:root {
    --bg-base: #020617;
    --panel-bg: rgba(15, 23, 42, 0.7);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --accent-hover: #2563eb;
    --msg-sent: #3b82f6;
    --msg-received: #1e293b;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

/* Background effects */
.app-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.mesh-gradient {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(29, 78, 216, 0.15), transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15), transparent 50%);
    animation: rotate 60s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Main Chat UI */
.chat-container {
    width: 100%;
    max-width: 900px;
    height: 85vh;
    background-color: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    margin: 0 20px;
}

.chat-header {
    padding: 24px 32px;
    background-color: rgba(15, 23, 42, 0.4);
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.header-title h1 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    margin-top: 4px;
}

/* Status Indicator */
.status {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.status::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status.disconnected {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border-color: rgba(239, 68, 68, 0.2);
}

.status.disconnected::before {
    background-color: var(--error);
}

.status.connecting {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.2);
}

.status.connecting::before {
    background-color: var(--warning);
    animation: pulse 1.5s infinite;
}

.status.connected {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
}

.status.connected::before {
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success);
}

@keyframes pulse {
    0% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.5;
    }
}

/* Setup Area */
#setup-container {
    padding: 20px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 23, 42, 0.3);
    border-bottom: 1px solid var(--panel-border);
    transition: all 0.4s ease;
}

.hint {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

.message {
    max-width: 80%;
    padding: 14px 20px;
    border-radius: 20px;
    font-size: 0.95rem;
    line-height: 1.5;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
    word-break: break-word;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.sent {
    align-self: flex-end;
    background-color: var(--msg-sent);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.received {
    align-self: flex-start;
    background-color: var(--msg-received);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--panel-border);
}

.message.system {
    align-self: center;
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    box-shadow: none;
    border: 1px dashed var(--panel-border);
    border-radius: 12px;
    padding: 8px 16px;
}

/* Input Area */
.chat-input-area {
    padding: 24px 32px;
    background-color: rgba(15, 23, 42, 0.6);
    border-top: 1px solid var(--panel-border);
    display: flex;
    gap: 16px;
    align-items: center;
}

input[type="text"] {
    flex: 1;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 99px;
    padding: 16px 24px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

input[type="text"]:focus {
    border-color: rgba(59, 130, 246, 0.6);
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

input[type="text"]:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn {
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
}

.btn:active:not(:disabled) {
    transform: scale(0.96);
}

.btn.primary {
    background-color: var(--accent-color);
    color: white;
    border-radius: 99px;
    padding: 12px 32px;
    font-weight: 500;
    font-size: 1rem;
}

.btn.btn-glow:hover:not(:disabled) {
    background-color: var(--accent-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.send-btn {
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 52px;
    height: 52px;
}

.send-btn:hover:not(:disabled) {
    background-color: var(--accent-hover);
    box-shadow: 0 0 15px var(--accent-glow);
}

.btn.secondary {
    background-color: transparent;
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
    border-radius: 99px;
    padding: 8px 20px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(100%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Emoji Bar */
.emoji-bar {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background-color: rgba(15, 23, 42, 0.4);
    border-top: 1px solid var(--panel-border);
}

.emoji-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
}

.emoji-btn:not(:disabled) {
    opacity: 1;
}

.emoji-btn:hover:not(:disabled) {
    transform: scale(1.25);
    background-color: rgba(255, 255, 255, 0.1);
}

.emoji-btn:active:not(:disabled) {
    transform: scale(0.9);
}

/* Floating Emoji Animation */
.floating-emoji {
    position: absolute;
    bottom: 0;
    font-size: 2.5rem;
    pointer-events: none;
    /* Don't intercept clicks */
    z-index: 50;
    user-select: none;
    animation: floatUp 3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes floatUp {
    0% {
        transform: translateY(0) scale(0.5);
        opacity: 0;
    }

    10% {
        transform: translateY(-20px) scale(1.2);
        opacity: 1;
    }

    90% {
        opacity: 0.8;
    }

    100% {
        transform: translateY(-80vh) scale(1);
        opacity: 0;
    }
}

/* Klipy GIF Container */
.klipy-container {
    position: absolute;
    bottom: 90px;
    right: 32px;
    width: 320px;
    height: 400px;
    background-color: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
    animation: scaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transform-origin: bottom right;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.klipy-header {
    padding: 12px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    gap: 8px;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.2);
}

.klipy-header input {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s;
}

.klipy-header input:focus {
    border-color: rgba(59, 130, 246, 0.4);
    background-color: rgba(255, 255, 255, 0.1);
}

.klipy-results {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    display: grid;
    /* Use a responsive grid with consistent sizing */
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 80px;
    grid-gap: 10px;
    /* Fallback for Safari */
    gap: 10px;
    align-content: start;
    /* Smooth scrolling for mobile */
    -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar for Klipy Results Grid */
.klipy-results::-webkit-scrollbar {
    width: 6px;
}

.klipy-results::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.klipy-results::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.klipy-results::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

.klipy-results.loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.klipy-results.loading::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: twist 1s linear infinite;
}

@keyframes twist {
    to {
        transform: rotate(360deg);
    }
}

.gif-item {
    width: 100%;
    height: 80px;
    /* Safari sometimes struggles with 100% height in grid auto-rows */
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s;
    background-color: rgba(0, 0, 0, 0.3);
    /* Prevent image dragging to improve click experience */
    user-select: none;
    -webkit-user-drag: none;
}

.gif-item:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    z-index: 10;
    position: relative;
    border: 2px solid var(--accent-color);
}

.klipy-footer {
    padding: 6px 12px;
    border-top: 1px solid var(--panel-border);
    text-align: center;
    background-color: rgba(0, 0, 0, 0.3);
}

.klipy-footer small {
    color: var(--text-secondary);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.message .gif-container {
    margin-top: 8px;
    border-radius: 8px;
    overflow: hidden;
    display: inline-block;
}

.message .gif-content {
    height: 150px !important;
    width: auto !important;
    display: block;
    border-radius: 4px;
}