:root {
    --bg-color: #050505;
    --bg-gradient: radial-gradient(circle at top, #1a0010 0%, #000000 100%);
    --card-bg: rgba(30, 30, 30, 0.6);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-color: #ffffff;
    --accent-color: #ff007f;
    --accent-gradient: linear-gradient(135deg, #ff007f 0%, #ff4da6 100%);
    --accent-glow: rgba(255, 0, 127, 0.5);
    --secondary-text: #b0b0b0;
    --input-bg: #1e1e1e;
    --success-color: #00ff88;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
}

body {
    background: var(--bg-gradient);
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
    padding-bottom: 90px;
    /* Space for nav */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 0 5px;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(to right, #fff, #b0b0b0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(255, 0, 127, 0.3);
}

.balance-badge {
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    font-weight: 600;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    font-size: 14px;
}

/* Main Content Area */
.tab-content {
    display: none;
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
        scale: 0.98;
    }

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

/* Home / Generate Tab */
.upload-area {
    background: var(--card-bg);
    border: 2px dashed rgba(255, 0, 127, 0.3);
    border-radius: 24px;
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    margin-bottom: 20px;
    backdrop-filter: blur(5px);
}

.upload-area:hover,
.upload-area.drag-over {
    background: rgba(255, 0, 127, 0.08);
    border-color: var(--accent-color);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}

.upload-icon {
    font-size: 56px;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px var(--accent-glow));
    transition: transform 0.3s;
}

.upload-area:hover .upload-icon {
    transform: scale(1.1);
}

.upload-text {
    color: var(--secondary-text);
    font-size: 15px;
    font-weight: 500;
}

/* Result Area */
.result-area {
    margin-top: 20px;
    margin-bottom: 50px;
    display: none;
    animation: fadeIn 0.5s ease;
}

.result-image {
    width: 100%;
    border-radius: 20px;
    border: 1px solid var(--accent-color);
    box-shadow: 0 0 30px var(--accent-glow);
    margin-bottom: 20px;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 18px;
    border-radius: 16px;
    border: none;
    background: var(--accent-gradient);
    color: white;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 15px;
    box-shadow: 0 10px 25px rgba(255, 0, 127, 0.4);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

/* Shine effect */
.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn:hover::after {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 0, 127, 0.6);
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: #444;
    box-shadow: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    box-shadow: none;
    color: var(--secondary-text);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Send to Chat Button Specifics */
.btn[onclick="sendToChat()"] {
    background: rgba(255, 0, 127, 0.1);
    border: 2px solid #ff007f;
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.2);
    animation: pulse-pink-border 2s infinite;
}

.btn[onclick="sendToChat()"]:hover {
    background: rgba(255, 0, 127, 0.2);
    box-shadow: 0 0 25px rgba(255, 0, 127, 0.4);
}

@keyframes pulse-pink-border {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.4);
        border-color: #ff007f;
    }

    70% {
        box-shadow: 0 0 10px 5px rgba(255, 0, 127, 0);
        border-color: #ff4da6;
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 0, 127, 0);
        border-color: #ff007f;
    }
}

/* Store */
.packages-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.package-card {
    background: linear-gradient(145deg, rgba(30, 30, 30, 0.8), rgba(20, 20, 20, 0.9));
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
    cursor: pointer;
    opacity: 0;
    /* For animation */
    animation: fadeInUp 0.5s forwards;
    backdrop-filter: blur(10px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.package-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(255, 0, 127, 0.1);
    transform: translateY(-3px) scale(1.02);
}

.package-info h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 700;
}

.package-info span {
    font-size: 13px;
    color: var(--secondary-text);
}

.package-btn {
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    border-radius: 12px;
    font-weight: 700;
    color: white;
    font-size: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.package-card:hover .package-btn {
    background: var(--accent-gradient);
    border-color: transparent;
    box-shadow: 0 5px 15px var(--accent-glow);
}

/* Navigation - Bottom Bar */
.bottom-nav {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 440px;
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    display: flex;
    justify-content: space-between;
    padding: 15px 25px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 100;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.nav-item {
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    gap: 6px;
    position: relative;
}

.nav-item.active {
    color: var(--accent-color);
    transform: translateY(-2px);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -15px;
    /* hidden but part of layout kinda */
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    filter: blur(15px);
    opacity: 0.5;
    z-index: -1;
}

.nav-item svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Profile Tab */
.profile-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 24px;
    margin-bottom: 25px;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.profile-stat {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.profile-stat span:first-child {
    color: var(--secondary-text);
    font-weight: 500;
}

.profile-stat span:last-child {
    color: var(--text-color);
    font-weight: 700;
    font-size: 16px;
}

.profile-stat:last-child {
    border-bottom: none;
}

/* Loader */
.loader {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.7);
    animation: loader-pulse 1.2s infinite cubic-bezier(0.66, 0, 0, 1);
    margin: 20px auto;
}

@keyframes loader-pulse {
    to {
        box-shadow: 0 0 0 20px rgba(255, 0, 127, 0);
    }
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    z-index: 10;
}