/**
 * Custom CSS - Story 5.5 Task 3
 *
 * Smooth transitions, animations, and accessibility features
 */

/* ========================================
   Color Variables (Brand Colors)
   ======================================== */
:root {
    /* Fime Brand Colors (from Tailwind config) */
    --color-fime-teal: #00C9A7;
    --color-fime-navy: #1A365D;
    --color-fime-midnight: #2D3748;
    --color-fime-grey: #718096;
    --color-fime-black: #000000;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;

    /* Animation Durations */
    --transition-fast: 150ms;
    --transition-base: 200ms;
    --transition-slow: 300ms;

    /* Easing Functions */
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

/* ========================================
   Transitions for Common Elements (Task 3.1)
   ======================================== */

/* Card Hover Transitions */
.assistant-card,
.conversation-item,
.file-preview-card,
.alert,
.toast {
    transition: transform var(--transition-base) var(--ease-in-out),
                box-shadow var(--transition-base) var(--ease-in-out),
                background-color var(--transition-base) var(--ease-in-out),
                border-color var(--transition-base) var(--ease-in-out);
}

.assistant-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
                0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Button Transitions */
button,
.btn,
a.btn {
    transition: background-color var(--transition-fast) var(--ease-in-out),
                color var(--transition-fast) var(--ease-in-out),
                border-color var(--transition-fast) var(--ease-in-out),
                opacity var(--transition-fast) var(--ease-in-out),
                transform var(--transition-fast) var(--ease-in-out),
                box-shadow var(--transition-fast) var(--ease-in-out);
}

button:hover:not(:disabled),
.btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

button:active:not(:disabled),
.btn:active:not(:disabled) {
    transform: translateY(0);
}

/* Focus Ring Transitions */
*:focus-visible {
    outline: 2px solid var(--color-fime-teal);
    outline-offset: 2px;
    transition: outline-offset var(--transition-fast) var(--ease-in-out);
}

/* Input Field Transitions */
input,
textarea,
select {
    transition: border-color var(--transition-base) var(--ease-in-out),
                box-shadow var(--transition-base) var(--ease-in-out),
                background-color var(--transition-base) var(--ease-in-out);
}

/* Link Transitions */
a {
    transition: color var(--transition-fast) var(--ease-in-out),
                opacity var(--transition-fast) var(--ease-in-out);
}

/* ========================================
   Modal Animations (Task 3.2)
   ======================================== */

/* Modal Backdrop Fade */
.modal-backdrop,
#cancel-modal,
#sidebar-backdrop {
    transition: opacity var(--transition-slow) var(--ease-out);
}

.modal-backdrop.show,
#cancel-modal:not(.hidden),
#sidebar-backdrop:not(.hidden) {
    animation: fadeIn var(--transition-slow) var(--ease-out);
}

/* Modal Slide and Fade */
.modal-dialog,
.modal-content,
#cancel-modal > div {
    animation: modalSlideIn var(--transition-slow) var(--ease-out);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ========================================
   Toast Notification Animations (Task 3.3)
   ======================================== */

/* Toast Slide-in from Right (already implemented in ui-utils.js) */
.toast {
    transition: transform var(--transition-slow) var(--ease-out),
                opacity var(--transition-slow) var(--ease-out);
}

/* Alert Fade-in */
.alert {
    animation: fadeIn var(--transition-base) var(--ease-out);
}

/* ========================================
   Interactive Element Animations (Task 3.4)
   ======================================== */

/* Checkbox/Radio Button Transitions */
input[type="checkbox"],
input[type="radio"] {
    transition: background-color var(--transition-fast) var(--ease-in-out),
                border-color var(--transition-fast) var(--ease-in-out),
                box-shadow var(--transition-fast) var(--ease-in-out);
}

/* Toggle Switch Transitions */
.toggle-switch {
    transition: background-color var(--transition-base) var(--ease-in-out);
}

.toggle-switch::after {
    transition: transform var(--transition-base) var(--ease-in-out);
}

/* Dropdown Menu Slide-down */
.dropdown-menu {
    animation: slideDown var(--transition-base) var(--ease-out);
    transform-origin: top;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: scaleY(0.95) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scaleY(1) translateY(0);
    }
}

/* Sidebar Collapse/Expand */
#conversation-sidebar {
    transition: transform var(--transition-slow) var(--ease-in-out);
}

/* Accordion/Collapsible Transitions */
.collapse {
    transition: height var(--transition-base) var(--ease-in-out),
                opacity var(--transition-base) var(--ease-in-out);
}

/* ========================================
   Skeleton Loading Animations
   ======================================== */

.skeleton-card {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ========================================
   Accessibility: Reduced Motion (Task 3.5)
   ======================================== */

/**
 * Respect user's motion preferences
 * When prefers-reduced-motion is enabled, disable animations
 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    /* Keep essential animations but make them instant */
    .toast,
    .modal-backdrop,
    .modal-dialog,
    .dropdown-menu {
        animation: none !important;
    }

    /* Remove hover transforms */
    .assistant-card:hover,
    button:hover:not(:disabled),
    .btn:hover:not(:disabled) {
        transform: none !important;
    }
}

/* ========================================
   Custom Focus Styles for Accessibility
   ======================================== */

/* High contrast focus indicators */
.btn:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-fime-teal);
    outline-offset: 2px;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    border-color: var(--color-fime-teal);
    box-shadow: 0 0 0 3px rgba(0, 201, 167, 0.1);
}

/* ========================================
   Loading Spinner Animation
   ======================================== */

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   Typing Indicator Animation
   ======================================== */

.typing-indicator .animate-bounce {
    animation: bounce 1.4s infinite ease-in-out;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
}

/* Add staggered delay for each dot (applied via inline styles) */

/* ========================================
   Fade Transitions for Content Loading
   ======================================== */

.fade-in {
    animation: fadeIn var(--transition-slow) var(--ease-out);
}

.fade-out {
    animation: fadeOut var(--transition-slow) var(--ease-out);
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* ========================================
   Progress Bar Animation
   ======================================== */

.progress-bar {
    transition: width var(--transition-slow) var(--ease-out);
}

/* ========================================
   Custom Scrollbar Styling (Optional Enhancement)
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 4px;
    transition: background var(--transition-base) var(--ease-in-out);
}

::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* ========================================
   Utility Classes
   ======================================== */

/* Smooth scroll for anchor links */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* Transition utilities */
.transition-all {
    transition: all var(--transition-base) var(--ease-in-out);
}

.transition-colors {
    transition: color var(--transition-base) var(--ease-in-out),
                background-color var(--transition-base) var(--ease-in-out),
                border-color var(--transition-base) var(--ease-in-out);
}

.transition-opacity {
    transition: opacity var(--transition-base) var(--ease-in-out);
}

.transition-transform {
    transition: transform var(--transition-base) var(--ease-in-out);
}

/* ========================================
   Markdown/Prose Styles for Chat Messages
   ======================================== */

/**
 * Styles for rendered markdown content in assistant messages
 * Uses .prose class for consistent typography
 */
.prose {
    color: var(--color-fime-black);
    line-height: 1.6;
}

.prose > *:first-child {
    margin-top: 0;
}

.prose > *:last-child {
    margin-bottom: 0;
}

/* Headings */
.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
    font-weight: 600;
    margin-top: 1.25em;
    margin-bottom: 0.5em;
    line-height: 1.3;
}

.prose h1 {
    font-size: 1.5em;
}

.prose h2 {
    font-size: 1.25em;
}

.prose h3 {
    font-size: 1.125em;
}

.prose h4,
.prose h5,
.prose h6 {
    font-size: 1em;
}

/* Paragraphs */
.prose p {
    margin-top: 0.75em;
    margin-bottom: 0.75em;
}

/* Lists */
.prose ul,
.prose ol {
    margin-top: 0.75em;
    margin-bottom: 0.75em;
    padding-left: 1.5em;
}

.prose ul {
    list-style-type: disc;
}

.prose ol {
    list-style-type: decimal;
}

.prose li {
    margin-top: 0.25em;
    margin-bottom: 0.25em;
}

.prose li > ul,
.prose li > ol {
    margin-top: 0.25em;
    margin-bottom: 0.25em;
}

/* Nested lists */
.prose ul ul {
    list-style-type: circle;
}

.prose ul ul ul {
    list-style-type: square;
}

/* Code - Inline */
.prose code {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 0.875em;
    background-color: #f3f4f6;
    padding: 0.125em 0.375em;
    border-radius: 0.25rem;
    color: #374151;
}

/* Code - Block */
.prose pre {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 0.875em;
    background-color: #1f2937;
    color: #e5e7eb;
    padding: 1em;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-top: 1em;
    margin-bottom: 1em;
}

.prose pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Blockquotes */
.prose blockquote {
    border-left: 4px solid #d1d5db;
    padding-left: 1em;
    margin-top: 1em;
    margin-bottom: 1em;
    font-style: italic;
    color: #4b5563;
}

.prose blockquote p {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

/* Links */
.prose a {
    color: #0891b2;
    text-decoration: underline;
}

.prose a:hover {
    color: #0e7490;
}

/* Horizontal Rules */
.prose hr {
    border: none;
    border-top: 1px solid #e5e7eb;
    margin-top: 1.5em;
    margin-bottom: 1.5em;
}

/* Tables */
.prose table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1em;
    margin-bottom: 1em;
    font-size: 0.875em;
}

.prose thead {
    border-bottom: 2px solid #d1d5db;
}

.prose th {
    font-weight: 600;
    text-align: left;
    padding: 0.5em 0.75em;
}

.prose td {
    padding: 0.5em 0.75em;
    border-bottom: 1px solid #e5e7eb;
}

.prose tbody tr:last-child td {
    border-bottom: none;
}

/* Strong/Bold */
.prose strong {
    font-weight: 600;
}

/* Emphasis/Italic */
.prose em {
    font-style: italic;
}

/* Strikethrough */
.prose del {
    text-decoration: line-through;
    color: #6b7280;
}

/* Images */
.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin-top: 1em;
    margin-bottom: 1em;
}

/* Task Lists (GitHub Flavored Markdown) */
.prose input[type="checkbox"] {
    margin-right: 0.5em;
    vertical-align: middle;
}

/* Small prose variant */
.prose-sm {
    font-size: 0.9375rem;
}

.prose-sm h1 {
    font-size: 1.375em;
}

.prose-sm h2 {
    font-size: 1.1875em;
}

.prose-sm h3 {
    font-size: 1.0625em;
}

.prose-sm pre {
    font-size: 0.8125em;
    padding: 0.75em;
}

.prose-sm code {
    font-size: 0.8125em;
}

/* Max width none to allow full container width */
.prose.max-w-none {
    max-width: none;
}

/* ========================================
   FinOps Futuristic Theme
   ======================================== */
.finops-shell {
    background: radial-gradient(circle at top right, rgba(71, 212, 255, 0.16), transparent 35%),
                radial-gradient(circle at top left, rgba(165, 95, 255, 0.12), transparent 30%),
                linear-gradient(180deg, #0b1220 0%, #0f172a 100%);
    border-radius: 20px;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.finops-panel {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 14px;
    padding: 1.1rem;
    backdrop-filter: blur(6px);
}

.finops-card {
    background: rgba(30, 41, 59, 0.66);
    border: 1px solid rgba(71, 212, 255, 0.15);
    border-radius: 12px;
    padding: 0.9rem;
}

.finops-card.compact {
    padding: 0.75rem;
}

.finops-kpi-label {
    color: #94a3b8;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.finops-kpi-value {
    color: #f8fafc;
    font-size: 1.6rem;
    font-weight: 700;
}

.finops-btn {
    background: linear-gradient(90deg, #0ea5e9 0%, #14b8a6 100%);
    color: #ffffff;
    border-radius: 10px;
    padding: 0.55rem 0.95rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.finops-btn-secondary {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(148, 163, 184, 0.45);
}

.finops-select,
.finops-input {
    background: rgba(15, 23, 42, 0.95);
    color: #e2e8f0;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 10px;
    padding: 0.5rem 0.7rem;
}