:root {
    --background: #f5f7fb;
    --card: #ffffff;
    --text: #172033;
    --muted: #6b7280;
    --border: #dce2ea;
    --primary: #185adb;
    --primary-hover: #1249b8;
    --danger: #b42318;
    --danger-bg: #fff4f2;
    --success: #087443;
    --success-bg: #f0fdf6;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    background: var(--background);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
}

button,
input {
    font: inherit;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        linear-gradient(rgba(24, 90, 219, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 90, 219, 0.025) 1px, transparent 1px),
        var(--background);
    background-size: 32px 32px;
}

.login-card {
    width: min(100%, 420px);
    padding: 38px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--card);
    box-shadow: 0 18px 55px rgba(23, 32, 51, 0.1);
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-bottom: 36px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: var(--primary);
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
}

.brand strong {
    display: block;
    font-size: 14px;
}

.brand small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 11px;
}

h1 {
    margin: 0 0 27px;
    font-size: 30px;
    letter-spacing: -0.03em;
}

form {
    display: grid;
    gap: 9px;
}

label {
    margin-top: 8px;
    color: #384152;
    font-size: 12px;
    font-weight: 600;
}

input {
    width: 100%;
    height: 50px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 9px;
    outline: none;
    background: #ffffff;
    color: var(--text);
}

input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(24, 90, 219, 0.11);
}

button {
    height: 50px;
    margin-top: 17px;
    border: 0;
    border-radius: 9px;
    background: var(--primary);
    color: #ffffff;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

button:hover {
    background: var(--primary-hover);
}

button:active {
    transform: translateY(1px);
}

.error {
    margin: -8px 0 18px;
    padding: 12px 14px;
    border: 1px solid #f3c7c2;
    border-radius: 8px;
    background: var(--danger-bg);
    color: var(--danger);
    font-size: 12px;
}

.success {
    text-align: center;
}

.success-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: var(--success-bg);
    color: var(--success);
    font-size: 26px;
    font-weight: 700;
}

.success h1 {
    margin-bottom: 22px;
}

.flag {
    margin: 0;
    padding: 17px;
    border: 1px dashed #35a26f;
    border-radius: 9px;
    background: var(--success-bg);
    color: var(--success);
    font-family: "Courier New", Courier, monospace;
    font-size: 13px;
    font-weight: 700;
    overflow-wrap: anywhere;
}

@media (max-width: 520px) {
    .login-card {
        padding: 30px 23px;
    }
}