/* ========================================
   予約システム スタイルシート
   ======================================== */

/* ===== CSS Variables ===== */
:root {
    --primary-color: #48A1D9;
    --primary-dark: #3a8bc2;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-color: #dee2e6;
    --text-color: #333333;
    --text-muted: #6c757d;
    --bg-gray: rgb(233, 233, 233);
    --shadow: 0px 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0px 2px 8px rgba(0, 0, 0, 0.1);
    --radius: 10px;
    --radius-lg: 13px;
    --radius-full: 30px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hiragino Sans', 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #fff;
}

/* ===== Top Image ===== */
.top-image {
    width: 100%;
    object-fit: cover;
}

.top-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

/* ===== Form Box ===== */
.form-box {
    width: 95%;
    max-width: 600px;
    margin: 10% auto;
    text-align: center;
}

.form-box h1 {
    margin-bottom: 5%;
    font-size: 1.5rem;
}

/* ===== Time Select ===== */
.time-select {
    margin-top: 10%;
    text-align: center;
}

.time-selecter {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 90%;
    max-width: 500px;
    margin: 3% auto;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.time-selecter:hover {
    background-color: var(--light-color);
    border-radius: var(--radius);
}

.change {
    width: fit-content;
    margin: 0 auto 0 0;
}

.left {
    font-size: 1.4rem;
    width: 45%;
}

.right {
    text-align: right;
    width: 50%;
}

/* ===== Items ===== */
.items {
    width: 90%;
    max-width: 500px;
    padding: 2%;
    margin: 0 auto 3% auto;
    background-color: var(--bg-gray);
    border-radius: var(--radius);
}

.item-group {
    border-bottom: 1px solid var(--border-color);
    margin-top: 5%;
    padding-bottom: 3%;
}

.item-group label {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.item-group p {
    font-size: 1.4rem;
    margin: 2%;
}

.bottom1 {
    margin: 5% auto;
}

/* ===== Result ===== */
.result {
    width: 90%;
    max-width: 500px;
    margin: 0 auto;
}

.result-box {
    text-align: left;
    font-size: 1.4rem;
    font-weight: 700;
}

.link {
    text-align: right;
}

.link a {
    margin-bottom: 5%;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.link a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== Holiday Message ===== */
.holiday-msg {
    margin: 5% auto;
    background-color: rgba(143, 143, 143, 0.582);
    border-radius: var(--radius-full);
    padding: 10% 5%;
}

.holiday-msg p {
    font-size: 1.4rem;
}

/* ===== Change Section ===== */
.change {
    margin: 5% 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.change p {
    margin-bottom: 3%;
    font-size: 1.4rem;
}

/* ===== Check Get Box ===== */
.check-get-box {
    width: 80%;
    max-width: 400px;
    margin: 10% auto;
    box-shadow: var(--shadow);
    border-radius: var(--radius-lg);
    padding-top: 2%;
    padding-bottom: 1%;
}

.box-inside {
    width: 90%;
    margin: 10% auto 3% auto;
}

.reserve-items {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 3%;
    margin-bottom: 5%;
}

.reserve-items h3 {
    margin: 0 0 0 auto;
}

/* ===== Form Validation ===== */
.is-invalid {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.is-invalid + label + p {
    display: block;
}

/* ===== Open Button ===== */
.open-button {
    margin: 1% 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    height: 40px;
}

#toggle-button {
    position: relative;
    z-index: 1;
    width: 100px;
    height: 30px;
    border: none;
    background-color: #fff;
    border: 2px solid var(--secondary-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

#toggle-button:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
}

.open-button:before,
.open-button:after {
    content: "";
    position: absolute;
    top: 50%;
    height: 1px;
    background-color: var(--secondary-color);
}

.open-button:before {
    left: 3%;
    width: 40%;
    transform: translateY(-50%);
}

.open-button:after {
    right: 3%;
    width: 40%;
    transform: translateY(-50%);
}

.select {
    display: none;
    justify-content: space-between;
    align-items: center;
}

.select-box {
    width: 45%;
}

/* ===== Days List ===== */
.days-list {
    width: 95%;
    max-width: 800px;
    margin: 50px auto 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.days-list h3 {
    margin-bottom: 30px;
}

.off-table {
    width: 100%;
}

.table-lists {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.table-title-box {
    background-color: var(--primary-color);
    color: #fff;
}

.table-item-box {
    margin-top: 15px;
}

.table-title {
    text-align: center;
    font-size: 2rem;
}

.table-item {
    border-bottom: 1px solid var(--text-color);
    font-size: 1.3rem;
    padding: 8px 4px;
}

/* ===== Modal ===== */
.full-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
}

.full-modal.show {
    display: flex;
}

.full-modal h1 {
    color: #fff;
}

/* ===== Loading Modal ===== */
.loading-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-modal.show {
    display: flex;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    margin-top: 20px;
    font-size: 1.2rem;
    color: var(--text-color);
}

/* ===== Flash Messages ===== */
.flash-messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9998;
    max-width: 350px;
}

.flash-message {
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.flash-message.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.flash-message.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.flash-message.warning {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
}

.flash-message.info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.5;
    transition: var(--transition);
}

.flash-close:hover {
    opacity: 1;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-success {
    background-color: var(--success-color);
    color: #fff;
}

.btn-success:hover {
    background-color: #218838;
}

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== Admin Styles ===== */
.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.admin-header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: var(--radius);
}

.admin-header h1 {
    margin: 0;
    font-size: 1.8rem;
}

.admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.admin-nav a {
    padding: 10px 15px;
    background-color: var(--light-color);
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
}

.admin-nav a:hover,
.admin-nav a.active {
    background-color: var(--primary-color);
    color: #fff;
}

.admin-card {
    background-color: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.admin-card h2 {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background-color: var(--light-color);
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: var(--light-color);
}

.admin-form {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
}

.admin-form .form-group {
    flex: 1;
    min-width: 150px;
}

.admin-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.admin-form input,
.admin-form select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
}

.admin-form input:focus,
.admin-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(72, 161, 217, 0.25);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.stat-card {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-card .label {
    color: var(--text-muted);
    margin-top: 5px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .form-box {
        width: 100%;
        padding: 0 15px;
        margin: 5% auto;
    }

    .form-box h1 {
        font-size: 1.3rem;
    }

    .time-selecter {
        flex-direction: column;
        text-align: center;
    }

    .left,
    .right {
        width: 100%;
        text-align: center;
        margin: 5px 0;
    }

    .left {
        font-size: 1.2rem;
    }

    .check-get-box {
        width: 95%;
    }

    .table-lists {
        grid-template-columns: repeat(2, 1fr);
    }

    .table-title {
        font-size: 1.5rem;
    }

    .table-item {
        font-size: 1rem;
    }

    .flash-messages {
        left: 10px;
        right: 10px;
        max-width: none;
    }

    .admin-nav {
        flex-direction: column;
    }

    .admin-form {
        flex-direction: column;
    }

    .admin-form .form-group {
        width: 100%;
    }

    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .top-image img {
        max-height: 160px;
    }

    .holiday-msg {
        padding: 8% 4%;
    }

    .holiday-msg p {
        font-size: 1.2rem;
    }

    .stat-grid {
        grid-template-columns: 1fr;
    }

    .stat-card .number {
        font-size: 2rem;
    }
}

/* ===== Print Styles ===== */
@media print {
    .flash-messages,
    .loading-modal,
    .admin-nav,
    .btn {
        display: none !important;
    }

    .admin-card {
        box-shadow: none;
        border: 1px solid #000;
    }
}