* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    color: #222;
    background: #f5f7fa;
}

a {
    color: #0b57d0;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.page-shell {
    min-height: 100vh;
}

.page-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.page-wrap {
    background: #fff;
    border: 1px solid #d9dee5;
    border-radius: 14px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

h1 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

h2 {
    margin-top: 0;
}

p {
    line-height: 1.5;
}

hr {
    border: 0;
    border-top: 1px solid #e2e6eb;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: #ffffff;
    border-bottom: 1px solid #d9dee5;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: #222;
    text-decoration: none;
}

.topbar-brand:hover {
    text-decoration: none;
}

.topbar-user {
    font-size: 0.95rem;
    color: #555;
}

.logout-form {
    margin: 0;
}

.flash-stack {
    max-width: 900px;
    margin: 1rem auto 0;
    padding: 0 2rem;
}

.flash {
    border-radius: 10px;
    padding: 0.9rem 1rem;
    margin-bottom: 0.75rem;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

.flash-info {
    background: #eef4ff;
    border-color: #c9dcff;
    color: #1d3f72;
}

.flash-success {
    background: #edf9f0;
    border-color: #bfe3c7;
    color: #1f5c2f;
}

.flash-warning {
    background: #fff8e8;
    border-color: #f1dfab;
    color: #745500;
}

.flash-error {
    background: #fff0f0;
    border-color: #e7b7b7;
    color: #8a1f1f;
}

.auth-page {
    min-height: calc(100vh - 2rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 460px;
    background: #fff;
    border: 1px solid #d9dee5;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

.auth-title {
    margin-top: 0;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-subtitle {
    margin-top: 0;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #666;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-row label {
    font-weight: 600;
    font-size: 0.95rem;
}

.form-row input {
    width: 100%;
    padding: 0.75rem 0.85rem;
    border: 1px solid #c8d0d9;
    border-radius: 10px;
    font-size: 1rem;
    background: #fff;
    color: #222;
}

.form-row input:focus {
    outline: none;
    border-color: #0b57d0;
    box-shadow: 0 0 0 3px rgba(11, 87, 208, 0.12);
}

.form-actions {
    margin-top: 0.5rem;
}

button {
    appearance: none;
    border: 1px solid #0b57d0;
    background: #0b57d0;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    cursor: pointer;
}

button:hover {
    background: #0948ad;
    border-color: #0948ad;
}

button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.auth-links {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.95rem;
}

#get-location-btn {
    margin-top: 0.5rem;
}

#location-status {
    font-weight: 600;
}

#location-result p {
    margin: 0.4rem 0;
}

@media (max-width: 640px) {
    .topbar {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
    }

    .topbar-left,
    .topbar-right {
        justify-content: space-between;
    }

    .page-main {
        padding: 1rem;
    }

    .flash-stack {
        padding: 0 1rem;
    }

    .page-wrap {
        padding: 1.25rem;
    }

    .auth-page {
        padding: 1rem;
        min-height: auto;
    }

    .auth-card {
        padding: 1.25rem;
    }
}