/**
 * おてつだい日和 - スタイルシート
 * 30代主婦向けのソフトピンク×ミントグリーンのデザイン
 */

/* ========================================
   Google Fonts
======================================== */
@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700&display=swap');

/* ========================================
   CSS Variables
======================================== */
:root {
    /* Primary Colors - Soft Pink */
    --color-primary: #e8a4b8;
    --color-primary-dark: #d4899e;
    --color-primary-light: #f5d5de;
    --color-primary-pale: #fdf2f5;
    
    /* Secondary Colors - Mint Green */
    --color-secondary: #8fc1b5;
    --color-secondary-dark: #6ba898;
    --color-secondary-light: #c4e0d9;
    --color-secondary-pale: #f0f9f7;
    
    /* Accent Colors */
    --color-accent: #f5b971;
    --color-accent-light: #fce4c4;
    
    /* Status Colors */
    --color-success: #7bc9a4;
    --color-warning: #f5c469;
    --color-error: #e88a8a;
    
    /* Neutrals - Warm tones */
    --color-white: #ffffff;
    --color-cream: #fffbf7;
    --color-gray-50: #faf9f7;
    --color-gray-100: #f5f3f0;
    --color-gray-200: #e8e5e0;
    --color-gray-300: #d4d0c8;
    --color-gray-400: #a8a198;
    --color-gray-500: #7d776d;
    --color-gray-600: #5c574f;
    --color-gray-700: #433f39;
    --color-gray-800: #2d2a26;
    --color-gray-900: #1a1816;
    
    /* Typography */
    --font-family: 'Zen Maru Gothic', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows - Soft and subtle */
    --shadow-xs: 0 1px 2px rgba(232, 164, 184, 0.08);
    --shadow-sm: 0 2px 4px rgba(232, 164, 184, 0.1);
    --shadow: 0 4px 8px rgba(232, 164, 184, 0.12);
    --shadow-md: 0 8px 16px rgba(232, 164, 184, 0.15);
    --shadow-lg: 0 16px 32px rgba(232, 164, 184, 0.18);
    --shadow-glow: 0 0 30px rgba(232, 164, 184, 0.25);
    
    /* Container */
    --container-max: 1200px;
    --container-padding: var(--spacing-4);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-gray-700);
    background-color: var(--color-cream);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--color-secondary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   Layout
======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.main-content {
    flex: 1;
}

/* ========================================
   Header
======================================== */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-primary-light);
}

.header-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.logo::before {
    content: '🌸';
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
    list-style: none;
}

.nav-menu a {
    color: var(--color-gray-600);
    font-weight: 500;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: var(--color-primary-dark);
    background: var(--color-primary-pale);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-600);
    border-radius: 2px;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-6);
        box-shadow: var(--shadow-md);
        gap: var(--spacing-4);
        border-bottom: 2px solid var(--color-primary-light);
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }
}

/* ========================================
   Footer
======================================== */
.site-footer {
    background: linear-gradient(135deg, var(--color-gray-800) 0%, var(--color-gray-700) 100%);
    color: var(--color-gray-300);
    padding: var(--spacing-12) 0 var(--spacing-8);
    margin-top: auto;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-primary) 100%);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-6);
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.footer-links a {
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.copyright {
    text-align: center;
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-family);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(232, 164, 184, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 164, 184, 0.5);
    color: var(--color-white);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(143, 193, 181, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(143, 193, 181, 0.5);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #5fb890 100%);
    color: var(--color-white);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error) 0%, #d47070 100%);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary-dark);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-white-outline {
    background: transparent;
    border: 2px solid var(--color-white);
    color: var(--color-white);
}

.btn-white-outline:hover {
    background: var(--color-white);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-10);
    font-size: var(--font-size-lg);
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: inherit;
    padding: 0;
}

.btn-link:hover {
    text-decoration: underline;
}

/* ========================================
   Forms
======================================== */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-label .required {
    color: var(--color-error);
    margin-left: var(--spacing-1);
}

.form-control {
    width: 100%;
    padding: var(--spacing-4);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    background: var(--color-white);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-pale);
}

.form-control.is-invalid {
    border-color: var(--color-error);
}

.form-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-2);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-1);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23e8a4b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-4) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--spacing-12);
}

/* Radio/Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-primary);
}

.form-check-label {
    font-weight: normal;
}

/* ========================================
   Cards
======================================== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-100);
    background: var(--color-gray-50);
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--color-gray-100);
    background: var(--color-gray-50);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: var(--color-gray-800);
}

/* ========================================
   Alerts
======================================== */
.alert {
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-4);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.alert-success {
    background: var(--color-secondary-pale);
    color: var(--color-secondary-dark);
    border: 1px solid var(--color-secondary-light);
}

.alert-success::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: var(--color-secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.alert-error {
    background: #fef2f2;
    color: #b45555;
    border: 1px solid #fecaca;
}

.alert-error::before {
    content: '!';
    width: 24px;
    height: 24px;
    background: var(--color-error);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.alert-warning {
    background: #fffbeb;
    color: #8a6914;
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--color-primary-pale);
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary-light);
}

/* ========================================
   Badges
======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.badge-success {
    background: var(--color-secondary-light);
    color: var(--color-secondary-dark);
}

.badge-warning {
    background: var(--color-accent-light);
    color: #8a6914;
}

.badge-danger {
    background: #fecaca;
    color: #b45555;
}

.badge-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

/* ========================================
   Tables
======================================== */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-xl);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    background: var(--color-white);
}

.table th,
.table td {
    padding: var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.table th {
    background: var(--color-primary-pale);
    font-weight: 600;
    color: var(--color-gray-700);
}

.table tbody tr:hover {
    background: var(--color-gray-50);
}

/* ========================================
   Pagination
======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
    list-style: none;
    margin-top: var(--spacing-8);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: all 0.3s ease;
}

.pagination a {
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    color: var(--color-gray-600);
}

.pagination a:hover {
    background: var(--color-primary-pale);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.pagination .active span {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

/* ========================================
   Utilities
======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-primary { color: var(--color-primary-dark); }
.text-secondary { color: var(--color-secondary-dark); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

.hidden { display: none !important; }

/* ========================================
   Grid
======================================== */
.grid {
    display: grid;
    gap: var(--spacing-6);
}

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Section
======================================== */
.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-8);
    color: var(--color-gray-800);
    position: relative;
}

.section-title.text-center::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    margin: var(--spacing-4) auto 0;
    border-radius: var(--radius-full);
}

.page-header {
    margin-bottom: var(--spacing-8);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-2);
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

/* ========================================
   Request/Provider Cards
======================================== */
.request-card,
.provider-card {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow);
    padding: var(--spacing-6);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.request-card:hover,
.provider-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.request-card .category {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary-dark);
    background: var(--color-primary-pale);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-3);
}

.request-card .title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-3);
}

.request-card .meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.provider-card .name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-2);
}

.provider-card .bio {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
}

/* ========================================
   Messages
======================================== */
.message-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    max-height: 500px;
    overflow-y: auto;
    padding: var(--spacing-4);
}

.message {
    max-width: 80%;
    padding: var(--spacing-4);
    border-radius: var(--radius-2xl);
}

.message.sent {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-bottom-right-radius: var(--radius-sm);
}

.message.received {
    align-self: flex-start;
    background: var(--color-gray-100);
    border-bottom-left-radius: var(--radius-sm);
}

.message .time {
    font-size: var(--font-size-xs);
    opacity: 0.7;
    margin-top: var(--spacing-2);
}

/* ========================================
   Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ========================================
   Print
======================================== */
@media print {
    .site-header,
    .site-footer,
    .btn,
    .no-print {
        display: none !important;
    }

    body {
        background: white;
    }

    .main-content {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid var(--color-gray-300);
    }
}