:root {
    --bg-main: #f4f6fb;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-input: #f1f3f9;
    --border: rgba(0, 0, 0, 0.08);

    --text-main: #1c1f2b;
    --text-soft: #5c6275;
    --text-muted: #8c91a3;

    --brand-navy: #1e2340;
    --brand-red: #8f2f45;
    --brand-red-2: #c34d63;

    --danger: #e5484d;

    --shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    --radius: 20px;
}

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

body {
    min-height: 100vh;
    font-family: 'Montserrat', sans-serif;
    background:
        radial-gradient(circle at top left, rgba(195, 77, 99, 0.12), transparent 35%),
        radial-gradient(circle at bottom right, rgba(30, 35, 64, 0.10), transparent 40%),
        linear-gradient(135deg, #f7f9ff 0%, #eef1f8 100%);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-wrapper {
    width: 100%;
    max-width: 460px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px 32px;
}

.logo {
    display: block;
    width: 210px;
    max-width: 100%;
    margin: 0 auto 24px auto;
}

.brand-block {
    text-align: center;
    margin-bottom: 28px;
}

.subtitle {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--brand-red-2);
    margin-bottom: 10px;
}

.brand-block h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--brand-navy);
    margin-bottom: 8px;
}

.description {
    font-size: 14px;
    color: var(--text-soft);
}

/* ERROR BOX */
.alert-error {
    background: #fff1f2;
    color: var(--danger);
    border: 1px solid #ffd6d8;
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
}

/* FORM */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.input-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-soft);
    margin-bottom: 6px;
    display: block;
}

.input-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0 14px;
    transition: 0.2s;
}

.input-box:focus-within {
    border-color: var(--brand-red-2);
    box-shadow: 0 0 0 3px rgba(195, 77, 99, 0.15);
    background: #ffffff;
}

.input-box i {
    color: var(--brand-red);
    font-size: 14px;
}

.input-box input {
    width: 100%;
    height: 50px;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
    color: var(--text-main);
}

.input-box input::placeholder {
    color: var(--text-muted);
}

/* BUTTON */
.login-btn {
    margin-top: 6px;
    height: 50px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--brand-red), var(--brand-red-2));
    box-shadow: 0 10px 20px rgba(195, 77, 99, 0.25);
    transition: 0.2s;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 24px rgba(195, 77, 99, 0.35);
}

.login-btn:active {
    transform: translateY(0);
}

/* MOBILE */
@media (max-width: 520px) {
    .login-card {
        padding: 26px 20px;
    }

    .brand-block h1 {
        font-size: 22px;
    }

    .logo {
        width: 170px;
    }
}