:root
{
    --font-sans: sans-serif;
    --color-bg: #f7f7f8;
    --color-surface: #ffffff;
    --color-text: #111111;
    --color-text-muted: #737373;
    --color-border: #e4e4e7;
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-accent: #4f46e5;
    --color-accent-hover: #4338ca;
    --color-accent-light: #eef2ff;
    --color-error: #dc2626;
    --radius: 8px;
}

*
{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html
{
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body
{
    width: 100%;
    height: 100%;
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow: hidden;
}

main
{
    width: 100%;
}

.form
{
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
}

.btn-primary
{
    display: inline-block;
    padding: 10px;
    background: var(--color-accent);
    color: #ffffff;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    font-weight: 500;
    letter-spacing: 0.01em;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.3);
    transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
}

.btn-primary:hover
{
    background: var(--color-accent-hover);
    box-shadow: 0 3px 8px rgba(79, 70, 229, 0.35);
}

.btn-primary:active
{
    transform: translateY(1px);
    box-shadow: none;
}

.btn-primary:disabled
{
    background: var(--color-text-muted);
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.6;
}

.form .btn-primary
{
    width: 100%;
    margin-top: 8px;
}

.form .input
{
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-surface);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form .input::placeholder
{
    color: #c0c0c8;
}

.form .input:focus
{
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form .textarea
{
    width: 100%;
    height: 350px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-surface);
    outline: none;
    resize: vertical;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form .textarea::placeholder
{
    color: #c0c0c8;
}

.form .textarea:focus
{
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}