:root {
    --red: #ee3124;
    --red-dark: #ca2419;
    --ink: #1d2939;
    --muted: #667085;
    --line: #d0d5dd;
    --paper: #ffffff;
    --wash: #f2f4f7;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    color: var(--ink);
    background: var(--wash);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
    font: inherit;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.login-page {
    min-height: 100vh;
    padding: 1.25rem;
    display: grid;
    place-items: center;
    background: var(--wash);
}

.login-card {
    width: min(420px, 100%);
    padding: clamp(2rem, 7vw, 3rem);
    border: 1px solid #e4e7ec;
    border-radius: 1.25rem;
    background: var(--paper);
    box-shadow: 0 20px 55px rgba(16, 24, 40, .12);
}

.login-logo {
    width: min(270px, 100%);
    height: auto;
    margin: 0 auto 2.25rem;
    display: block;
}

.login-alert {
    margin-bottom: 1.35rem;
    padding: .85rem 1rem;
    display: flex;
    gap: .7rem;
    align-items: flex-start;
    border: 1px solid #f3b7ba;
    border-radius: .7rem;
    color: #8b151a;
    background: #fff1f2;
}

.login-alert > span {
    width: 1.3rem;
    height: 1.3rem;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 50%;
    color: #fff;
    background: var(--red);
    font-size: .75rem;
    font-weight: 800;
}

.login-alert p {
    margin: 0;
    font-size: .9rem;
    line-height: 1.45;
}

.login-form label {
    display: block;
    margin: 1rem 0 .45rem;
    color: #344054;
    font-size: .82rem;
    font-weight: 700;
}

.login-form input {
    width: 100%;
    height: 3.2rem;
    padding: 0 .95rem;
    border: 1px solid var(--line);
    border-radius: .7rem;
    outline: 0;
    color: var(--ink);
    background: #fff;
    transition: border-color .18s, box-shadow .18s;
}

.login-form input:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 4px rgba(238, 49, 36, .1);
}

.login-submit {
    width: 100%;
    margin-top: 1.6rem;
    padding: .9rem 1.1rem;
    border: 0;
    border-radius: .7rem;
    color: #fff;
    background: var(--red);
    font-weight: 750;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(238, 49, 36, .22);
    transition: transform .16s, background .16s, box-shadow .16s;
}

.login-submit:hover {
    background: var(--red-dark);
    box-shadow: 0 10px 24px rgba(238, 49, 36, .28);
    transform: translateY(-1px);
}

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

.app-page {
    min-height: 100vh;
    background: #edf2f6;
}

.app-header {
    min-height: 72px;
    padding: .8rem clamp(1rem, 4vw, 3rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    background: #fff;
}

.header-logo {
    display: inline-flex;
    align-items: center;
}

.header-logo img {
    width: 150px;
    height: auto;
    display: block;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-user {
    color: var(--muted);
    font-size: .9rem;
    font-weight: 650;
}

.logout-button {
    padding: .65rem 1rem;
    border: 1px solid var(--line);
    border-radius: .65rem;
    color: var(--ink);
    background: #fff;
    font-weight: 700;
    cursor: pointer;
}

.app-content {
    min-height: calc(100vh - 72px);
    padding: clamp(1rem, 6vw, 5rem);
    display: grid;
    place-items: center;
}

.transport-card {
    width: min(680px, 100%);
    padding: clamp(2rem, 5vw, 4rem);
    border-radius: 1.5rem;
    background: #fff;
    box-shadow: 0 18px 55px rgba(16, 24, 40, .1);
}

.eyebrow {
    display: block;
    margin-bottom: .7rem;
    color: var(--red);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.transport-heading h1 {
    margin: 0 0 .75rem;
    color: var(--ink);
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -.045em;
}

.transport-heading p {
    margin: 0 0 2rem;
    color: var(--muted);
    line-height: 1.65;
}

.form-alert {
    margin-bottom: 1.25rem;
    padding: .9rem 1rem;
    border: 1px solid;
    border-radius: .7rem;
    font-size: .9rem;
    line-height: 1.45;
}

.form-alert--success {
    border-color: #a6d9bc;
    color: #176b3a;
    background: #ecfdf3;
}

.form-alert--error {
    border-color: #f3b7ba;
    color: #8b151a;
    background: #fff1f2;
}

.transport-form label {
    display: block;
    margin: 1rem 0 .45rem;
    color: #344054;
    font-size: .82rem;
    font-weight: 700;
}

.transport-form select,
.transport-form input {
    width: 100%;
    height: 3.2rem;
    padding: 0 .95rem;
    border: 1px solid var(--line);
    border-radius: .7rem;
    outline: 0;
    color: var(--ink);
    background: #fff;
    transition: border-color .18s, box-shadow .18s;
}

.transport-form select:focus,
.transport-form input:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 4px rgba(238, 49, 36, .1);
}

.transport-fields {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.transport-submit {
    width: 100%;
    margin-top: 1.6rem;
    padding: .9rem 1.1rem;
    border: 0;
    border-radius: .7rem;
    color: #fff;
    background: var(--red);
    font-weight: 750;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(238, 49, 36, .22);
    transition: transform .16s, background .16s, box-shadow .16s;
}

.transport-submit:hover {
    background: var(--red-dark);
    box-shadow: 0 10px 24px rgba(238, 49, 36, .28);
    transform: translateY(-1px);
}

.empty-state {
    padding: 1.5rem;
    display: grid;
    gap: .45rem;
    border: 1px dashed var(--line);
    border-radius: .8rem;
    color: var(--muted);
    background: var(--wash);
    text-align: center;
}

.empty-state strong {
    color: var(--ink);
}

@media (max-width: 440px) {
    .login-page {
        padding: .75rem;
    }

    .login-card {
        padding: 2rem 1.35rem;
        border-radius: 1rem;
    }

    .transport-fields {
        grid-template-columns: 1fr;
    }

    .header-user {
        display: none;
    }
}