:root {
    --bg-dark: #0a0a0c;
    --bg-darker: #050505;
    --bg-color: #050505;
    --bg-secondary: #0a0a0f;
    --chat-bg: transparent;
    --user-bubble: linear-gradient(135deg, #6366f1, #4f46e5);
    --primary-color: #6366f1;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: rgba(255, 255, 255, 0.05);
    --error-color: #ff4b4b;
    --input-bg: rgba(20, 20, 25, 0.6);
    --gradient-start: #818cf8;
    --gradient-end: #c084fc;
}

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

html {
    height: 100%;
}

body {
    height: 100%;
    width: 100%;
    font-family: 'Outfit', 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
}

/* Dynamic Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #1a1a2e 0%, var(--bg-darker) 100%);
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-start);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-end);
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #3b82f6;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

.app-container {
    display: flex;
    flex-direction: row;
    height: 100%;
    min-height: 100dvh;
    width: 100%;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100%;
    overflow: hidden;
}

/* Premium Sidebar */
.sidebar {
    width: 280px;
    background: rgba(10, 10, 12, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    z-index: 20;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 5px 0 30px rgba(0,0,0,0.5);
}

.new-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.9rem 1rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.08));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.new-chat-btn:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(79, 70, 229, 0.3));
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.25);
}

.chat-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0 0.5rem;
}

.chat-list::-webkit-scrollbar {
    width: 6px;
}
.chat-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    margin: 5px 0;
}
.chat-list::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.7), rgba(168, 85, 247, 0.7));
    border-radius: 10px;
}
.chat-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

.chat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease-out;
    border: 1px solid transparent;
}

.chat-item:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.chat-item.active {
    background: linear-gradient(90deg, rgba(0, 242, 254, 0.05), transparent);
    color: var(--text-primary);
    border-left: 2px solid var(--primary-color);
}

.chat-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    user-select: none;
}

.chat-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.chat-item:hover .chat-actions {
    opacity: 1;
}

.chat-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.chat-action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.chat-action-btn.delete:hover {
    color: var(--error-color);
    background: rgba(255, 75, 75, 0.15);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 3rem;
    background-color: rgba(10, 10, 12, 0.5);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
    position: sticky;
    top: 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 32px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.model-badge {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #818cf8;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Chat Container */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 0 140px 0; /* extra padding for floating input */
    display: flex;
    flex-direction: column;
    scroll-behavior: smooth;
}

/* Premium Scrollbar */
.chat-container::-webkit-scrollbar {
    width: 8px;
}
.chat-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.01);
    border-radius: 10px;
    margin: 10px 0;
}
.chat-container::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.7), rgba(168, 85, 247, 0.7));
    border-radius: 10px;
    border: 2px solid var(--bg-dark); /* faux padding */
}
.chat-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

/* Chat Messages */
.chat-message {
    padding: 1rem 2rem;
    display: flex;
    gap: 1.5rem;
    width: 100%;
    max-width: 850px;
    margin: 0 auto 1.5rem auto;
    animation: messageSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-avatar img {
    width: 22px;
    height: 22px;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    display: none; /* Hide user avatar for a cleaner look, iMessage style */
}

.message-content {
    flex: 1;
    font-size: 1.05rem;
    line-height: 1.6;
    color: #e4e4e7;
    overflow-wrap: break-word;
}

.ai-message .message-content {
    padding-top: 0.3rem; /* align with avatar */
}

.message-content p {
    margin-bottom: 0.8rem;
}

/* User Text Bubble explicitly styled */
.user-bubble-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    max-width: 85%;
}

.user-bubble-text {
    background: var(--user-bubble);
    padding: 1rem 1.5rem;
    border-radius: 1.25rem;
    border-bottom-right-radius: 0.25rem;
    display: inline-block;
    max-width: 100%;
    font-weight: 500;
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* User Prompt Action Buttons (Edit/Copy) */
.user-actions {
    display: flex;
    gap: 0.5rem;
}

.prompt-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.prompt-action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Inline Edit Area */
.edit-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    min-width: 350px;
    background: rgba(25, 25, 30, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.edit-textarea {
    width: 100%;
    background: transparent;
    border: none;
    padding: 0.5rem;
    color: #f8f9fa;
    font-size: 1.05rem;
    font-family: inherit;
    resize: none;
    outline: none;
    line-height: 1.5;
    max-height: 300px;
}

.edit-textarea::-webkit-scrollbar { width: 4px; }
.edit-textarea::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.2); border-radius: 10px; }

.edit-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.edit-cancel-btn,
.edit-submit-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1.2rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.edit-cancel-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.edit-submit-btn {
    background: rgba(16, 163, 127, 0.2);
    color: #10a37f;
    border: 1px solid rgba(16, 163, 127, 0.4);
}

.edit-submit-btn:hover {
    background: rgba(16, 163, 127, 0.3);
    color: #fff;
    border-color: #10a37f;
}

/* Generated Image Styling */
.generated-image-box {
    margin-top: 0.5rem;
    border-radius: 16px;
    overflow: hidden;
    background: rgba(20, 20, 25, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    max-width: 512px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.generated-image-box img {
    width: 100%;
    height: auto;
    display: block;
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Nature Loading Animation */
.nature-loading-container {
    width: 100%;
    max-width: 512px;
    aspect-ratio: 1/1;
    border-radius: 12px;
    background: rgba(20, 20, 25, 0.4);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.landscape-loader {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    border: 4px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5), inset 0 0 20px rgba(0,0,0,0.5);
    animation: skyColor 12s linear infinite;
}

.landscape-svg {
    position: absolute;
    bottom: -2px; 
    left: 0;
    width: 100%;
    height: 55%;
    z-index: 10;
}

.orbit-center {
    position: absolute;
    top: 60%;
    left: 50%;
    width: 0;
    height: 0;
    z-index: 5;
}

.sun-container {
    position: absolute;
    top: 0; left: 0;
    animation: orbitAnim 12s linear infinite;
}

.moon-container {
    position: absolute;
    top: 0; left: 0;
    animation: orbitAnim 12s linear infinite;
    animation-delay: -6s;
}

.sun-body {
    position: absolute;
    top: -85px;
    left: -15px;
    width: 30px;
    height: 30px;
    background: #FFD700;
    border-radius: 50%;
    box-shadow: 0 0 20px #FFD700, 0 0 40px #FFA500;
}

.moon-body {
    position: absolute;
    top: -85px;
    left: -12px;
    width: 24px;
    height: 24px;
    background: #F4F6F0;
    border-radius: 50%;
    box-shadow: 0 0 15px #FFF, 0 0 30px rgba(255,255,255,0.4);
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 1;
    animation: starsFade 12s linear infinite;
    background-image: 
        radial-gradient(1px 1px at 20px 30px, #ffffff, rgba(0,0,0,0)),
        radial-gradient(1.5px 1.5px at 50px 70px, #ffffff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 100px 40px, #ffffff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 130px 80px, #ffffff, rgba(0,0,0,0)),
        radial-gradient(1.5px 1.5px at 140px 30px, #ffffff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 70px 20px, #ffffff, rgba(0,0,0,0));
}

.loading-text {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

@keyframes orbitAnim {
    0% { transform: rotate(-90deg); }
    100% { transform: rotate(270deg); }
}

@keyframes skyColor {
    0%, 100% { background-color: #ff7e5f; box-shadow: inset 0 0 50px #feb47b; } 
    25% { background-color: #56CCF2; box-shadow: inset 0 0 50px #2F80ED; } 
    50% { background-color: #dd2476; box-shadow: inset 0 0 50px #ff512f; } 
    75% { background-color: #0b1a2a; box-shadow: inset 0 0 50px #040a12; } 
}

@keyframes starsFade {
    0%, 40% { opacity: 0; }
    60%, 90% { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes pulse-orb {
    0% { transform: scale(0.8); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 1; filter: hue-rotate(45deg); }
}

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

@keyframes text-shine {
    to { background-position: 300% center; }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Image Action Buttons inside chat */
.image-actions {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #1e1e1e;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.action-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.action-btn svg {
    opacity: 0.7;
    transition: opacity 0.2s;
}

.action-btn:hover svg {
    opacity: 1;
}

/* Fixed Bottom Input Area (Floating Capsule) */
.input-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, transparent, rgba(5,5,5,0.8) 50%, #050505 100%);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
    z-index: 15;
}

.input-form {
    width: 100%;
    max-width: 800px;
    pointer-events: auto;
    position: relative;
}

.input-wrapper {
    position: relative;
    display: flex;
    background: rgba(20, 20, 25, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2rem;
    padding: 0.6rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 242, 254, 0.05) inset;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-wrapper:focus-within {
    border-color: rgba(0, 242, 254, 0.3);
    background: rgba(20, 20, 25, 0.8);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 242, 254, 0.1) inset;
    transform: translateY(-2px);
}

input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    padding: 0.85rem 1.5rem;
    outline: none;
    font-family: inherit;
}

input::placeholder {
    color: var(--text-secondary);
}

#generate-btn {
    background: linear-gradient(135deg, var(--accent, #6366f1), var(--accent-hover, #4f46e5));
    color: #fff;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s;
    margin-left: 0.5rem;
    align-self: center;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

#generate-btn:hover {
    transform: scale(1.08) rotate(-5deg);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

#generate-btn:disabled {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.3);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.footer-text {
    text-align: center;
    color: rgba(255,255,255,0.3);
    font-size: 0.75rem;
    margin-top: 1rem;
    letter-spacing: 0.5px;
}

/* Hidden class */
.hidden {
    display: none !important;
}

/* Image Lightbox Modal */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    animation: fadeIn 0.3s ease;
    backdrop-filter: blur(10px);
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    animation: zoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255,255,255,0.05);
}

.modal-close {
    position: absolute;
    top: 25px;
    right: 40px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: 300;
    transition: 0.3s;
    cursor: pointer;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.modal-close:hover {
    color: #00f2fe;
    transform: scale(1.1);
}

@keyframes zoomIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@media (max-width: 768px) {
    .chat-message { padding: 1rem; }
    .input-container { padding: 1rem; }
}

/* Custom UI Modal (Prompt / Confirm) */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.custom-modal.hidden {
    display: none !important;
    opacity: 0;
}

.custom-modal-content {
    background: rgba(15, 15, 20, 0.85);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    width: 90%;
    max-width: 420px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 254, 0.05) inset;
    transform: scale(1);
    animation: modalPop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@keyframes modalPop {
    0% { transform: scale(0.9) translateY(20px); opacity: 0; }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

#custom-modal-title {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

#custom-modal-message {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

#custom-modal-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1.05rem;
    transition: all 0.2s;
    box-sizing: border-box;
}

#custom-modal-input:focus {
    outline: none;
    border-color: rgba(0, 242, 254, 0.5);
    box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
}

.custom-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 0.5rem;
}

.modal-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.modal-btn.cancel-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-btn.cancel-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.modal-btn.confirm-btn {
    background: linear-gradient(135deg, #00f2fe, #4facfe);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.modal-btn.confirm-btn.danger {
    background: linear-gradient(135deg, #ff4b4b, #ff0000);
    box-shadow: 0 4px 15px rgba(255, 75, 75, 0.3);
    color: #fff;
}

.modal-btn.confirm-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}
.modal-btn.confirm-btn.danger:hover {
    box-shadow: 0 6px 20px rgba(255, 75, 75, 0.4);
}

/* Image Upload UI */
#upload-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0 0.5rem 0 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#upload-btn:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

#image-preview-container {
    position: absolute;
    bottom: calc(100% + 15px);
    left: 2rem;
    background: rgba(15, 15, 20, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 10;
    max-width: calc(100% - 4rem);
    animation: zoomIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#image-preview {
    max-height: 120px;
    max-width: 180px;
    border-radius: 8px;
    object-fit: cover;
}

#clear-image-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1;
    padding: 0;
    transition: all 0.2s;
}

#clear-image-btn:hover {
    background: var(--error-color);
    transform: rotate(90deg);
}
/* Responsive Sidebar and Mobile Overrides */
.hamburger-menu-btn, .sidebar-close-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: none;
    padding: 0.5rem;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}

.hamburger-menu-btn:hover, .sidebar-close-btn:hover {
    opacity: 0.7;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 15;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Base states for desktop toggle if wanted later */
.sidebar {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s;
}

/* Mobile Media Query */
@media (max-width: 768px) {
    .hamburger-menu-btn {
        display: flex;
    }
    
    .sidebar-close-btn {
        display: flex;
        position: absolute;
        top: 1rem;
        right: 1rem;
        z-index: 30;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        transform: translateX(-100%); /* Hidden by default */
        box-shadow: none;
        padding-top: 4rem; /* Space for close button */
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 5px 0 30px rgba(0,0,0,0.8);
    }
    
    /* Make chat area full width */
    .app-container {
        display: block;
    }

    .main-content {
        width: 100vw;
        height: 100%;
    }
    
    /* Adjust input and bubbles for mobile */
    .user-bubble-container {
        max-width: 95%;
    }
    
    .input-container {
        padding: 1rem;
    }
    
    .navbar {
        padding: 1rem 0.5rem;
    }

    .logo-container {
        gap: 0.5rem;
    }

    .navbar h1 {
        font-size: 1.1rem;
    }

    .model-badge {
        padding: 0.2rem 0.5rem;
        font-size: 0.7rem;
    }
}

/* Desktop Overrides for Collapsible Sidebar */
@media (min-width: 769px) {
    .hamburger-menu-btn {
        display: flex;
    }
    
    .sidebar {
        overflow-x: hidden;
    }

    .sidebar.closed {
        width: 0;
        padding-left: 0;
        padding-right: 0;
        border: none;
        opacity: 0;
        visibility: hidden;
    }
}

/* Premium Mobile Overrides for App Page */
@media (max-width: 768px) {
    .initial-greeting {
        margin: 1rem;
        padding: 1.5rem;
    }
    .initial-greeting .message-content p {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    .input-container {
        padding: 0.5rem 1rem 1.5rem 1rem;
        background: linear-gradient(to top, rgba(10, 10, 12, 1) 50%, transparent);
    }
    .input-wrapper {
        border-radius: 20px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    }
}

/* Ultimate Premium App Mobile UI fixes */
@media (max-width: 768px) {
    .input-container {
        padding: 0 1rem 1rem 1rem !important;
        background: transparent !important;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 50;
        box-sizing: border-box;
    }
    .input-wrapper {
        border-radius: 30px !important;
        background: rgba(20, 20, 25, 0.85) !important;
        border: 1px solid rgba(255,255,255,0.15) !important;
        backdrop-filter: blur(24px) !important;
        -webkit-backdrop-filter: blur(24px) !important;
        box-shadow: 0 15px 40px rgba(0,0,0,0.8), inset 0 1px 1px rgba(255,255,255,0.2) !important;
        padding: 0.35rem 0.35rem 0.35rem 1rem !important;
        display: flex;
        align-items: center;
        width: 100%;
        box-sizing: border-box;
    }
    input {
        padding: 0.5rem 0 !important;
        font-size: 1rem !important;
        width: calc(100% - 50px);
        margin: 0;
    }
    #generate-btn {
        width: 42px !important;
        height: 42px !important;
        margin-left: 0.5rem !important;
        flex-shrink: 0;
        align-self: center;
        margin-top: 0 !important;
        margin-bottom: 0 !important;
    }
    .footer-text {
        font-size: 0.75rem;
        color: rgba(255, 255, 255, 0.6);
        margin-top: 0.75rem;
        text-shadow: 0 1px 2px rgba(0,0,0,0.8);
    }
    .chat-container {
        padding-bottom: 7rem;
    }
}

/* Premium Native Messenger Look for Mobile Chat Bubbles */
@media (max-width: 768px) {
    .chat-message {
        padding: 0.75rem 1rem !important;
        gap: 0.75rem;
    }
    .user-bubble-text {
        padding: 0.8rem 1.25rem !important;
        font-size: 1rem !important;
        border-radius: 1.5rem !important;
        border-bottom-right-radius: 0.35rem !important;
        box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4) !important;
    }
    .prompt-action-btn {
        font-size: 0.8rem !important;
        padding: 0.4rem 0.6rem !important;
        color: rgba(255,255,255,0.7) !important;
    }
    .image-actions {
        padding: 0.5rem 0.75rem !important;
    }
    .action-btn {
        padding: 0.5rem !important;
        font-size: 0.8rem !important;
    }
    .message-avatar {
        width: 30px !important;
        height: 30px !important;
    }
    .message-avatar img {
        width: 18px !important;
        height: 18px !important;
    }
}

/* Premium UX Features CSS */
.gallery-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding: 0.5rem 1.5rem 1rem 1.5rem;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}
.gallery-thumbnail {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 8px;
    object-fit: cover;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.2s;
}
.gallery-thumbnail:hover {
    transform: scale(1.05);
    border-color: rgba(0, 242, 254, 0.5);
}

.magic-prompt-btn {
    background: transparent;
    border: none;
    color: #a855f7;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s;
}
.magic-prompt-btn:hover {
    background: rgba(168, 85, 247, 0.15);
    transform: scale(1.1) rotate(15deg);
    color: #d8b4fe;
}

.image-preview-container {
    position: relative;
    margin-right: 0.5rem;
    display: flex;
    align-items: center;
}
.image-preview-container img {
    height: 40px;
    width: 40px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
}
.remove-preview-btn {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.dropzone-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(10px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.dropzone-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.dropzone-content {
    border: 2px dashed rgba(0, 242, 254, 0.5);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    color: #00f2fe;
    background: rgba(0, 242, 254, 0.05);
}

.image-reveal {
    animation: imageReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes imageReveal {
    from {
        filter: blur(20px);
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        filter: blur(0);
        opacity: 1;
        transform: scale(1);
    }
}

/* Ultimate Premium Mobile Overrides for New Features */
@media (max-width: 768px) {
    /* Gallery Modal Mobile Fixes */
    #gallery-modal .modal-content {
        width: 95% !important;
        height: 90vh !important;
        padding: 1.25rem !important;
        border-radius: 16px !important;
    }
    #full-gallery-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem !important;
        margin-top: 1rem !important;
        padding-right: 0 !important;
    }
    #gallery-modal h2 {
        font-size: 1.25rem !important;
    }

    /* Image Action Buttons (Remix, Upscale, Download) */
    .image-actions {
        padding: 0.5rem !important;
        gap: 0.35rem !important;
    }
    .image-actions .action-btn {
        font-size: 0.75rem !important;
        padding: 0.5rem 0.25rem !important;
        flex-direction: column !important;
        gap: 0.2rem !important;
        border-radius: 10px !important;
    }
    .image-actions .action-btn svg {
        width: 18px !important;
        height: 18px !important;
    }

    /* Magic Prompt Button Alignment */
    .magic-prompt-btn {
        padding: 0.4rem !important;
        margin-left: 0.2rem !important;
    }
    .magic-prompt-btn svg {
        width: 18px !important;
        height: 18px !important;
    }
    
    /* Make sure chat input fits everything */
    .input-wrapper input {
        padding: 0.5rem 0.25rem !important;
        font-size: 0.9rem !important;
    }
}

/* Ultimate Premium Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(10, 10, 12, 0.5);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    border: 2px solid rgba(10, 10, 12, 0.5); /* Creates a faux padding effect */
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}
::-webkit-scrollbar-corner {
    background: transparent;
}

/* Make sure gallery grid has padding for the scrollbar so it doesn't overlap images */
#full-gallery-grid {
    padding-right: 10px !important;
}

/* Ultimate Quality of Life Mobile Fixes */
@media (max-width: 768px) {
    /* Improve touch targets for mobile */
    button {
        min-height: 44px; /* Minimum recommended touch target size */
    }
    
    /* Make rate limit modal perfectly readable on small screens */
    #rate-limit-modal .modal-content {
        padding: 1.5rem !important;
        width: 95% !important;
    }
    #rate-limit-modal h2 {
        font-size: 1.5rem !important;
    }
    #rate-limit-modal p {
        font-size: 0.85rem !important;
    }

    /* Adjust chat message spacing so it's not too cramped */
    .chat-message {
        margin: 1rem 0 !important;
        gap: 0.75rem !important;
    }
    
    /* Better image actions spacing on mobile */
    .image-actions {
        flex-wrap: nowrap !important;
        overflow-x: auto !important; /* Allow scrolling if it doesn't fit */
        padding-bottom: 0.5rem !important;
        -webkit-overflow-scrolling: touch;
    }
    .image-actions .action-btn {
        flex: 1 0 auto; /* Allow them to shrink but stay horizontal if needed */
        min-width: 70px;
    }

    /* Prevent accidental drag & drop overlay triggers on touch devices */
    .dropzone-overlay {
        display: none !important; /* Drag and drop is mostly for desktop */
    }
    
    /* Hide scrollbars on horizontal scroll areas like action buttons */
    .image-actions::-webkit-scrollbar {
        display: none;
    }
}