/* frontend/style.css */
:root {
    --primary-yellow: #FFCA28;
    --primary-yellow-dark: #FFB300;
    --bg-color: #FDFBF7;
    --card-bg: #FFFFFF;
    --text-main: #333333;
    --text-sub: #666666;
    --border-radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 20px;
}

.app-header h1 {
    font-size: 1.5rem;
    color: var(--primary-yellow-dark);
    margin-bottom: 5px;
}

.app-header p {
    color: var(--text-sub);
    font-size: 0.9rem;
}

.scanner-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.card-instruction {
    font-size: 0.95rem;
    color: var(--text-sub);
    margin-bottom: 25px;
}

.hidden-input {
    display: none;
}

.action-btn {
    background-color: var(--primary-yellow);
    color: #333333;
    border: none;
    border-radius: 50px;
    padding: 16px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    width: 100%;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(255, 202, 40, 0.4);
    transition: background-color 0.2s, transform 0.1s;
}

.action-btn:active {
    background-color: var(--primary-yellow-dark);
    transform: translateY(2px);
    box-shadow: 0 2px 5px rgba(255, 202, 40, 0.4);
}

.hidden {
    display: none !important;
}

.loading-area {
    margin-top: 30px;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px auto;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.result-area {
    margin-top: 30px;
    text-align: left;
    background-color: var(--bg-color);
    padding: 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    border: 1px solid #eee;
}

.result-success {
    color: #2E7D32;
    font-weight: bold;
    margin-bottom: 10px;
    text-align: center;
}

.result-error {
    color: #D32F2F;
    font-weight: bold;
    text-align: center;
}

/* frontend/style.css への追加分 */

/* スケジュールリスト表示用エリア */
#schedule-list-area {
    margin-top: 40px;
}

.schedule-card {
    background-color: var(--card-bg);
    border: 1px solid #E0E0E0;
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-bottom: 8px;
    border-bottom: 1px solid #F0F0F0;
    padding-bottom: 5px;
}

.schedule-user {
    background-color: var(--primary-yellow);
    color: #333;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: bold;
}

.schedule-body strong {
    font-size: 1.1rem;
    display: block;
    margin-bottom: 4px;
}

.schedule-location {
    font-size: 0.9rem;
    color: #888;
}

.schedule-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.btn-edit, .btn-delete, .btn-save, .btn-cancel {
    padding: 8px 15px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    font-weight: bold;
}

.btn-edit { background-color: #F5F5F5; color: #333; }
.btn-delete { background-color: #FFF0F0; color: #D32F2F; }
.btn-save { background-color: var(--primary-yellow); color: #333; flex-grow: 1; }
.btn-cancel { background-color: #F5F5F5; color: #666; }

/* 編集フォームのスタイル */
.form-group {
    margin-bottom: 12px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-bottom: 4px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #CCC;
    border-radius: 6px;
    font-size: 1rem;
}

.form-group.row {
    display: flex;
    gap: 10px;
}

.form-group.row .half {
    flex: 1;
}

.empty-text, .loading-text {
    text-align: center;
    color: var(--text-sub);
    padding: 20px 0;
}