/* --- 基本設定 --- */
:root {
    --primary-color: #a68a64;
    --accent-color: #d4a373;
    --bg-color: #fefae0;
    --card-bg: #ffffff;
    --text-color: #432818;
    --danger-color: #e63946;
    --warning-color: #f4a261;
    --success-color: #2a9d8f;
    --expired-color: #6d6d6d; /* 期限切れ用グレー */
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding-bottom: 100px;
}

/* --- ヘッダー --- */
.app-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-header h1 {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.total-cost-box {
    text-align: right;
}

.total-cost-box .label {
    font-size: 0.7rem;
    display: block;
    opacity: 0.9;
}

.total-cost-box #yearly-total {
    font-size: 1.2rem;
    font-weight: bold;
}

/* --- メインコンテンツ --- */
.app-main {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

.empty-message {
    text-align: center;
    padding: 3rem 1rem;
    color: #999;
}

/* --- 契約カードのデザイン --- */
.contract-grid {
    display: grid;
    gap: 1rem;
}

.contract-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.2rem;
    box-shadow: var(--shadow);
    position: relative;
    border-left: 8px solid var(--success-color);
    transition: transform 0.2s, background-color 0.3s;
}

.contract-card.status-normal {
    border-left-color: var(--success-color);
}

.contract-card.status-warning {
    border-left-color: var(--warning-color);
    background-color: #fff9f0;
}

.contract-card.status-danger {
    border-left-color: var(--danger-color);
    background-color: #fff5f5;
}

.contract-card.status-expired {
    border-left-color: var(--expired-color);
    background-color: #f5f5f5;
    opacity: 0.8;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.card-ctrls {
    display: flex;
    gap: 4px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: bold;
}

.card-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    background: #f5f0e6;
    color: var(--primary-color);
    display: inline-block;
    margin-bottom: 4px;
}

.card-body p {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    color: #555;
}

.card-body .material-symbols-outlined {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.days-left {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.status-danger .days-left {
    color: var(--danger-color);
}

.status-warning .days-left {
    color: #d68100;
}

/* クイックアクションボタンのスタイル */
.card-actions {
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px dashed #eee;
    display: flex;
    gap: 8px;
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px;
    border-radius: 8px;
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: bold;
    transition: opacity 0.2s;
}

.tel-btn {
    background-color: var(--success-color);
    color: white;
}

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

.action-btn:hover {
    opacity: 0.8;
}

.delete-btn, .edit-btn {
    background: none;
    border: none;
    color: #ccc;
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.delete-btn:hover {
    color: var(--danger-color);
}

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

/* --- フローティングボタン --- */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

/* --- モーダル --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    padding: 1.5rem;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
}

/* --- フォーム要素 --- */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 4px;
}

.required {
    color: var(--danger-color);
    font-size: 0.7rem;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    background-color: #fafafa;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 1rem;
    cursor: pointer;
}