@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');

:root {
    --bg-color: #2E2E2E;
    --text-color: #FFFFFF;
    --container-bg: #3C3C3C;
    --btn-bg: #4A4A4A;
    --btn-primary-bg: #3f7224;
    --btn-secondary-bg: #666;
    --btn-disabled-bg: #555;
    --btn-disabled-text: #999;
    --border-color: #555;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 10px 0px 10px;
}

.container {
    width: 90%;
    max-width: 500px;
    background-color: var(--container-bg);
    padding: 20px;
    box-sizing: border-box;
    border-radius: 10px;
    text-align: center;
}

.top_logo {
    width: 100%;
    margin-bottom: 20px;
}

h1 {
    margin: 0 0 1rem 0;
    text-align: center;
    font-size: 1.5rem;
}

.description {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: left;
}

.btn {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-color);
    background-color: var(--btn-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover:not(:disabled) {
    background-color: #5a5a5a;
}

.btn:disabled {
    background-color: var(--btn-disabled-bg);
    color: var(--btn-disabled-text);
    cursor: not-allowed;
}

.btn.btn-secondary {
    background-color: var(--btn-secondary-bg);
}

.btn.btn-secondary:hover {
    background-color: #777;
}

.btn.btn-primary {
    background-color: var(--btn-primary-bg);
}

.btn.btn-primary:hover {
    background-color: #4A4A4A;
}

#error-message {
    color: #ef4444;
    margin-top: 15px;
    min-height: 24px;
}

.display_number,
.display_status {
    margin: 30px auto;
}

.display_number h2,
.display_status h2 {
    font-size: 1.2em;
    color: #9ca3af;
    margin-bottom: 10px;
}

#number_display {
    padding: 20px 40px;
    background-color: var(--btn-bg);
    color: var(--text-color);
    border-radius: 10px;
    font-size: 4em;
    text-align: center;
    display: inline-block;
    font-weight: bold;
}

#status_display {
    padding: 15px 25px;
    color: var(--text-color);
    border-radius: 10px;
    font-size: 1.8em;
    text-align: center;
    display: inline-block;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}

.details {
    margin: 40px auto 25px auto;
    padding: 20px;
    background-color: #444;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-align: left;
}

.order_info p {
    margin: 8px 0;
    font-size: 1em;
    color: #ddd;
    word-break: break-all;
}

.order_info p span {
    color: #f59e0b;
    font-weight: bold;
}

.order_info .item-list {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #555;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #000000b5;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--container-bg);
    padding: 20px 24px;
    border-radius: 10px;
    width: 100%;
    max-width: 420px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}

.modal-content h2 {
    margin: 0 0 16px 0;
    font-size: 1.1rem;
    text-align: center;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 14px;
    font-size: 1.6rem;
    color: #aaa;
    cursor: pointer;
}

.close-btn:hover,
.close-btn:focus {
    color: #fff;
}

.modal-body {
    max-height: none;
    overflow: visible;
    padding: 0;
    margin: 0;
}

.mail-link {
    color: #4CAF50;
    font-weight: bold;
    text-decoration: underline;
    transition: 0.3s;
}

.mail-link:hover {
    color: #81d97c;
}

.qr-code-area {
    background-color: white;
    padding: 20px;
    display: inline-block;
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

.qr-code-area img {
    display: block;
}

/* QR toggle button styling (match .btn look) */
#qrToggleBtn {
    width: auto;
    padding: 15px;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-color);
    background-color: var(--btn-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: inline-block;
    min-width: 140px;
}

#qrToggleBtn:hover:not(:disabled) {
    background-color: #5a5a5a;
}

#qrToggleBtn:active {
    transform: translateY(1px);
}

@media (max-width: 420px) {
    #qrToggleBtn {
        font-size: 0.9rem;
        padding: 12px 14px;
        min-width: 120px;
    }
}