@charset "UTF-8";

/* ==========================================================================
   KAI-KETSU 予約システム共通スタイルシート
   ========================================================================== */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* KAI-KETSU 公式デザイン変数の継承 */
    --bg-color: #FFFFFF;
    --section-bg-alt: #FAFAFC;
    --text-color: #1A1A1A;
    --text-muted: #666666;
    --accent-primary: #0088CC; /* コーポレートクリアブルー */
    --accent-secondary: #0055AA;
    
    /* 予約用ステータスカラー */
    --color-available: #2A9D8F;  /* 予約可能 (洗練された深みのあるエメラルド) */
    --color-booked: #E63946;     /* 予約不可 (視認性の高いコーラルレッド) */
    --color-selected: #0088CC;   /* 選択中 (クリアブルー) */
    
    /* グラスモルフィズム & シャドウ */
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-bg-hover: rgba(255, 255, 255, 1);
    --glass-border: rgba(0, 0, 0, 0.06);
    --glow-spread: rgba(0, 136, 204, 0.12);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
    
    --font-en: 'Inter', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-base: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

body {
    font-family: var(--font-jp);
    background-color: var(--section-bg-alt);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .font-en {
    font-family: var(--font-en);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Loader */
#loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity var(--transition-fast);
    opacity: 0;
    pointer-events: none;
}
#loader.active {
    opacity: 1;
    pointer-events: auto;
}
.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Layout */
.wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding-top: 8rem;
    padding-bottom: 5rem;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.container-narrow {
    max-width: 900px;
}

/* Header & Footer (既存デザインの完全再現) */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 0.8rem 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-en);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-color);
}
.header-logo {
    height: 36px;
    width: 36px;
    object-fit: contain;
}
.nav ul {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}
.nav a {
    font-family: var(--font-en);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-color);
    position: relative;
}
.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-fast);
}
.nav a:hover::after {
    width: 100%;
}
.btn-home {
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--accent-primary);
    border-radius: 30px;
    color: var(--accent-primary) !important;
}
.btn-home:hover {
    background: var(--accent-primary);
    color: #FFF !important;
    box-shadow: 0 4px 15px var(--glow-spread);
}

/* Page Titles */
.page-header {
    text-align: center;
    margin-bottom: 3.5rem;
}
.page-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}
.page-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.2em;
    font-family: var(--font-en);
    text-transform: uppercase;
}

/* System Grid */
.booking-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: start;
}
@media (max-width: 992px) {
    .booking-grid {
        grid-template-columns: 1fr;
    }
}

/* Card Panels */
.glass-panel {
    background: #FFFFFF;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.glass-panel:hover {
    box-shadow: var(--shadow-hover);
}
.panel-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-color);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.8rem;
}
.panel-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 1.2rem;
    background: var(--accent-primary);
    border-radius: 2px;
}

/* Calendar Styling */
.calendar-widget {
    user-select: none;
}
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.current-month {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-en);
}
.calendar-nav-btn {
    background: var(--section-bg-alt);
    border: 1px solid var(--glass-border);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition-fast);
}
.calendar-nav-btn:hover:not(:disabled) {
    background: var(--accent-primary);
    color: #FFFFFF;
    border-color: var(--accent-primary);
    transform: scale(1.05);
}
.calendar-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.4rem;
    text-align: center;
}
.weekday-label {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    font-family: var(--font-en);
}
.weekday-label:nth-child(7) { color: #0088CC; } /* 土曜 */
.weekday-label:nth-child(1) { color: #E63946; } /* 日曜 */

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-en);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    border: 1px solid transparent;
}
.calendar-day:hover:not(.disabled):not(.selected) {
    background: rgba(0, 136, 204, 0.06);
    border-color: rgba(0, 136, 204, 0.2);
    color: var(--accent-primary);
}
.calendar-day.disabled {
    color: #CCCCCC;
    cursor: not-allowed;
    background: transparent;
}
.calendar-day.today {
    font-weight: 700;
    color: var(--accent-primary);
    background: rgba(0, 136, 204, 0.03);
    border: 1px dashed rgba(0, 136, 204, 0.3);
}
.calendar-day.selected {
    background: var(--accent-primary);
    color: #FFFFFF !important;
    font-weight: 700;
    box-shadow: 0 4px 15px var(--glow-spread);
}
.calendar-day.off-day {
    color: #E2E2E2 !important;
    background: #FAFAFA;
    cursor: not-allowed;
}

/* Slots Styling */
.slots-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.8rem;
}
.slot-tile {
    border: 1px solid var(--glass-border);
    background: #FFFFFF;
    padding: 1rem 0.5rem;
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}
.slot-tile.available:hover:not(.selected) {
    border-color: rgba(42, 157, 143, 0.4);
    background: rgba(42, 157, 143, 0.03);
    transform: translateY(-2px);
}
.slot-tile.selected {
    background: var(--accent-primary);
    color: #FFFFFF !important;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 15px var(--glow-spread);
}
.slot-tile.unavailable {
    background: var(--section-bg-alt);
    border-color: #EAEAEA;
    color: #999999;
    cursor: not-allowed;
}
.slot-time {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-en);
}
.slot-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
}
.slot-tile.available .slot-status {
    background: rgba(42, 157, 143, 0.1);
    color: var(--color-available);
}
.slot-tile.selected .slot-status {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
}
.slot-tile.unavailable .slot-status {
    background: rgba(230, 57, 70, 0.08);
    color: var(--color-booked);
}

/* Forms Styling */
.hp-field {
    display: none;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-color);
}
.required-badge {
    color: #E63946;
    margin-left: 0.3rem;
}
.form-control, .form-select, .form-textarea {
    width: 100%;
    background: #FFFFFF;
    border: 1px solid #D5D5D8;
    border-radius: 8px;
    padding: 0.85rem 1rem;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}
.form-control:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.12);
}
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
    padding-right: 2.5rem;
}
.form-textarea {
    resize: vertical;
}

.selected-datetime-info {
    background: rgba(0, 136, 204, 0.05);
    border: 1px solid rgba(0, 136, 204, 0.15);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.8rem;
    text-align: center;
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 1.05rem;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    width: 100%;
    background: var(--text-color);
    color: #FFFFFF;
    border: none;
    padding: 1.1rem;
    border-radius: 30px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-soft);
}
.btn-submit:hover:not(:disabled) {
    background: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.placeholder-text {
    color: var(--text-muted);
    text-align: center;
    padding: 3rem 0;
    font-size: 0.95rem;
}

/* Modal Popup */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1050;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}
.modal.active {
    opacity: 1;
    pointer-events: auto;
}
.modal-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(10, 15, 29, 0.4);
    backdrop-filter: blur(8px);
}
.modal-content {
    position: relative;
    background: #FFFFFF;
    border-radius: 24px;
    width: 90%;
    max-width: 500px;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-hover);
    transform: scale(0.9);
    transition: transform var(--transition-base);
}
.modal.active .modal-content {
    transform: scale(1);
}
.modal-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(42, 157, 143, 0.1);
    color: var(--color-available);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.2rem;
    margin: 0 auto 1.5rem auto;
}
.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}
.modal-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}
.btn-modal-close {
    background: var(--text-color);
    color: #FFFFFF;
    border: none;
    padding: 0.8rem 2.5rem;
    border-radius: 30px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
}
.btn-modal-close:hover {
    background: var(--accent-primary);
}

/* ==========================================================================
   管理者画面用追加スタイル (admin.php)
   ========================================================================== */

.admin-header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.btn-logout {
    padding: 0.5rem 1.2rem;
    border: 1px solid #E63946;
    border-radius: 30px;
    color: #E63946 !important;
}
.btn-logout:hover {
    background: #E63946;
    color: #FFF !important;
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.2);
}

/* Login Panel */
.login-panel {
    max-width: 420px;
    margin: 5rem auto;
}

/* Admin Dashboard Table */
.admin-table-container {
    width: 100%;
    overflow-x: auto;
    margin-top: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
    min-width: 800px;
}
.admin-table th {
    background: var(--section-bg-alt);
    color: var(--text-color);
    font-weight: 700;
    padding: 1rem;
    border-bottom: 2px solid var(--glass-border);
}
.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-muted);
    vertical-align: middle;
}
.admin-table tr:hover {
    background: rgba(0, 136, 204, 0.02);
}
.badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    display: inline-block;
}
.badge-booked {
    background: rgba(0, 136, 204, 0.08);
    color: var(--accent-primary);
    border: 1px solid rgba(0, 136, 204, 0.15);
}
.badge-blocked {
    background: #F0F0F0;
    color: #666;
    border: 1px solid #E0E0E0;
}

.btn-action-cancel {
    background: transparent;
    color: #E63946;
    border: 1px solid #E63946;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}
.btn-action-cancel:hover {
    background: #E63946;
    color: #FFFFFF;
    box-shadow: 0 3px 10px rgba(230, 57, 70, 0.15);
}

.empty-state {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-muted);
    font-size: 1rem;
}

/* Block Slot Modal Specifics */
.block-info-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    background: #F9F9FB;
    padding: 0.8rem;
    border-radius: 8px;
    border-left: 3px solid #666;
}

/* Footer Copy */
.footer {
    background: #1A1A1A;
    padding: 3rem 0;
    color: #999999;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}
.footer-logo {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 1.1rem;
    color: #FFFFFF;
}
.footer-copy {
    font-size: 0.8rem;
    font-family: var(--font-en);
}