/**
 * Main Stylesheet
 * Global styles, Tailwind configuration, and base theme styles
 */

/* Base global transitions */
body {
    font-family: 'Lora', Georgia, serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Subtle Background Texture (Dark Mode) */
html.dark body {
    background: radial-gradient(ellipse at 50% 30%, #222018 0%, #161614 60%, #111110 100%);
    background-attachment: fixed;
}

/* Hide scrollbars for cleaner look like native apps */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
}

/* Input Box Polish */
.chat-input-wrapper {
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
    border: 1px solid rgba(196, 120, 80, 0.25) !important;
}

.chat-input-wrapper:focus-within {
    box-shadow: 0 0 0 1.5px rgba(196, 120, 80, 0.4) !important;
    border-color: rgba(196, 120, 80, 0.4) !important;
}

/* Custom placeholder color */
html.dark #chatInput::placeholder {
    color: rgba(255, 255, 255, 0.3) !important;
}

html:not(.dark) #chatInput::placeholder {
    color: rgba(0, 0, 0, 0.3) !important;
}

/* Memory Banner */
.memory-banner {
    border-left: 3px solid #da7756;
    background: #f2f0eb;
    color: #2d2d2d;
}

html.dark .memory-banner {
    background: #383838;
    color: #e5e5e5;
}

.memory-banner-icon {
    color: #da7756;
}

.memory-banner-close {
    color: inherit;
    opacity: 0.72;
}

.memory-banner-close:hover {
    opacity: 1;
}

/* Welcome Title Typography */
.welcome-title {
    font-family: 'Lora', serif;
    font-size: clamp(2rem, 3.8vw, 2.8rem);
    letter-spacing: 0.01em;
}

/* Task 1: Initial State & Chat State Transitions */
#inputAreaWrapper {
    transition: bottom 0.5s cubic-bezier(0.2, 0, 0, 1), transform 0.5s cubic-bezier(0.2, 0, 0, 1), background-color 0.3s ease;
}

.initial-state-container {
    position: absolute !important;
    top: 56px;
    /* below header */
    bottom: 0 !important;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start !important;
    /* Shift up to match user's red/blue box reference robustly */
    padding-top: 20vh !important;
    padding-bottom: 0 !important;
    transform: none !important;
}

/* Dynamically narrow down the input box on initial state */
.initial-state-container .max-w-2xl {
    max-width: 38rem !important;
    /* between xl and 2xl */
}

.chat-state-container .max-w-2xl {
    transition: max-width 0.4s ease;
}

/* Taller input box on initial state */
.initial-state-container #chatInput {
    min-height: 80px !important;
    padding-top: 1.5rem !important;
    transition: min-height 0.4s ease, padding 0.4s ease;
}

.chat-state-container {
    position: absolute !important;
    bottom: 0px !important;
    top: auto !important;
    display: block;
    transform: translateY(0);
}

#inputGradientMask,
#inputBgMask {
    transition: opacity 0.5s ease;
}

#welcomeScreen {
    transition: opacity 0.3s ease, height 0.3s ease, margin 0.3s ease, transform 0.3s ease;
    transform: translateY(0);
}

#welcomeScreen.hidden {
    display: flex !important;
    opacity: 0 !important;
    pointer-events: none;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden;
    transform: translateY(-20px);
}