/* ========================================
   Luvira Order Form - Stylesheet
   透明感とやさしさをテーマにしたデザイン
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Luviraブランドカラー */
    --color-primary: #c9a86c;          /* ゴールド */
    --color-primary-light: #e2d4b7;    /* ライトゴールド */
    --color-primary-dark: #a68b4b;     /* ダークゴールド */

    --color-bg-cream: #faf8f5;         /* クリーム背景 */
    --color-bg-beige: #f5f0e8;         /* ベージュ背景 */
    --color-bg-warm: #fdf9f3;          /* 温かみのある白 */
    --color-bg-accent: #f8f4ec;        /* アクセント背景 */

    --color-text: #4a4a4a;             /* 本文テキスト */
    --color-text-light: #6b6b6b;       /* 薄いテキスト */
    --color-text-dark: #333333;        /* 濃いテキスト */

    --color-border: #e5dfd5;           /* ボーダー */
    --color-border-light: #f0ebe3;     /* 薄いボーダー */

    --color-required: #d4846a;         /* 必須マーク */
    --color-optional: #8fa89a;         /* 任意マーク */
    --color-error: #c75050;            /* エラー */
    --color-success: #6b9a76;          /* 成功 */

    /* Typography */
    --font-serif: 'Noto Serif JP', 'Yu Mincho', serif;
    --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
    --font-display: 'Cormorant Garamond', serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--color-text);
    background-color: var(--color-bg-cream);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========================================
   Header
   ======================================== */
.header {
    background: linear-gradient(135deg, var(--color-bg-beige) 0%, var(--color-bg-warm) 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
}

.brand-logo {
    width: 120px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.brand-name {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 1px 2px rgba(201, 168, 108, 0.2);
}

.brand-tagline {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--color-text-light);
    letter-spacing: 0.3em;
}

/* ========================================
   Main Content
   ======================================== */
.main {
    flex: 1;
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

/* Form Header */
.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
}

.form-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Notice Box */
.notice-box {
    background-color: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    font-size: 0.875rem;
    line-height: 2;
}

.notice-box p {
    margin-bottom: var(--spacing-sm);
}

.notice-box p:last-child {
    margin-bottom: 0;
}

.notice-box strong {
    color: var(--color-primary-dark);
    font-weight: 500;
}

/* ========================================
   Form Sections
   ======================================== */
.form-section {
    background-color: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary-light);
    letter-spacing: 0.05em;
}

.section-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Form Elements
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.required,
.optional {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

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

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #b5b5b5;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6b6b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.form-file {
    width: 100%;
    padding: 12px;
    font-size: 0.9rem;
    background-color: var(--color-bg-warm);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.form-file:hover {
    border-color: var(--color-primary);
}

/* Character Count */
.char-count {
    text-align: right;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* ========================================
   Radio & Checkbox
   ======================================== */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-warm);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.radio-label:hover,
.checkbox-label:hover {
    background-color: var(--color-bg-accent);
    border-color: var(--color-primary-light);
}

.radio-label input,
.checkbox-label input {
    margin-top: 4px;
    accent-color: var(--color-primary);
}

.radio-text,
.checkbox-text {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========================================
   Wrapping Options
   ======================================== */
.wrapping-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 480px) {
    .wrapping-options {
        grid-template-columns: 1fr;
    }
}

.wrapping-option {
    cursor: pointer;
}

.wrapping-option input {
    display: none;
}

.wrapping-card {
    padding: var(--spacing-md);
    background-color: var(--color-bg-warm);
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.wrapping-option input:checked + .wrapping-card {
    border-color: var(--color-primary);
    background-color: rgba(201, 168, 108, 0.08);
}

.wrapping-option:hover .wrapping-card {
    border-color: var(--color-primary-light);
}

.wrapping-name {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.wrapping-price {
    display: block;
    font-size: 0.8rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.wrapping-desc {
    font-size: 0.75rem;
    color: var(--color-text-light);
    line-height: 1.4;
}

/* ========================================
   Price Info & Info Box
   ======================================== */
.price-info {
    background: linear-gradient(135deg, var(--color-bg-beige) 0%, var(--color-bg-accent) 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.price-info p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.price-info ul {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.price-info li {
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
    padding-left: 1.5em;
    position: relative;
}

.price-info li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.price-info .note {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.info-box {
    background-color: var(--color-bg-warm);
    border-left: 3px solid var(--color-primary-light);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.info-box p {
    margin-bottom: var(--spacing-sm);
}

.info-box .note {
    color: var(--color-text-light);
    font-size: 0.8rem;
}

/* ========================================
   Flower Item
   ======================================== */
.flower-item {
    background-color: var(--color-bg-warm);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.flower-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.flower-number {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-primary-dark);
    font-weight: 500;
}

.btn-remove-flower {
    padding: 4px 12px;
    font-size: 0.75rem;
    color: var(--color-text-light);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-remove-flower:hover {
    color: var(--color-error);
    border-color: var(--color-error);
}

.btn-add {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-primary-dark);
    background-color: transparent;
    border: 2px dashed var(--color-primary-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-add:hover {
    background-color: rgba(201, 168, 108, 0.08);
    border-color: var(--color-primary);
}

/* ========================================
   Terms Box
   ======================================== */
.terms-box {
    background-color: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    font-size: 0.85rem;
    max-height: 300px;
    overflow-y: auto;
}

.terms-box h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-dark);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.terms-box h4:first-child {
    margin-top: 0;
}

.terms-box ul {
    list-style: none;
    margin: 0;
}

.terms-box li {
    padding: var(--spacing-xs) 0;
    padding-left: 1em;
    position: relative;
    color: var(--color-text-light);
    line-height: 1.6;
}

.terms-box li::before {
    content: '・';
    position: absolute;
    left: 0;
}

/* ========================================
   Form Actions
   ======================================== */
.form-actions {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.btn-submit {
    display: inline-block;
    width: 100%;
    max-width: 400px;
    padding: 16px 32px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    background: var(--color-border);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--color-bg-beige) 0%, var(--color-bg-warm) 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--color-border-light);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.brand-name-small {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-family: var(--font-serif);
    font-size: 0.8rem;
    color: var(--color-text-light);
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-lg);
}

.footer-contact {
    margin-bottom: var(--spacing-lg);
}

.footer-contact p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.copyright {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* ========================================
   Modal
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-content {
    background-color: #fff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.modal-header h2 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-dark);
}

.modal-close {
    width: 32px;
    height: 32px;
    font-size: 1.5rem;
    color: var(--color-text-light);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-lg);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
}

@media (min-width: 480px) {
    .modal-footer {
        flex-direction: row;
        justify-content: flex-end;
    }
}

.btn-back {
    padding: 12px 24px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-text);
    background-color: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-back:hover {
    background-color: var(--color-bg-beige);
}

.btn-confirm {
    padding: 12px 24px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-confirm:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Confirm Content
   ======================================== */
.confirm-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.confirm-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.confirm-section h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.confirm-item {
    display: flex;
    padding: var(--spacing-sm) 0;
    font-size: 0.9rem;
}

.confirm-label {
    flex: 0 0 40%;
    color: var(--color-text-light);
}

.confirm-value {
    flex: 1;
    color: var(--color-text-dark);
}

.confirm-flower {
    background-color: var(--color-bg-warm);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.confirm-flower-title {
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
}

/* ========================================
   Complete Message
   ======================================== */
.complete-message {
    text-align: center;
    padding: var(--spacing-lg);
}

.complete-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.complete-message p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.8;
}

.complete-message .note {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-md);
}

/* ========================================
   Image Upload Area
   ======================================== */
.image-upload-area {
    display: grid;
    gap: var(--spacing-md);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 640px) {
    .brand-name {
        font-size: 2.5rem;
    }

    .form-section {
        padding: var(--spacing-lg);
    }

    .confirm-item {
        flex-direction: column;
    }

    .confirm-label {
        flex: none;
        margin-bottom: var(--spacing-xs);
    }
}

/* ========================================
   Loading State
   ======================================== */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-primary-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   Error State
   ======================================== */
.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-error);
    background-color: rgba(199, 80, 80, 0.05);
}

.error-message {
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .modal,
    .btn-submit,
    .btn-add,
    .btn-remove-flower {
        display: none;
    }

    .form-section {
        break-inside: avoid;
    }
}

/* ========================================
   Order Page - Hero Photos
   ======================================== */
.order-hero-photos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    margin-bottom: 32px;
}

.order-hero-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
    display: block;
}

@media screen and (max-width: 540px) {
    .order-hero-photos {
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
    }
}