/* 話せるAI Portal - Fresh & Clean Design */
:root {
    --primary-light: #f0f8ff;
    --secondary-light: #ffffff;
    --tertiary-light: #e3f2fd;
    --accent-primary: #2196f3;
    --accent-secondary: #00bcd4;
    --accent-success: #4caf50;
    --accent-warning: #ff9800;
    --accent-danger: #f44336;
    --text-dark: #212121;
    --text-medium: #424242;
    --text-light: #757575;
    --border-light: #e0e0e0;
    --shadow-soft: rgba(33, 150, 243, 0.08);
    --gradient-primary: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    --gradient-secondary: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
    --gradient-accent: linear-gradient(135deg, #2196f3 0%, #00bcd4 100%);
    --gradient-success: linear-gradient(135deg, #4caf50 0%, #81c784 100%);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-light);
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--tertiary-light);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Navigation */
.bg-gradient-dark {
    background: var(--gradient-accent) !important;
    border-bottom: 1px solid var(--border-light);
    box-shadow: none !important;
}

.navbar {
    padding-top: 0.15rem !important;
    padding-bottom: 0.15rem !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    z-index: 1050 !important;
    box-shadow: none !important;
}

.navbar.fixed-top {
    z-index: 1050 !important;
}

.navbar .container-fluid {
    height: 100%;
    padding-top: 0;
    padding-bottom: 0;
}

.navbar-brand {
    font-size: 0.8rem;
    color: #ffffff !important;
    font-weight: 600;
    padding: 0.1rem 0;
    line-height: 1.2;
}

.navbar-brand i {
    font-size: 0.85rem;
}

.user-avatar {
    width: 24px;
    height: 24px;
    background: var(--gradient-success);
    border-radius: 50%;
    border: 2px solid #ffffff;
}

.navbar .nav-link {
    font-size: 0.8rem;
    padding: 0.15rem 0.4rem;
    color: #ffffff !important;
}

.navbar .dropdown-toggle {
    padding: 0.15rem 0.4rem;
}

.navbar .nav-link:hover {
    color: var(--tertiary-light) !important;
}

.dropdown-item {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    color: var(--text-dark) !important;
}

/* Sidebar */
.metallic-sidebar {
    background: var(--secondary-light) !important;
    border-right: 1px solid var(--border-light);
    box-shadow: 2px 0 8px var(--shadow-soft);
}

/* Mobile Offcanvas Sidebar */
.offcanvas {
    background: var(--secondary-light) !important;
    color: var(--text-dark) !important;
}

.offcanvas-header {
    background: var(--gradient-accent) !important;
    border-bottom: none !important;
}

.offcanvas-title {
    color: #ffffff !important;
}

.offcanvas-body {
    background: var(--secondary-light) !important;
    padding: 0 !important;
}

.sidebar-offcanvas {
    background: var(--secondary-light) !important;
}

/* Override Bootstrap offcanvas defaults */
.offcanvas-start {
    background: var(--secondary-light) !important;
}

.offcanvas .nav-pills .nav-link {
    background: transparent !important;
    color: var(--text-medium) !important;
    border: none !important;
}

.offcanvas .nav-pills .nav-link.active {
    background: var(--gradient-accent) !important;
    color: #ffffff !important;
}

.offcanvas .nav-pills .nav-link:hover {
    background: var(--tertiary-light) !important;
    color: var(--accent-primary) !important;
}

.btn-close-white {
    filter: brightness(0) invert(1);
}

.sidebar-link {
    color: var(--text-medium) !important;
    font-weight: 500;
    margin: 0.3rem 0.75rem;
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-size: 0.9rem;
}

.sidebar-link:hover {
    background: var(--tertiary-light);
    color: var(--accent-primary) !important;
    transform: translateX(4px);
}

.sidebar-link.active {
    background: var(--gradient-accent);
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.2);
}

.sidebar-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.1), transparent);
    transition: left 0.5s;
}

.sidebar-link:hover::before {
    left: 100%;
}

/* Main Content */
.main-content {
    margin-top: 40px;
    min-height: calc(100vh - 40px);
    background: var(--primary-light);
    padding: 1.5rem;
}

@media (min-width: 768px) {
    .main-content {
        margin-left: 280px;
    }
}

.main-content .container-fluid {
    padding: 0;
}

/* Container adjustments */
.container-fluid {
    padding: 1.2rem;
}

/* Sidebar */
.fixed-sidebar {
    position: fixed;
    top: 40px;
    left: 0;
    width: 280px;
    height: calc(100vh - 40px);
    background: var(--secondary-light);
    border-right: 1px solid var(--border-light);
    box-shadow: 2px 0 8px var(--shadow-soft);
    z-index: 1040;
    overflow-y: auto;
}

.fixed-sidebar h6 {
    font-size: 0.95rem;
    color: var(--text-dark) !important;
}

.fixed-sidebar .p-3 {
    padding: 0.75rem !important;
}

.fixed-sidebar .border-secondary,
.fixed-sidebar .border-top {
    border-color: var(--border-light) !important;
}

.sidebar-footer .text-light {
    color: var(--text-dark) !important;
}

.sidebar-footer .text-light-emphasis {
    color: var(--text-medium) !important;
}

/* Cards */
.metallic-card {
    background: var(--secondary-light);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow-soft);
    transition: all 0.3s ease;
}

.metallic-card:hover {
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.15);
    transform: translateY(-2px);
}

.welcome-card {
    background: var(--gradient-accent);
    border: none;
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.2);
}

.welcome-card h3,
.welcome-card .text-light {
    color: #ffffff !important;
}

.welcome-card .text-light-emphasis {
    color: rgba(255, 255, 255, 0.9) !important;
}

/* Stat Cards */
.stat-card {
    background: var(--secondary-light);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-success));
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.2);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-primary);
}

.stat-card .card-title {
    color: var(--text-medium) !important;
}

.stat-card h3 {
    color: var(--text-dark) !important;
}

/* Action Cards */
.action-card {
    display: block;
    height: 100%;
    transition: all 0.3s ease;
}

.action-card-inner {
    background: var(--gradient-primary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.action-card-inner h6 {
    color: var(--text-dark) !important;
}

.action-card-inner p {
    color: var(--text-medium) !important;
}

.action-card:hover .action-card-inner {
    background: var(--secondary-light);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.2);
}

.action-icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 0.6rem;
    transition: all 0.3s ease;
}

.action-card:hover .action-icon {
    color: var(--accent-secondary);
    transform: scale(1.15);
}

/* Activity List */
.activity-list {
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item:hover {
    background: var(--tertiary-light);
    padding-left: 0.5rem;
    border-radius: 8px;
}

.activity-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    font-size: 1rem;
}

.activity-title {
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.activity-time {
    color: var(--text-light);
    font-size: 0.8rem;
}

/* Usage Stats */
.usage-item {
    padding: 0.5rem 0;
}

.progress {
    background: var(--tertiary-light);
    border-radius: 8px;
    overflow: hidden;
    height: 8px;
}

.progress-bar {
    transition: width 0.6s ease;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(255,255,255,0.1) 25%, 
        transparent 25%, 
        transparent 50%, 
        rgba(255,255,255,0.1) 50%, 
        rgba(255,255,255,0.1) 75%, 
        transparent 75%, 
        transparent);
    background-size: 8px 8px;
    animation: progress-shimmer 1s linear infinite;
}

@keyframes progress-shimmer {
    0% { background-position: 0 0; }
    100% { background-position: 8px 0; }
}

/* Dropdown */
.metallic-dropdown {
    background: var(--secondary-light) !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: 0 4px 12px var(--shadow-soft) !important;
}

.metallic-dropdown .dropdown-item {
    color: var(--text-dark) !important;
    transition: all 0.3s ease;
}

.metallic-dropdown .dropdown-item:hover {
    background: var(--tertiary-light) !important;
    color: var(--accent-primary) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        margin-top: 40px;
        margin-left: 0;
        padding: 1rem;
    }
    
    .fixed-sidebar {
        display: none;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .display-6 {
        font-size: 1.5rem;
    }
    
    body {
        font-size: 0.8rem;
    }
}

@media (min-width: 769px) {
    .navbar .btn[data-bs-toggle="offcanvas"] {
        display: none;
    }
}

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

.metallic-card {
    animation: fadeInUp 0.6s ease-out;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

/* Button Styles */
.btn-metallic {
    background: var(--gradient-accent);
    border: none;
    color: #ffffff;
    font-weight: 500;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-size: 0.9rem;
}

.btn {
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
}

.btn-primary {
    background: var(--gradient-accent);
    border: none;
}

.btn-primary:hover {
    background: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.btn-outline-primary {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline-primary:hover {
    background: var(--accent-primary);
    color: #ffffff;
}

.btn-outline-light {
    border-color: #ffffff;
    color: #ffffff;
}

.btn-outline-light:hover {
    background: #ffffff;
    color: var(--accent-primary);
}

.btn-metallic:hover {
    background: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.btn-metallic::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-metallic:hover::before {
    left: 100%;
}

/* Form Controls */
.form-control-metallic {
    background: var(--secondary-light);
    border: 1px solid var(--border-light);
    color: var(--text-dark);
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.form-control-metallic:focus {
    background: var(--secondary-light);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.15);
    color: var(--text-dark);
}

.form-control-metallic::placeholder {
    color: var(--text-light);
}

.form-label {
    color: var(--text-dark);
    font-weight: 500;
}

/* Textarea specific styles */
textarea.form-control,
textarea.form-control-metallic,
textarea {
    background: var(--secondary-light) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-dark) !important;
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

textarea.form-control:focus,
textarea.form-control-metallic:focus,
textarea:focus {
    background: var(--secondary-light) !important;
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.15) !important;
    color: var(--text-dark) !important;
}

textarea::placeholder {
    color: var(--text-light) !important;
}

/* Input fields */
input.form-control,
input.form-control-metallic,
select.form-control,
select.form-control-metallic {
    background: var(--secondary-light) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-dark) !important;
}

input.form-control:focus,
input.form-control-metallic:focus,
select.form-control:focus,
select.form-control-metallic:focus {
    background: var(--secondary-light) !important;
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.15) !important;
    color: var(--text-dark) !important;
}

/* Loading Animation */
.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--tertiary-light);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* General text size adjustments */
h1, .h1 { font-size: 1.75rem; }
h2, .h2 { font-size: 1.5rem; }
h3, .h3 { font-size: 1.25rem; }
h4, .h4 { font-size: 1.1rem; }
h5, .h5 { font-size: 1rem; }
h6, .h6 { font-size: 0.9rem; }

.lead { font-size: 1rem; }
.small { font-size: 0.8rem; }

.card-title { font-size: 1rem; }
.card-text { font-size: 0.85rem; }

.badge { font-size: 0.75rem; }
.btn-sm { font-size: 0.8rem; padding: 0.25rem 0.6rem; }
.btn-lg { font-size: 0.95rem; padding: 0.5rem 1.2rem; }

/* Text Colors for Light Theme */
.text-muted {
    color: var(--text-light) !important;
}

.text-light {
    color: var(--text-dark) !important;
}

.text-light-emphasis {
    color: var(--text-medium) !important;
}

.text-dark {
    color: var(--text-dark) !important;
}

.text-primary {
    color: var(--accent-primary) !important;
}

.text-success {
    color: var(--accent-success) !important;
}

.text-warning {
    color: var(--accent-warning) !important;
}

.text-danger {
    color: var(--accent-danger) !important;
}

/* Ensure all text elements are visible */
small, .small {
    color: var(--text-medium) !important;
}

.metallic-card .card-title {
    color: var(--text-dark) !important;
}

.metallic-card h5,
.metallic-card h6 {
    color: var(--text-dark) !important;
}

.border-secondary {
    border-color: var(--border-light) !important;
}

.bg-secondary {
    background-color: var(--text-light) !important;
}

.bg-success {
    background-color: var(--accent-success) !important;
}

.badge {
    font-weight: 500;
}

/* Bootstrap bg-light override for fresh theme */
.bg-light {
    background-color: var(--secondary-light) !important;
}

/* Modal styling */
.modal-content {
    background-color: var(--secondary-light) !important;
    color: var(--text-dark) !important;
}

.modal-header {
    background: var(--gradient-accent) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

.modal-header .modal-title {
    color: #ffffff !important;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    background: var(--secondary-light) !important;
}

.modal-footer {
    border-top: 1px solid var(--border-light) !important;
    background: var(--secondary-light) !important;
}

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