:root {
    --bg: #0b1020;
    --surface: #151c30;
    --surface-2: #1d2740;
    --text: #f4f7ff;
    --muted: #97a3bd;
    --accent: #4d8dff;
    --accent-soft: rgba(77, 141, 255, 0.16);
    --border: rgba(255, 255, 255, 0.09);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    padding: 24px 16px 110px;
    background:
        radial-gradient(circle at top right, #21396c 0, transparent 35%),
        var(--bg);
    color: var(--text);
    font-family: Arial, sans-serif;
}

.app {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
}

h1 {
    margin: 0;
    font-size: 30px;
    letter-spacing: -0.7px;
}

p {
    margin: 8px 0 20px;
    color: var(--muted);
    line-height: 1.45;
}

button {
    border: 0;
    font: inherit;
    cursor: pointer;
}

#catalogButton {
    height: auto;
    padding: 9px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: #bcd3ff;
    font-size: 14px;
}

#products {
    margin-top: 20px;
}

#products > div {
    margin-top: 12px !important;
    padding: 18px !important;
    border: 1px solid var(--border) !important;
    border-radius: 20px !important;
    background: linear-gradient(145deg, var(--surface-2), var(--surface)) !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
}

#products > div > div:nth-child(1) {
    font-size: 19px !important;
    letter-spacing: -0.2px;
}

#products > div > div:nth-child(2) {
    color: var(--muted);
    line-height: 1.45;
}

#products > div > div:nth-child(3) {
    font-size: 17px;
}

#products button {
    height: 48px;
    border-radius: 13px !important;
    background: linear-gradient(135deg, #5798ff, #3975e7) !important;
    box-shadow: 0 8px 18px rgba(57, 117, 231, 0.28);
    font-weight: 700;
}

#bottomNav {
    position: fixed;
    z-index: 10;
    left: 12px;
    right: 12px;
    bottom: 12px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    max-width: 596px;
    margin: 0 auto;
    padding: 7px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(21, 28, 48, 0.92);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(16px);
}

#bottomNav button {
    min-height: 52px;
    padding: 7px 4px;
    border-radius: 14px;
    background: transparent;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
}

#bottomNav #catalogTab {
    background: var(--accent-soft);
    color: #dbe8ff;
}:root {
    --bg: #0b1020;
    --surface: #151c30;
    --surface-2: #1d2740;
    --text: #f4f7ff;
    --muted: #97a3bd;
    --accent: #4d8dff;
    --accent-soft: rgba(77, 141, 255, 0.16);
    --border: rgba(255, 255, 255, 0.09);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    padding: 24px 16px 110px;
    background:
        radial-gradient(circle at top right, #21396c 0, transparent 35%),
        var(--bg);
    color: var(--text);
    font-family: Arial, sans-serif;
}

.app {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
}

h1 {
    margin: 0;
    font-size: 30px;
    letter-spacing: -0.7px;
}

p {
    margin: 8px 0 20px;
    color: var(--muted);
    line-height: 1.45;
}

button {
    border: 0;
    font: inherit;
    cursor: pointer;
}

#catalogButton {
    height: auto;
    padding: 9px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: #bcd3ff;
    font-size: 14px;
}

#products {
    margin-top: 20px;
}

#products > div {
    margin-top: 12px !important;
    padding: 18px !important;
    border: 1px solid var(--border) !important;
    border-radius: 20px !important;
    background: linear-gradient(145deg, var(--surface-2), var(--surface)) !important;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
}

#products > div > div:nth-child(1) {
    font-size: 19px !important;
    letter-spacing: -0.2px;
}

#products > div > div:nth-child(2) {
    color: var(--muted);
    line-height: 1.45;
}

#products > div > div:nth-child(3) {
    font-size: 17px;
}

#products button {
    height: 48px;
    border-radius: 13px !important;
    background: linear-gradient(135deg, #5798ff, #3975e7) !important;
    box-shadow: 0 8px 18px rgba(57, 117, 231, 0.28);
    font-weight: 700;
}

#bottomNav {
    position: fixed;
    z-index: 10;
    left: 12px;
    right: 12px;
    bottom: 12px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    max-width: 596px;
    margin: 0 auto;
    padding: 7px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(21, 28, 48, 0.92);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(16px);
}

#bottomNav button {
    min-height: 52px;
    padding: 7px 4px;
    border-radius: 14px;
    background: transparent;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
}

#bottomNav #catalogTab {
    background: var(--accent-soft);
    color: #dbe8ff;
}