-secondary);
+.btn:disabled {
+    opacity: 0.3;
+    cursor: not-allowed;
 }
 
-.btn-secondary .icon-left {
-    transition: transform 0.3s ease;
+.btn-outline {
+    background-color: transparent;
+    border: 1px solid var(--border);
+    color: var(--foreground);
 }
 
-.btn-secondary:hover:not(:disabled) .icon-left {
-    transform: translateX(-4px);
+.btn-outline:hover:not(:disabled) {
+    background-color: var(--muted);
+    gap: 0.75rem;
 }
 
 .btn-primary {
-    background: var(--bg-secondary);
-    color: var(--accent-orange);
-    border: 1px solid var(--accent-orange);
+    background-color: var(--card);
+    color: var(--orange);
+    border: 1px solid var(--orange);
 }
 
 .btn-primary:hover:not(:disabled) {
-    background: var(--bg-secondary);
-    border-color: var(--accent-orange);
-    box-shadow: 0 0 5px var(--accent-orange, 0.01);
-}
-
-.btn-primary .icon-right {
-    transition: transform 0.3s ease;
+    background-color: var(--orange);
+    color: var(--primary-foreground);
+    gap: 0.75rem;
 }
 
-.btn-primary:hover:not(:disabled) .icon-right {
-    transform: translateX(4px);
+.btn-icon {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 2.25rem;
+    height: 2.25rem;
+    border-radius: 0.5rem;
+    border: 1px solid var(--border);
+    background-color: transparent;
+    cursor: pointer;
+    transition: background-color 0.2s;
 }
 
-.btn:disabled {
-    opacity: 0.3;
-    cursor: not-allowed;
+.btn-icon:hover {
+    background-color: var(--muted);
 }
 
 /* Step Indicators */
-.indicators {
-    flex: 1;
+.step-indicators {
     display: flex;
     align-items: center;
     justify-content: center;
-    gap: 0.5rem;
-    overflow-x: auto;
-    padding: 0.5rem 1rem;
+    gap: 0.25rem;
+    padding: 0 0.5rem;
 }
 
-.indicator {
-    height: 12px;
-    border-radius: 9999px;
-    transition: all 0.3s ease;
-    cursor: pointer;
+.step-indicator-num {
+    width: 1.5rem;
+    height: 1.5rem;
+    border-radius: 50%;
+    font-size: 0.75rem;
+    font-weight: 500;
     border: none;
-    padding: 0;
+    cursor: pointer;
+    transition: all 0.2s;
+    background-color: var(--muted);
+    color: var(--muted-foreground);
+    display: flex;
+    align-items: center;
+    justify-content: center;
 }
 
-.indicator:not(.active) {
-    width: 12px;
-    background: var(--text-secondary);
-    opacity: 0.3;
+.step-indicator-num:hover {
+    background-color: hsla(240, 5%, 96%, 0.8);
+    transform: scale(1.05);
 }
 
-.indicator:not(.active):hover {
-    background: var(--text-secondary);
-    opacity: 0.5;
+.step-indicator-num-active {
+    background-color: var(--orange);
+    color: white;
+    box-shadow: 0 2px 8px hsla(35, 100%, 50%, 0.4);
+    transform: scale(1.1);
 }
 
-.indicator.active {
-    width: 48px;
-    background: var(--accent-orange);
-    box-shadow: 0 0 40px rgba(59, 130, 246, 0.2);
+.step-indicator-nav {
+    width: 1.5rem;
+    height: 1.5rem;
+    border-radius: 50%;
+    border: none;
+    cursor: pointer;
+    background-color: var(--muted);
+    color: var(--muted-foreground);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: background-color 0.2s;
+}
+
+.step-indicator-nav:hover {
+    background-color: hsla(240, 5%, 96%, 0.8);
 }
 
 /* Progress Bar */
-.progress-bar {
+.progress-bar-container {
     width: 100%;
-    background: var(--bg-secondary);
+    background-color: var(--secondary);
     border-radius: 9999px;
-    height: 8px;
+    height: 0.5rem;
     overflow: hidden;
 }
 
-.progress-fill {
+.progress-bar {
     height: 100%;
-    background: linear-gradient(to right, var(--accent-yellow), var(--accent-orange));
-    transition: width 0.5s ease-out;
+    background: linear-gradient(to right, var(--yellow), var(--orange));
     border-radius: 9999px;
-}
-/* Video Section */
-.video-section {
-    margin-top: 3rem;
-    margin-right: 4.5rem;
-    margin-left: 4.5rem;
-    display: grid;
-    grid-template-columns: 1fr 1fr;
-    gap: 2rem;
-    align-items: start;
+    transition: width 0.5s ease-out;
 }
 
-.video-wrapper {
-    aspect-ratio: 16/9;
+/* Footer */
+.footer {
+    border-top: 1px solid var(--border);
+    background-color: var(--card);
+    margin-top: 4rem;
 }
 
-.video-wrapper iframe {
-    width: 100%;
-    height: 100%;
-    border-radius: var(--radius);
-    box-shadow: 0 4px 12px hsla(0, 0%, 0%, 0.3);
+.footer-text {
+    text-align: center;
+    padding: 1.5rem 0;
+    color: var(--muted-foreground);
 }
 
-.video-text h2 {
-    font-size: 1.875rem;
-    font-weight: 700;
-    margin-bottom: 0.75rem;
+.footer-link {
     color: var(--foreground);
+    text-decoration: underline;
+    transition: color 0.2s;
 }
 
-.video-description {
-    color: var(--muted-foreground);
-    margin-bottom: 1.5rem;
+.footer-link:hover {
+    color: var(--orange);
 }
 
-.tips-list {
+/* Fullscreen Modal */
+.fullscreen-modal {
+    position: fixed;
+    inset: 0;
+    z-index: 100;
+    background-color: var(--background);
     display: flex;
     flex-direction: column;
-    gap: 1rem;
+    animation: fade-in 0.3s ease-out;
 }
 
-.tip-item {
+.fullscreen-header {
     display: flex;
-    align-items: flex-start;
-    gap: 0.75rem;
-}
-
-.tip-icon {
-    font-size: 1.5rem;
+    align-items: center;
+    justify-content: space-between;
+    padding: 1rem;
+    background-color: var(--card);
+    border-bottom: 1px solid var(--border);
+    flex-shrink: 0;
 }
 
-.tip-item h4 {
-    font-weight: 600;
+.fullscreen-title {
+    font-size: 1.125rem;
+    font-weight: 700;
     color: var(--foreground);
-    margin-bottom: 0.25rem;
 }
 
-.tip-item p {
-    font-size: 0.875rem;
-    color: var(--muted-foreground);
+.fullscreen-controls {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
 }
 
-
-/* Footer */
-.footer {
-    border-top: 1px solid var(--border-color);
-    margin-top: 5rem;
-    background: var(--bg-secondary);
+.zoom-level {
+    min-width: 3.75rem;
+    text-align: center;
+    font-weight: 500;
+    color: var(--foreground);
 }
 
-.footer a {
-    color: var(--text-primary);
-    text-decoration: none;
-    transition: text-decoration 0.2s;
+.fullscreen-content {
+    flex: 1;
+    position: relative;
+    overflow: hidden;
+    background-color: var(--secondary);
 }
 
-.footer a:hover {
-    color: var(--accent-orange);
-    text-decoration: underline;
+.fullscreen-image-container {
+    width: 100%;
+    height: 100%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    overflow: hidden;
+    cursor: grab;
 }
 
-.footer-text {
-    text-align: center;
-    padding: 2rem 0;
-    color: var(--text-secondary);
+.fullscreen-image-container:active {
+    cursor: grabbing;
 }
 
-/* Responsive */
-@media (max-width: 768px) {
-    .title {
-        font-size: 1.5rem;
-    }
-
-    .intro-title {
-        font-size: 1.75rem;
-    }
+.fullscreen-image {
+    height: 100%;
+    width: auto;
+    max-width: none;
+    object-fit: contain;
+    user-select: none;
+    transition: transform 0.2s;
+}
 
-    .controls-top {
-        flex-direction: column;
-    }
+.fullscreen-placeholder {
+    position: absolute;
+    inset: 0;
+}
 
-    .indicators {
-        order: 3;
-        width: 100%;
-    }
+.fullscreen-nav {
+    flex-shrink: 0;
+}
 
-    .btn {
-        width: 100%;
-        justify-content: center;
-    }
-    .video-section {
-        grid-template-columns: 1fr;
-        margin-top: 3rem;
-        margin-right: 0rem;
-        margin-left: 0rem;
-    }
+.fullscreen-youtube-mobile {
+    flex-shrink: 0;
 }