@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --bg1: #eef6ff;
    --bg2: #dcecff;
    --panel: rgba(255, 255, 255, 0.9);
    --blue: #1f5fae;
    --blue-dark: #123d73;
    --blue-soft: #6fa6e8;
    --line: #4d8fdb;
    --text: #1a2f4d;
    --muted: #4f6f92;
    --shadow: 0 18px 50px rgba(20, 71, 132, 0.16);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    color: var(--text);
    background:
        radial-gradient(circle at top left, #f7fbff 0%, transparent 32%),
        linear-gradient(135deg, var(--bg1), var(--bg2));
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 48px 24px;
}

.container {
    width: 100%;
    max-width: 1100px;
    background: var(--panel);
    backdrop-filter: blur(8px);
    border-radius: 28px;
    box-shadow: var(--shadow);
    padding: 40px 48px;
}

h1 {
    margin: 0 0 36px 0;
    color: var(--blue-dark);
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.form-grid {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.row {
    display: grid;
    grid-template-columns: 220px 1fr 1fr auto;
    gap: 20px;
    align-items: end;
}

label {
    font-weight: 600;
    color: var(--blue);
    padding-bottom: 8px;
}

input,
select {
    width: 100%;
    font-family: inherit;
    font-size: 24px;
    color: var(--text);
    padding: 10px 4px;
    border: none;
    border-bottom: 2px solid var(--blue-soft);
    background: transparent;
    outline: none;
    transition: border-color 0.2s ease;
    border-radius: 0;
}

input:focus,
select:focus {
    border-bottom-color: var(--blue);
    box-shadow: none;
}

input::placeholder {
    color: #7f9fc4;
}

button {
    font-family: inherit;
    font-size: 24px;
    font-weight: 700;
    padding: 14px 24px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    background: linear-gradient(135deg, #3b82d6, #1f5fae);
    color: white;
    box-shadow: 0 10px 24px rgba(31, 95, 174, 0.24);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    white-space: nowrap;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(31, 95, 174, 0.28);
}

button:active {
    transform: translateY(0);
}

.button-row {
    margin-top: 36px;
}

.status {
    margin-top: 28px;
    padding: 20px 24px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(204, 227, 255, 0.7), rgba(232, 243, 255, 0.95));
    color: var(--muted);
    white-space: pre-wrap;
    font-size: 22px;
    border: 1px solid rgba(77, 143, 219, 0.18);
}

.span-2 {
    grid-column: span 2;
}

.span-3 {
    grid-column: span 3;
}

@media (max-width: 900px) {
    body {
        padding: 20px;
    }

    .container {
        padding: 28px 24px;
    }

    .row {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    h1 {
        font-size: 30px;
    }

    input,
    select,
    button {
        font-size: 20px;
    }

    .status {
        font-size: 18px;
    }

    .span-4 {
        grid-column: span 4;
    }

    .secondary {
        background: linear-gradient(135deg, #9bbce5, #6fa6e8);
        box-shadow: none;
    }

    .secondary:hover {
        background: linear-gradient(135deg, #7fa9da, #4d8fdb);
    }
}