:root {
    --bg-start: #0f172a;
    --bg-end: #1e293b;
    --surface: rgba(15, 23, 42, 0.72);
    --surface-strong: #ffffff;
    --surface-soft: rgba(255, 255, 255, 0.08);
    --primary: #38bdf8;
    --primary-strong: #0ea5e9;
    --text: #e2e8f0;
    --text-soft: #94a3b8;
    --border: rgba(148, 163, 184, 0.24);
    --success: #22c55e;
    --danger: #ef4444;
    --shadow: 0 24px 60px rgba(2, 6, 23, 0.38);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: Arial, Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.22), transparent 32%),
        radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.18), transparent 28%),
        linear-gradient(160deg, var(--bg-start), var(--bg-end));
    min-height: 100vh;
    padding: 32px 16px;
}

header {
    display: none;
}

main {
    width: min(100%, 780px);
    margin: 0 auto;
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--surface);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
}

main h1 {
    margin: 0 0 12px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
}

main p {
    margin: 0 0 24px;
    color: var(--text-soft);
    line-height: 1.6;
    max-width: 56ch;
}

#Cep-form {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

#Cep-form label {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
}

#InputCep {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.62);
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

#InputCep::placeholder {
    color: rgba(226, 232, 240, 0.5);
}

#InputCep:focus {
    border-color: rgba(56, 189, 248, 0.9);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.16);
    transform: translateY(-1px);
}

#Cep-form button {
    justify-self: start;
    border: 0;
    border-radius: 999px;
    padding: 14px 22px;
    font-weight: 700;
    color: #082f49;
    background: linear-gradient(135deg, #7dd3fc, var(--primary));
    cursor: pointer;
    box-shadow: 0 14px 28px rgba(14, 165, 233, 0.26);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

#Cep-form button:hover {
    transform: translateY(-1px);
    filter: brightness(1.02);
    box-shadow: 0 16px 32px rgba(14, 165, 233, 0.3);
}

#Cep-form button:active {
    transform: translateY(0);
}

#result {
    margin-top: 8px;
}

.result-card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.result-card--loading,
.result-card--error {
    display: flex;
    align-items: center;
    min-height: 96px;
}

.result-card--error {
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.12);
}

.result-status {
    margin: 0;
    font-weight: 700;
    color: var(--text);
}

.result-header {
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.result-kicker {
    display: inline-flex;
    margin-bottom: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #082f49;
    background: linear-gradient(135deg, #bae6fd, var(--primary));
}

.result-header h2 {
    margin: 0 0 6px;
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    line-height: 1.15;
}

.result-header p {
    margin: 0;
    color: var(--text-soft);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.result-item {
    padding: 16px;
    border-radius: 16px;
    background: var(--surface-soft);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.result-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.result-value {
    display: block;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text);
    word-break: break-word;
}

@media (max-width: 720px) {
    body {
        padding: 16px;
    }

    main {
        padding: 24px 18px;
        border-radius: 20px;
    }

    .result-grid {
        grid-template-columns: 1fr;
    }

    #Cep-form button {
        width: 100%;
        justify-self: stretch;
        text-align: center;
    }
}