:root {
    --primary: #005f73;
    --primary-hover: #0a9396;
    --bg: #04293a;
    --card-bg: #064663;
    --text: #ffffff;
    --text-light: #94bbe9;
    --border: #125b7c;
    --item-bg: #04293a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.container {
    background: var(--card-bg);
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
}

h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.input-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--text-light);
}

input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    background-color: var(--bg);
    color: var(--text);
    border-radius: 0.5rem;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus {
    border-color: var(--primary-hover);
}

button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary-hover);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 0.5rem;
}

button:hover {
    background-color: #94d2bd;
    color: #005f73;
}

.hidden {
    display: none;
}

#resultContainer {
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

#resultContainer h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.result-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--item-bg);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.result-item .label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.result-item .value {
    font-weight: 600;
    font-family: monospace;
    color: var(--text);
}