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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

header {
    background: #304cb2;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.4rem;
}

#login-btn {
    background: #ffbf27;
    color: #333;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
}

#login-btn:hover {
    background: #e6ac23;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card h2 {
    margin-bottom: 1rem;
    color: #304cb2;
}

.card ol {
    padding-left: 1.5rem;
}

.card li {
    margin-bottom: 0.5rem;
}

.flight-card {
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: pointer;
}

.route-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flight-card .route {
    font-size: 1.1rem;
    font-weight: 600;
}

.via-stop {
    color: #bbb;
    font-size: 0.9em;
    font-weight: 500;
}

.flight-date {
    font-size: 0.8rem;
    color: #aaa;
    margin-top: 0.15rem;
}

.pax-fare-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #555;
    margin-top: 0.3rem;
}

.fare-line {
    font-size: 0.85rem;
    margin-top: 0.1rem;
}

.expanded-details {
    display: none;
    border-top: 1px solid #eee;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
}

.flight-card.open .expanded-details { display: block; }

.chevron {
    display: inline-block;
    transition: transform 0.2s;
    color: #999;
    margin-left: 0.4rem;
}

.flight-card.open .chevron { transform: rotate(180deg); }

.fare {
    color: #304cb2;
    font-weight: 600;
    font-size: 0.85rem;
}

.leg-detail {
    font-size: 0.85rem;
    color: #555;
    padding: 0.15rem 0;
}

.pax-fares {
    margin-bottom: 0.5rem;
}

.pax-fare-row {
    font-size: 0.85rem;
    color: #333;
    padding: 0.1rem 0;
}

.flight-card .status {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-confirmed {
    background: #e8f5e9;
    color: #2e7d32;
}

.status-cancelled {
    background: #ffebee;
    color: #c62828;
}

.empty-state {
    color: #999;
    text-align: center;
    padding: 2rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: #999;
    font-size: 0.85rem;
}

.loading {
    color: #999;
    font-style: italic;
    padding: 1rem 0;
}

.register-form {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.register-form input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

.register-form button {
    background: #304cb2;
    color: white;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
}

.register-form button:hover {
    background: #253a8e;
}

.status-msg {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #2e7d32;
    min-height: 1.2em;
}

.status-msg.error {
    color: #c62828;
}

#user-email {
    font-size: 0.9rem;
    margin-right: 0.75rem;
    opacity: 0.9;
}

#logout-btn {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    margin-right: 0.5rem;
}

#logout-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

#past-card h2 {
    color: #888;
}

#past-card .flight-card {
    opacity: 0.75;
}

.status-modified {
    background: #fff8e1;
    color: #f57f17;
}

/* --- Email history --- */

.email-history {
    margin-bottom: 0.5rem;
}

.email-history-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
    gap: 0.5rem;
}

.email-history-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.email-link {
    color: #304cb2;
    font-size: 0.8rem;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-link:hover {
    text-decoration: underline;
}

.email-history-date {
    font-size: 0.7rem;
    color: #aaa;
    margin-top: 0.05rem;
}

.pill {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.5rem;
    border-radius: 8px;
}

.pill-confirmed  { background: #e8f5e9; color: #2e7d32; }
.pill-modified   { background: #fff8e1; color: #f57f17; }
.pill-cancelled  { background: #ffebee; color: #c62828; }

/* --- Email viewer dialog --- */

dialog {
    border: none;
    border-radius: 8px;
    padding: 0;
    width: 90vw;
    max-width: 700px;
    max-height: 85vh;
    /* margin: auto centers the dialog when used with showModal() */
    margin: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

/* Use dialog[open] so display:flex isn't overridden by the UA closed state */
dialog[open] {
    display: flex;
    flex-direction: column;
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.5);
}

#email-dialog-close {
    align-self: flex-end;
    margin: 0.5rem 0.5rem 0;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: #666;
}

#email-iframe {
    flex: 1;
    border: none;
    width: 100%;
    min-height: 0;
}

@media (max-width: 640px) {
    dialog {
        width: 100vw;
        max-width: 100vw;
        max-height: 100dvh;
        border-radius: 0;
        margin: 0;
    }
}