diff --git a/assets/css/custom.css b/assets/css/custom.css
index 024b070..642bd03 100644
--- a/assets/css/custom.css
+++ b/assets/css/custom.css
@@ -1,26 +1,28 @@
 :root {
-    --bg: #f6f8fa;
-    --surface: #ffffff;
-    --surface-muted: #f6f8fa;
-    --surface-soft: #fafff8;
-    --border: #d0d7de;
-    --border-strong: #8c959f;
+    --bg: #f3f6fb;
+    --surface: rgba(255, 255, 255, 0.84);
+    --surface-strong: rgba(255, 255, 255, 0.94);
+    --surface-muted: #f7fafd;
+    --surface-soft: #f2fbf5;
+    --border: rgba(31, 35, 40, 0.10);
+    --border-strong: rgba(31, 35, 40, 0.22);
     --text: #1f2328;
-    --text-muted: #57606a;
-    --text-soft: #6e7781;
+    --text-muted: #5b6573;
+    --text-soft: #7b8490;
     --accent: #2da44e;
     --accent-dark: #1f883d;
     --accent-contrast: #ffffff;
     --accent-blue: #0969da;
-    --accent-blue-soft: #ddf4ff;
-    --nav-bg: #0d1117;
+    --accent-blue-soft: #e8f3ff;
+    --nav-bg: rgba(13, 17, 23, 0.84);
     --nav-text: #f0f6fc;
     --success: #1a7f37;
     --danger: #cf222e;
-    --shadow: 0 1px 0 rgba(27, 31, 36, 0.04), 0 8px 24px rgba(140, 149, 159, 0.18);
-    --radius-sm: 10px;
-    --radius-md: 14px;
-    --radius-lg: 18px;
+    --shadow: 0 1px 0 rgba(15, 23, 42, 0.04), 0 12px 32px rgba(15, 23, 42, 0.08);
+    --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.08);
+    --radius-sm: 12px;
+    --radius-md: 18px;
+    --radius-lg: 24px;
 }
 
 html {
@@ -28,41 +30,66 @@ html {
 }
 
 body {
+    min-height: 100vh;
     background:
-        radial-gradient(circle at top left, rgba(45, 164, 78, 0.08), transparent 26%),
-        radial-gradient(circle at top right, rgba(9, 105, 218, 0.08), transparent 22%),
-        var(--bg);
+        radial-gradient(circle at top left, rgba(45, 164, 78, 0.10), transparent 24%),
+        radial-gradient(circle at top right, rgba(9, 105, 218, 0.12), transparent 20%),
+        radial-gradient(circle at 50% 100%, rgba(255, 193, 7, 0.08), transparent 26%),
+        linear-gradient(180deg, #f8fbff 0%, #f3f6fb 52%, #eef3f8 100%);
     color: var(--text);
     font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
     text-rendering: optimizeLegibility;
 }
 
+main.container-xxl {
+    position: relative;
+}
+
+main.container-xxl::before {
+    content: '';
+    position: fixed;
+    inset: auto auto -12rem -12rem;
+    width: 24rem;
+    height: 24rem;
+    background: radial-gradient(circle, rgba(9, 105, 218, 0.10), transparent 70%);
+    pointer-events: none;
+    filter: blur(20px);
+    z-index: 0;
+}
+
+main.container-xxl > * {
+    position: relative;
+    z-index: 1;
+}
+
 .app-header {
-    background: rgba(13, 17, 23, 0.92);
-    backdrop-filter: blur(12px);
-    border-bottom-color: rgba(240, 246, 252, 0.08) !important;
+    background: var(--nav-bg);
+    backdrop-filter: blur(16px) saturate(150%);
+    -webkit-backdrop-filter: blur(16px) saturate(150%);
+    border-bottom-color: rgba(240, 246, 252, 0.10) !important;
+    box-shadow: 0 10px 34px rgba(13, 17, 23, 0.12);
 }
 
 .navbar {
-    min-height: 72px;
+    min-height: 74px;
 }
 
 .brand-mark {
-    width: 36px;
-    height: 36px;
-    border-radius: 11px;
+    width: 40px;
+    height: 40px;
+    border-radius: 14px;
     display: inline-flex;
     align-items: center;
     justify-content: center;
     background: linear-gradient(135deg, var(--accent) 0%, var(--accent-blue) 100%);
     color: var(--accent-contrast);
     font-size: 1rem;
-    box-shadow: 0 10px 22px rgba(9, 105, 218, 0.22);
+    box-shadow: 0 14px 30px rgba(9, 105, 218, 0.28);
 }
 
 .brand-title {
     color: var(--nav-text);
-    font-size: 0.96rem;
+    font-size: 0.98rem;
     font-weight: 700;
     letter-spacing: -0.02em;
     line-height: 1.1;
@@ -70,29 +97,53 @@ body {
 
 .brand-subtitle {
     color: rgba(240, 246, 252, 0.72);
-    font-size: 0.76rem;
+    font-size: 0.77rem;
     line-height: 1.2;
 }
 
 .panel {
-    background: rgba(255, 255, 255, 0.94);
+    position: relative;
+    overflow: hidden;
+    background: linear-gradient(180deg, var(--surface-strong) 0%, rgba(255, 255, 255, 0.78) 100%);
     border: 1px solid var(--border);
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow);
-    padding: 1.25rem;
+    backdrop-filter: blur(18px);
+    -webkit-backdrop-filter: blur(18px);
+    padding: 1.35rem;
+}
+
+.panel::after {
+    content: '';
+    position: absolute;
+    inset: 0;
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 36%);
+    pointer-events: none;
+}
+
+.panel > * {
+    position: relative;
+    z-index: 1;
 }
 
 .panel-hero {
-    padding: 1.5rem;
+    padding: 1.6rem;
 }
 
 .eyebrow {
-    color: var(--text-muted);
+    display: inline-flex;
+    align-items: center;
+    gap: 0.45rem;
+    color: var(--accent-blue);
+    background: rgba(9, 105, 218, 0.08);
+    border: 1px solid rgba(9, 105, 218, 0.12);
+    border-radius: 999px;
+    padding: 0.38rem 0.7rem;
     text-transform: uppercase;
     letter-spacing: 0.08em;
-    font-size: 0.71rem;
+    font-size: 0.70rem;
     font-weight: 700;
-    margin-bottom: 0.85rem;
+    margin-bottom: 0.95rem;
 }
 
 .hero-title,
@@ -119,25 +170,29 @@ body {
     display: inline-flex;
     align-items: center;
     gap: 0.4rem;
-    padding: 0.42rem 0.7rem;
+    padding: 0.46rem 0.78rem;
     border-radius: 999px;
     font-size: 0.78rem;
-    font-weight: 600;
+    font-weight: 650;
     border: 1px solid var(--border);
-    background: var(--surface-muted);
+    background: rgba(247, 250, 253, 0.92);
     color: var(--text);
-}
-
-.stat-card {
-    display: flex;
-    flex-direction: column;
-    justify-content: space-between;
-    min-height: 100%;
+    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
 }
 
 .stat-card {
     position: relative;
-    overflow: hidden;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+    min-height: 100%;
+    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
+}
+
+.stat-card:hover {
+    transform: translateY(-2px);
+    box-shadow: var(--shadow-soft);
+    border-color: rgba(9, 105, 218, 0.16);
 }
 
 .stat-card::before {
@@ -149,6 +204,34 @@ body {
     background: linear-gradient(90deg, var(--accent), var(--accent-blue));
 }
 
+.stat-card::after {
+    content: '';
+    position: absolute;
+    top: -2rem;
+    right: -2rem;
+    width: 8rem;
+    height: 8rem;
+    border-radius: 50%;
+    background: radial-gradient(circle, rgba(9, 105, 218, 0.12), transparent 70%);
+    pointer-events: none;
+}
+
+.stat-card-total {
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(240, 247, 255, 0.88) 100%);
+}
+
+.stat-card-active {
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(237, 245, 255, 0.90) 100%);
+}
+
+.stat-card-done {
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(239, 251, 243, 0.90) 100%);
+}
+
+.stat-card-urgent {
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 247, 236, 0.90) 100%);
+}
+
 .stat-card-active::before {
     background: linear-gradient(90deg, var(--accent-blue), #54aeff);
 }
@@ -165,7 +248,8 @@ body {
 .stat-note,
 .detail-label,
 .task-meta,
-.form-text {
+.form-text,
+.form-label {
     color: var(--text-muted);
 }
 
@@ -178,14 +262,14 @@ body {
 }
 
 .stat-value {
-    font-size: clamp(1.8rem, 3vw, 2.35rem);
+    font-size: clamp(2rem, 3vw, 2.55rem);
     line-height: 1;
-    letter-spacing: -0.05em;
-    margin: 0.5rem 0 0.35rem;
+    letter-spacing: -0.06em;
+    margin: 0.75rem 0 0.42rem;
 }
 
 .stat-note {
-    font-size: 0.85rem;
+    font-size: 0.86rem;
 }
 
 .panel-header {
@@ -193,7 +277,9 @@ body {
     align-items: center;
     justify-content: space-between;
     gap: 1rem;
-    margin-bottom: 1rem;
+    margin-bottom: 1.1rem;
+    padding-bottom: 0.95rem;
+    border-bottom: 1px solid rgba(31, 35, 40, 0.08);
 }
 
 .panel-header-stack {
@@ -201,8 +287,14 @@ body {
 }
 
 .panel-title {
-    font-size: 1.15rem;
-    font-weight: 700;
+    font-size: 1.18rem;
+    font-weight: 750;
+}
+
+.form-label {
+    font-size: 0.86rem;
+    font-weight: 650;
+    margin-bottom: 0.45rem;
 }
 
 .form-control,
@@ -216,26 +308,52 @@ body {
 .form-control,
 .form-select,
 .input-group-text {
-    border-color: var(--border);
-    min-height: 46px;
-    background: #fff;
+    border-color: rgba(31, 35, 40, 0.10);
+    min-height: 48px;
+    background: rgba(255, 255, 255, 0.78);
+    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
+}
+
+.form-control::placeholder,
+.form-select::placeholder {
+    color: #97a0ab;
+}
+
+.form-control:hover,
+.form-select:hover {
+    border-color: rgba(9, 105, 218, 0.20);
 }
 
 .form-control:focus,
 .form-select:focus {
-    border-color: var(--accent-blue);
-    box-shadow: 0 0 0 0.2rem rgba(9, 105, 218, 0.14);
+    border-color: rgba(9, 105, 218, 0.45);
+    background: #ffffff;
+    box-shadow: 0 0 0 0.24rem rgba(9, 105, 218, 0.11);
+}
+
+textarea.form-control {
+    min-height: 124px;
+    resize: vertical;
 }
 
 .btn {
-    font-weight: 600;
+    min-height: 44px;
+    font-weight: 650;
+    letter-spacing: -0.01em;
     box-shadow: none !important;
+    transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
+}
+
+.btn:hover,
+.btn:focus {
+    transform: translateY(-1px);
 }
 
 .btn-dark {
     background: linear-gradient(180deg, #3fb950 0%, var(--accent) 100%);
     border-color: var(--accent-dark);
     color: var(--accent-contrast);
+    box-shadow: 0 12px 24px rgba(45, 164, 78, 0.18) !important;
 }
 
 .btn-dark:hover,
@@ -243,18 +361,19 @@ body {
     background: linear-gradient(180deg, #2ea043 0%, var(--accent-dark) 100%);
     border-color: #1a7f37;
     color: var(--accent-contrast);
+    box-shadow: 0 16px 28px rgba(31, 136, 61, 0.24) !important;
 }
 
 .btn-light {
-    background: #f6f8fa;
-    border-color: var(--border);
+    background: rgba(246, 248, 250, 0.92);
+    border-color: rgba(31, 35, 40, 0.10);
     color: var(--text);
 }
 
 .btn-light:hover,
 .btn-light:focus {
-    background: #eef2f6;
-    border-color: var(--border-strong);
+    background: #ffffff;
+    border-color: rgba(9, 105, 218, 0.16);
     color: var(--text);
 }
 
@@ -264,21 +383,23 @@ body {
 }
 
 .btn-filter {
-    border: 1px solid var(--border);
-    background: var(--surface-muted);
+    border: 1px solid rgba(31, 35, 40, 0.10);
+    background: rgba(247, 250, 253, 0.88);
     color: var(--text);
-    padding-inline: 0.9rem;
+    padding-inline: 0.95rem;
 }
 
 .btn-filter:hover {
-    border-color: var(--accent-blue);
+    border-color: rgba(9, 105, 218, 0.22);
     color: var(--accent-blue);
+    background: #ffffff;
 }
 
 .btn-check:checked + .btn-filter {
     background: var(--accent-blue-soft);
     color: var(--accent-blue);
-    border-color: #b6e3ff;
+    border-color: rgba(9, 105, 218, 0.24);
+    box-shadow: inset 0 0 0 1px rgba(9, 105, 218, 0.08);
 }
 
 .sort-select {
@@ -286,6 +407,8 @@ body {
 }
 
 .task-list {
+    display: grid;
+    gap: 0.85rem;
     max-height: 70vh;
     overflow: auto;
     padding-right: 0.25rem;
@@ -293,61 +416,83 @@ body {
 
 .task-item {
     position: relative;
-    border: 1px solid var(--border);
+    border: 1px solid rgba(31, 35, 40, 0.08);
     border-radius: var(--radius-md);
-    padding: 1rem;
-    background: #fff;
+    padding: 1.05rem;
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(250, 252, 255, 0.88) 100%);
     cursor: pointer;
     transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
 }
 
+.task-item::before {
+    content: '';
+    position: absolute;
+    inset: 0 auto 0 0;
+    width: 0;
+    border-radius: inherit;
+    background: linear-gradient(180deg, var(--accent-blue), #54aeff);
+    transition: width 0.18s ease;
+}
+
+.task-item > * {
+    position: relative;
+    z-index: 1;
+}
+
 .task-item:focus-visible {
     outline: none;
-    border-color: var(--accent-blue);
-    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.16);
+    border-color: rgba(9, 105, 218, 0.36);
+    box-shadow: 0 0 0 4px rgba(9, 105, 218, 0.12);
 }
 
 .task-item:hover {
-    border-color: var(--accent-blue);
-    box-shadow: 0 12px 24px rgba(9, 105, 218, 0.08);
-    background: #fbfdff;
-    transform: translateY(-1px);
+    border-color: rgba(9, 105, 218, 0.24);
+    box-shadow: 0 18px 34px rgba(9, 105, 218, 0.10);
+    background: #ffffff;
+    transform: translateY(-2px);
+}
+
+.task-item:hover::before,
+.task-item-active::before {
+    width: 4px;
 }
 
 .task-item-active {
-    border-color: var(--accent-blue);
-    box-shadow: inset 3px 0 0 var(--accent-blue), 0 0 0 1px rgba(9, 105, 218, 0.08);
-    background: #f9fcff;
+    border-color: rgba(9, 105, 218, 0.30);
+    box-shadow: 0 20px 38px rgba(9, 105, 218, 0.12);
+    background: linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%);
 }
 
 .task-item-done {
-    background: #f6fff8;
+    background: linear-gradient(180deg, rgba(246, 255, 248, 0.94) 0%, rgba(239, 251, 243, 0.90) 100%);
 }
 
 .check-button {
-    width: 38px;
-    height: 38px;
+    width: 40px;
+    height: 40px;
     border-radius: 50%;
-    border: 1px solid var(--border);
-    background: #fff;
+    border: 1px solid rgba(31, 35, 40, 0.10);
+    background: rgba(255, 255, 255, 0.94);
     color: var(--text-muted);
     display: inline-flex;
     align-items: center;
     justify-content: center;
     font-size: 1.05rem;
+    transition: all 0.18s ease;
 }
 
 .check-button:hover {
-    border-color: var(--accent);
+    border-color: rgba(45, 164, 78, 0.24);
     color: var(--accent);
-    background: #f6fff8;
+    background: #ffffff;
+    transform: scale(1.03);
 }
 
 .task-title-link {
     font-weight: 700;
     color: var(--text);
     text-decoration: none;
-    font-size: 0.97rem;
+    font-size: 1rem;
 }
 
 .task-title-link:hover {
@@ -357,16 +502,16 @@ body {
 .task-snippet,
 .detail-description {
     color: var(--text-muted);
-    line-height: 1.55;
+    line-height: 1.58;
 }
 
 .task-item-done .task-title-link,
 .task-item-done .task-snippet {
-    opacity: 0.72;
+    opacity: 0.74;
 }
 
 .task-meta {
-    font-size: 0.78rem;
+    font-size: 0.79rem;
 }
 
 .priority-high,
@@ -374,37 +519,37 @@ body {
 .priority-low,
 .status-active,
 .status-done {
-    border: 1px solid var(--border);
+    border: 1px solid rgba(31, 35, 40, 0.08);
 }
 
 .priority-high {
-    background: #fef2f2;
-    color: #991b1b;
-    border-color: #fecaca;
+    background: #fff1f1;
+    color: #ae2a19;
+    border-color: rgba(207, 34, 46, 0.18);
 }
 
 .priority-medium {
-    background: #fff8c5;
+    background: #fff9db;
     color: #9a6700;
-    border-color: #eedb85;
+    border-color: rgba(154, 103, 0, 0.16);
 }
 
 .priority-low {
-    background: #dafbe1;
+    background: #ddfbe6;
     color: #1a7f37;
-    border-color: #aceebb;
+    border-color: rgba(26, 127, 55, 0.16);
 }
 
 .status-active {
     background: var(--accent-blue-soft);
     color: var(--accent-blue);
-    border-color: #b6e3ff;
+    border-color: rgba(9, 105, 218, 0.16);
 }
 
 .status-done {
-    background: #dafbe1;
+    background: #ddfbe6;
     color: var(--success);
-    border-color: #aceebb;
+    border-color: rgba(26, 127, 55, 0.16);
 }
 
 .icon-button {
@@ -419,6 +564,7 @@ body {
 .detail-panel {
     display: flex;
     flex-direction: column;
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(244, 248, 253, 0.90) 100%);
 }
 
 .detail-stack {
@@ -426,46 +572,48 @@ body {
 }
 
 .detail-title {
-    font-size: 1.35rem;
-    margin-bottom: 0.7rem;
+    font-size: 1.4rem;
+    margin-bottom: 0.75rem;
 }
 
 .detail-block {
-    padding: 0.9rem 1rem;
-    border: 1px solid var(--border);
+    padding: 1rem 1.05rem;
+    border: 1px solid rgba(31, 35, 40, 0.08);
     border-radius: var(--radius-md);
-    background: linear-gradient(180deg, #ffffff 0%, #f6f8fa 100%);
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(247, 250, 253, 0.88) 100%);
+    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
 }
 
 .detail-value {
-    margin-top: 0.3rem;
-    font-weight: 600;
+    margin-top: 0.34rem;
+    font-weight: 650;
 }
 
 .empty-state {
-    border: 1px dashed var(--border-strong);
+    border: 1px dashed rgba(31, 35, 40, 0.16);
     border-radius: var(--radius-md);
-    background: linear-gradient(180deg, #ffffff 0%, #f6f8fa 100%);
-    padding: 1.25rem;
+    background: linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(244, 248, 253, 0.86) 100%);
+    padding: 1.5rem;
 }
 
 .empty-icon {
-    width: 54px;
-    height: 54px;
+    width: 60px;
+    height: 60px;
     margin-inline: auto;
-    border-radius: 50%;
-    background: #fff;
-    border: 1px solid var(--border);
+    border-radius: 18px;
+    background: linear-gradient(180deg, #ffffff 0%, #f3f7fb 100%);
+    border: 1px solid rgba(31, 35, 40, 0.08);
     display: inline-flex;
     align-items: center;
     justify-content: center;
-    font-size: 1.35rem;
-    color: var(--text-muted);
+    font-size: 1.45rem;
+    color: var(--accent-blue);
+    box-shadow: 0 12px 28px rgba(9, 105, 218, 0.10);
 }
 
 .toast {
-    border-radius: 12px;
-    box-shadow: 0 18px 36px rgba(13, 17, 23, 0.16);
+    border-radius: 14px;
+    box-shadow: 0 20px 42px rgba(13, 17, 23, 0.18);
 }
 
 .stretched-link-reset {
@@ -484,7 +632,7 @@ body {
 }
 
 ::-webkit-scrollbar-thumb {
-    background: #d4d4d8;
+    background: rgba(123, 132, 144, 0.45);
     border-radius: 999px;
     border: 2px solid transparent;
     background-clip: padding-box;
@@ -494,6 +642,14 @@ body {
     background: transparent;
 }
 
+@media (min-width: 1200px) {
+    #task-form,
+    .detail-panel {
+        position: sticky;
+        top: 92px;
+    }
+}
+
 @media (max-width: 1199.98px) {
     .task-list {
         max-height: none;
@@ -518,10 +674,10 @@ body {
     .sort-select {
         width: 100%;
     }
-}
 
-.detail-panel {
-    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(246, 248, 250, 0.98) 100%);
+    .stat-value {
+        font-size: 1.85rem;
+    }
 }
 
 .navbar .btn-dark {
@@ -529,8 +685,9 @@ body {
 }
 
 .btn-outline-danger {
-    border-color: rgba(207, 34, 46, 0.28);
+    border-color: rgba(207, 34, 46, 0.22);
     color: var(--danger);
+    background: rgba(255, 255, 255, 0.82);
 }
 
 .btn-outline-danger:hover,