:root {
    --dark-bg: #0f0f13;
    --darker-bg: #070709;
    --accent: #ff3333;
    --accent-glow: rgba(255, 51, 51, 0.2);
    --text: #ffffff;
    --text-secondary: #94a3b8;
    --gradient-start: #ff3333;
    --gradient-end: #ff0066;
    --surface: rgba(15, 15, 19, 0.7);
    --surface-border: rgba(255, 51, 51, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--dark-bg);
    color: var(--text);
    min-height: 100vh;
    background: radial-gradient(circle at top right, var(--darker-bg) 0%, var(--dark-bg) 100%);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    overscroll-behavior-y: contain;
}

.container {
    display: flex;
    min-height: 100vh;
    backdrop-filter: blur(20px);
    gap: 20px;
    padding: 20px;
    flex-direction: row;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 12px;
        gap: 12px;
    }
    
    .left-panel {
        width: 100% !important;
        border-right: none !important;
        padding: 16px;
        margin-bottom: 12px;
    }

    .avatar {
        width: 100px;
        height: 100px;
    }

    .nickname {
        font-size: 20px;
    }

    .social-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .btn {
        padding: 12px 16px;
        min-height: 44px; /* Better touch target */
    }

    .theme-editor {
        grid-template-columns: 1fr !important;
        padding: 16px;
    }

    .theme-header {
        flex-direction: column;
        gap: 12px;
    }

    .theme-info {
        flex-direction: column;
        width: 100%;
    }

    .input-group {
        width: 100%;
    }

    input[type="text"],
    input[type="number"] {
        height: 44px; /* Better touch target */
        font-size: 16px; /* Prevent iOS zoom */
    }

    /* Color Picker Modal Optimizations */
    .modal-content {
        width: 90%;
        max-width: 500px;
        padding: 16px;
        margin: 16px;
    }

    .color-picker-container {
        flex-direction: column;
        align-items: center;
    }

    #colorWheel {
        width: 250px;
        height: 250px;
        touch-action: none; /* Better touch handling */
    }

    .slider-container {
        width: 100%;
    }

    input[type="range"] {
        height: 30px; /* Better touch target for sliders */
    }

    .format-toggle {
        gap: 8px;
    }

    .format-btn {
        padding: 8px 12px;
        min-height: 44px;
    }
}

/* Small phones */
@media (max-width: 380px) {
    .container {
        padding: 8px;
    }

    .avatar {
        width: 80px;
        height: 80px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    #colorWheel {
        width: 200px;
        height: 200px;
    }
}

/* Add smooth touch feedback */
@media (hover: none) {
    .btn:active {
        transform: scale(0.96);
        transition: transform 0.1s ease;
    }

    .color-preview-large:active {
        transform: scale(0.98);
    }
}

.left-panel {
    width: 300px;
    background: var(--surface);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-right: 1px solid var(--surface-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    backdrop-filter: blur(20px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.left-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.left-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: glow 2s infinite;
}

.profile {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    width: 100%;
}

.avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 3px solid transparent;
    background: linear-gradient(var(--dark-bg), var(--dark-bg)) padding-box,
                linear-gradient(45deg, var(--gradient-start), var(--gradient-end)) border-box;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 8px 32px var(--accent-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.nickname {
    font-size: 24px;
    font-weight: 600;
    background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px var(--accent-glow);
    animation: glow 3s ease-in-out infinite;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.right-panel {
    flex: 1;
    padding: 20px;
    background: rgba(10, 10, 10, 0.7);
}

.file-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--surface);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--surface-border);
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.hidden-input {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

.file-input-wrapper {
    position: relative;
    display: inline-block;
}

.btn {
    background: rgba(15, 15, 19, 0.8);
    color: var(--text);
    border: 2px solid var(--surface-border);
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-weight: 500;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 140px;
    justify-content: center;
}

.btn i {
    font-size: 1.2em;
}

.btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.btn:active {
    transform: translateY(0);
}

.btn.primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
    filter: brightness(1.1);
}

.btn.primary:active {
    transform: translateY(0);
    filter: brightness(0.95);
}

.theme-editor {
    background: var(--surface);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--surface-border);
    overflow: hidden;
}

.theme-header {
    padding: 24px;
    border-bottom: 1px solid var(--surface-border);
    background: rgba(15, 15, 19, 0.5);
}

.theme-colors {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    padding: 24px;
}

.theme-info {
    display: flex;
    gap: 20px;
}

.theme-info .input-group {
    flex: 1;
}

.theme-info label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    margin-bottom: 8px;
    font-size: 14px;
}

.theme-info input {
    width: 100%;
    padding: 8px 12px;
    background: rgba(15, 15, 19, 0.8);
    border: 2px solid var(--surface-border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    transition: all 0.3s ease;
}

.theme-info input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

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

.color-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--surface);
    padding: 20px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--surface-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    width: 320px;
    height: 88px;
}

.color-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--accent-glow);
    border-color: var(--accent);
}

.color-preview {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    border: 2px solid var(--surface-border);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.color-preview:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 20px var(--accent-glow);
    border-color: var(--accent);
}

.color-name {
    flex: 1;
    font-weight: 500;
    color: var(--text);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.color-input {
    background: rgba(15, 15, 19, 0.8);
    border: 2px solid var(--surface-border);
    color: var(--text);
    padding: 10px 14px;
    border-radius: 10px;
    width: 130px;
    min-width: 130px;
    transition: all 0.3s ease;
    font-family: 'Inter', monospace;
    font-size: 0.9rem;
}

.color-input:focus {
    outline: none;
    border-color: var(--gradient-end);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

/* Modal Styles */
.modal {
    backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: 16px;
    padding: 24px;
    width: 90%;
    max-width: 600px;
    border: 1px solid var(--surface-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: modalFadeIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    color: var(--text);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--surface-border);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-end);
}

/* Glass morphism effect for containers */
.glass {
    background: rgba(5, 5, 5, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 51, 51, 0.1);
}

/* Color Picker Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    width: 500px;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(255, 51, 51, 0.2);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--accent);
}

.modal-header h3 {
    color: var(--text);
    margin: 0;
    background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.color-picker-container {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.picker-section {
    flex: 1;
}

#colorWheel {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin-bottom: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.slider-container label,
.slider-container span {
    color: var(--text);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.slider-container input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--darker-bg);
    border-radius: 3px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: transform 0.2s ease;
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.color-values {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.preview-container {
    width: 100%;
    height: 60px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
}

#colorPreview {
    width: 100%;
    height: 100%;
    background: #ff0000;
}

.inputs-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.input-group label {
    color: var(--text-secondary);
    font-size: 14px;
}

.input-group input {
    background: rgba(5, 5, 5, 0.8);
    border: 1px solid var(--accent);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--gradient-end);
    box-shadow: 0 0 15px var(--accent-glow);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--accent);
}

.color-preview-large {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    margin: 10px auto;
    border: 2px solid var(--surface-border);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.social-buttons .btn {
    width: 100%;
    justify-content: flex-start;
    padding: 12px 20px;
}