/* Custom CSS for CTL Analytics - Centinela Purple Palette */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Centinela Color Palette Variables */
:root {
    /* Primary Colors - Centinela Purple */
    --primary-dark: #433589;
    --primary-bright: #6B5CAE;
    --primary-neon: #9B8DD4;

    /* Secondary Colors */
    --secondary-dark-gray: #2D2654;
    --secondary-very-dark: #110F1D;
    --secondary-medium: #5B4BB5;

    /* Support Colors */
    --support-light-gray: #F5F3FA;
    --support-blue-gray: #E8E4F3;
    --support-green-light: #EDE9F8;
    --support-green-gray: #8C82A8;
    --support-text-secondary: #6B6185;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #433589 0%, #6B5CAE 100%);
    --gradient-secondary: linear-gradient(90deg, #5B4BB5 0%, #9B8DD4 100%);
}

[data-theme="dark"] {
    --primary-dark: #9B8DD4;
    --secondary-dark-gray: #E8E4F3;
    --secondary-medium: #B8ACE6;
    --support-light-gray: #110F1D;
    --support-green-light: #1C1930;
    --gradient-primary: linear-gradient(135deg, #9B8DD4 0%, #B8ACE6 100%);
    --gradient-secondary: linear-gradient(90deg, #9B8DD4 0%, #B8ACE6 100%);
}

/* Global Typography */
body {
    font-family: 'Inter', sans-serif !important;
    line-height: 1.6;
}

/* Header logo - uses Chainlit convention: public/logo_dark.png & public/logo_light.png */
img[alt="logo"], img.logo {
    max-height: 52px !important;
    width: auto !important;
    object-fit: contain !important;
}

/* Welcome Screen Container */
.step-container .step.Welcome {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(67, 53, 137, 0.1);
}

[data-theme="dark"] .step-container .step.Welcome {
    background: var(--support-light-gray);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Avatar - uses Chainlit convention: public/avatars/{author_name}.png */
/* Avatar sizing for message bubbles */
img[src*="/avatars/"],
img[alt*="Avatar"] {
    object-fit: cover !important;
    border-radius: 50% !important;
}

/* Add welcome text in the center */
.step.Welcome::before {
    content: "Hola, ¿qué quieres analizar hoy?";
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin: 40px auto;
    padding: 20px;
    letter-spacing: -0.02em;
}

/* Main Title - Centinela Analytics */
.step.Welcome h1 {
    font-family: 'Inter', sans-serif !important;
    font-weight: 700 !important;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3.5em !important;
    text-align: center;
    margin-bottom: 10px !important;
    letter-spacing: -0.02em;
}

/* Subtitle */
.step.Welcome h2 {
    font-family: 'Inter', sans-serif !important;
    font-weight: 500 !important;
    color: var(--secondary-dark-gray) !important;
    text-align: center;
    font-size: 1.3em !important;
    margin-bottom: 40px !important;
}

/* Section Headers */
.step.Welcome h3 {
    font-family: 'Inter', sans-serif !important;
    color: var(--primary-dark) !important;
    font-size: 1.5em !important;
    margin-top: 30px !important;
    margin-bottom: 20px !important;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--primary-bright);
}

/* Feature Cards */
.step.Welcome p strong {
    display: block;
    background: linear-gradient(135deg, var(--support-light-gray) 0%, var(--support-green-light) 100%);
    border-radius: 12px;
    padding: 15px;
    margin: 10px 0;
    border-left: 4px solid var(--secondary-medium);
    color: var(--primary-dark);
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step.Welcome p strong:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(91, 75, 181, 0.2);
}

.step.Welcome p:not(:has(strong)) {
    color: var(--support-text-secondary);
    margin-left: 20px;
    font-size: 0.95em;
}

/* Lists */
.step.Welcome ul {
    list-style: none !important;
    padding-left: 0 !important;
    margin: 20px 0 !important;
}

.step.Welcome ul li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 10px;
    color: var(--secondary-dark-gray);
}

.step.Welcome ul li::before {
    content: "▸" !important;
    position: absolute;
    left: 0;
    color: var(--secondary-medium);
    font-weight: bold;
    font-size: 1.2em;
}

/* Dividers */
.step.Welcome hr {
    border: none !important;
    height: 2px !important;
    background: var(--gradient-secondary) !important;
    margin: 40px 0 !important;
    border-radius: 2px;
}

/* Footer */
.step.Welcome em {
    display: block;
    text-align: center;
    color: var(--support-text-secondary);
    font-size: 0.9em;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--support-green-light);
}

/* Dark mode adjustments */
[data-theme="dark"] .step.Welcome h2 {
    color: var(--support-green-light) !important;
}

[data-theme="dark"] .step.Welcome h3 {
    color: var(--primary-dark) !important;
    border-bottom-color: var(--secondary-medium);
}

[data-theme="dark"] .step.Welcome p strong {
    background: linear-gradient(135deg, #2A2A2A 0%, #1F1F1F 100%);
    border-left-color: var(--secondary-medium);
    color: var(--primary-dark);
}

[data-theme="dark"] .step.Welcome ul li {
    color: var(--support-green-light);
}

[data-theme="dark"] .step.Welcome em {
    color: var(--support-green-gray);
    border-top-color: #2A2A2A;
}

/* Chat Input Improvements */
.MuiInputBase-root {
    background-color: var(--support-light-gray) !important;
    border: 1px solid var(--support-green-light) !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
}

.MuiInputBase-root:hover {
    border-color: var(--secondary-medium) !important;
    background-color: white !important;
}

.MuiInputBase-root.Mui-focused {
    border-color: var(--primary-dark) !important;
    background-color: white !important;
    box-shadow: 0 0 0 3px rgba(67, 53, 137, 0.1) !important;
}

[data-theme="dark"] .MuiInputBase-root {
    background-color: var(--secondary-very-dark) !important;
    border-color: var(--secondary-dark-gray) !important;
}

[data-theme="dark"] .MuiInputBase-root:hover {
    border-color: var(--secondary-medium) !important;
    background-color: #1C1930 !important;
}

[data-theme="dark"] .MuiInputBase-root.Mui-focused {
    border-color: var(--secondary-medium) !important;
    box-shadow: 0 0 0 3px rgba(91, 75, 181, 0.2) !important;
}

/* Buttons */
.MuiButton-containedPrimary {
    background-color: var(--primary-dark) !important;
    color: white !important;
    font-weight: 600 !important;
    transition: background-color 0.3s ease !important;
}

.MuiButton-containedPrimary:hover {
    background-color: var(--secondary-medium) !important;
}

/* Send button */
.MuiButtonBase-root.MuiIconButton-root[type="submit"] {
    color: var(--primary-dark) !important;
}

.MuiButtonBase-root.MuiIconButton-root[type="submit"]:hover {
    background-color: rgba(67, 53, 137, 0.1) !important;
}

[data-theme="dark"] .MuiButtonBase-root.MuiIconButton-root[type="submit"] {
    color: var(--secondary-medium) !important;
}

/* Accessibility Contrast Indicators */
.contrast-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8em;
}

/* ========== LOGIN PAGE CUSTOMIZATION ========== */
/* NOTE: Login page styling is minimal to avoid breaking the main chat UI.
   Chainlit v2 login uses broad CSS classes (.grid, .h-screen) shared with
   the chat layout - overly broad selectors will hide the chat area. */

/* Override Chainlit's default dark mode login image filter (brightness-[0.2] grayscale) */
[data-theme="dark"] img.brightness-\[0\.2\],
[data-theme="dark"] img.grayscale {
    filter: brightness(1) grayscale(0%) !important;
}

/* ========== THINKING MODE TOGGLE BUTTON ========== */

.thinking-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--support-text-secondary, #64716D);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 6px;
}

.thinking-toggle-btn:hover {
    background: var(--support-green-light, #E0E8E6);
    color: var(--primary-dark, #433589);
}

.thinking-toggle-btn.active {
    background: rgba(91, 75, 181, 0.15);
    color: var(--secondary-medium, #5B4BB5);
}

.thinking-toggle-btn.active:hover {
    background: rgba(91, 75, 181, 0.25);
}

[data-theme="dark"] .thinking-toggle-btn {
    color: var(--support-green-gray, #BFCFCC);
}

[data-theme="dark"] .thinking-toggle-btn:hover {
    background: rgba(91, 75, 181, 0.1);
    color: var(--primary-bright, #6B5CAE);
}

[data-theme="dark"] .thinking-toggle-btn.active {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-bright, #6B5CAE);
}

[data-theme="dark"] .thinking-toggle-btn.active:hover {
    background: rgba(91, 75, 181, 0.3);
}

/* Toast notification for mode changes */
.mode-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--primary-dark, #433589);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.mode-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

[data-theme="dark"] .mode-toast {
    background: var(--secondary-medium, #5B4BB5);
}

/* ========== LOADING / THINKING ANIMATIONS ========== */

/* Spinner - smoother rotation with brand color */
svg.animate-spin,
.animate-spin {
    animation: ctl-spin 1s linear infinite !important;
    color: var(--secondary-medium, #5B4BB5) !important;
}

[data-theme="dark"] svg.animate-spin,
[data-theme="dark"] .animate-spin {
    color: var(--primary-neon, #9B8DD4) !important;
}

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

/* Blinking cursor - gentle breathing pulse while streaming */
span.inline-block.rounded-full.animate-pulse {
    animation: ctl-breathe 1.4s ease-in-out infinite !important;
    background: var(--secondary-medium, #5B4BB5) !important;
    width: 10px !important;
    height: 10px !important;
}

[data-theme="dark"] span.inline-block.rounded-full.animate-pulse {
    background: var(--primary-neon, #9B8DD4) !important;
}

@keyframes ctl-breathe {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.35;
        transform: scale(0.8);
    }
}

/* Three-dot typing indicator for progress messages */
@keyframes ctl-dots {
    0%, 20% { content: "."; }
    40% { content: ".."; }
    60% { content: "..."; }
    80%, 100% { content: ""; }
}

/* Skeleton shimmer override - brand colored */
@keyframes ctl-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ========== STEP FEEDBACK STYLING ========== */

/* Parent step title: smaller font, left-aligned, no text justify */
div.step button[data-state="closed"],
div.step button[data-state="open"] {
    font-size: 0.82rem !important;
    text-align: left !important;
    justify-content: flex-start !important;
}

/* Step name text inside accordion trigger */
div.step .font-medium {
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    text-align: left !important;
}

/* Child steps inside accordion content: match parent size */
div.border-l-2 .font-medium {
    font-size: 0.8rem !important;
    font-weight: 400 !important;
}

/* Step loading skeleton with brand gradient */
[class*="skeleton"],
[class*="Skeleton"] {
    background: linear-gradient(
        90deg,
        var(--support-green-light, #DBEAFE) 25%,
        var(--support-blue-gray, #E2E8F0) 50%,
        var(--support-green-light, #DBEAFE) 75%
    ) !important;
    background-size: 200% 100% !important;
    animation: ctl-shimmer 1.5s ease-in-out infinite !important;
}

[data-theme="dark"] [class*="skeleton"],
[data-theme="dark"] [class*="Skeleton"] {
    background: linear-gradient(
        90deg,
        #1C1930 25%,
        #2D2654 50%,
        #1C1930 75%
    ) !important;
    background-size: 200% 100% !important;
}