/* --- FIXED COLORS AND VARIABLES (TIKTOK THEME) --- */
:root {
    /* TikTok Brand Colors */
    --tt-red: #fe2c55;
    --tt-cyan: #25f4ee;
    --tt-black: #010101;
    --tt-dark-gray: #121212;
    
    /* Functional Colors */
    --primary-action: var(--tt-red);
    --secondary-action: var(--tt-cyan);
    --error-red: #ff0050; /* Slightly darker red for errors */
    --error-light: #ffe6eb;
    
    /* Text Colors */
    --dark-text: #161823; /* TikTok's standard dark text */
    --medium-text: #8a8b91; /* TikTok's grey text */
    
    /* Backgrounds */
    --background-color: #f8f8f8; /* Clean off-white background */
    --accent-color: #ffffff; 
    --light-bg: #ffffff;
    --border-color: #e3e3e4;
    
    /* Shadow for Glitch Effect */
    --glitch-shadow: 2px 2px 0px rgba(37, 244, 238, 0.2), -2px -2px 0px rgba(254, 44, 85, 0.2);
}

/* --- Base & Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    /* Changed to Montserrat/sans-serif for that modern app feel */
    font-family: 'Montserrat', 'Proxima Nova', sans-serif; 
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* --- Background (Modern Clean) --- */
.background-wrapper {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px;
    /* Subtle mesh gradient using TikTok colors very faintly */
    background: radial-gradient(circle at top left, rgba(37, 244, 238, 0.05), transparent 40%),
                radial-gradient(circle at bottom right, rgba(254, 44, 85, 0.05), transparent 40%);
    background-color: var(--background-color);
}

/* Ensure no stray background elements */
.background-wrapper::before,
.background-wrapper::after {
    content: none;
}

/* --- Main Content Container --- */
.container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 480px; 
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 50px; 
    padding-bottom: 50px; 
}


/* --- Header & Typography --- */
header {
    margin-bottom: 30px;
}

header h1, header p.tagline {
    color: var(--dark-text); 
}

/* LOGO: Changed to Black with TikTok Glitch Shadow */
.logo-icon-wrapper {
    width: 65px;
    height: 65px;
    margin: 0 auto 15px;
    background: var(--tt-black); 
    border-radius: 14px; /* Slightly tighter radius than IG */
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255,255,255,0.1);
}

.logo-icon-wrapper i {
    font-size: 34px;
    color: #fff; 
    /* The Glitch effect on the icon */
    text-shadow: 2px 2px 0px var(--tt-cyan), -2px -2px 0px var(--tt-red);
}

h1 {
    font-size: 36px;
    font-weight: 800; /* Bolder font weight */
    color: var(--dark-text);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 15px;
    color: var(--medium-text);
    font-weight: 500;
    max-width: 350px;
    margin: 0 auto;
}

/* --- Generator Card --- */
.generator-card {
    background-color: var(--light-bg);
    border-radius: 12px; /* Standard App Radius */
    padding: 50px 30px 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); /* Flatter shadow */
    position: relative;
    width: 100%; 
    border: 1px solid var(--border-color);
}

/* Step Indicator */
.step-indicator {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--light-bg);
    border: 3px solid var(--tt-black); /* Solid black border */
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: 800;
    color: var(--tt-black);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.card-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: 15px;
}
.card-content p {
    color: var(--medium-text);
}

/* --- Input Group & Amount Selector (Step 1) --- */
.input-group {
    display: flex;
    align-items: center;
    background-color: #f1f1f2; /* TikTok Light Gray Input Background */
    border: 1px solid transparent;
    border-radius: 4px; /* TikTok uses slightly squarer inputs */
    padding: 12px 15px;
    transition: border 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--medium-text);
}

.input-group i {
    color: var(--dark-text);
    margin-right: 10px;
    font-size: 18px;
}

.input-group input {
    flex-grow: 1;
    border: none;
    outline: none;
    font-size: 16px;
    background: transparent;
    color: var(--dark-text);
    font-weight: 600;
}

.followers-amount-section h3 {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 700;
}

.amount-options-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.amount-option {
    border: 1px solid var(--border-color);
    background-color: #fff;
    border-radius: 8px;
    padding: 15px 0;
    cursor: pointer;
    transition: all 0.2s;
}

/* Selected state uses TikTok Red */
.amount-option.selected {
    border-color: var(--tt-red);
    background-color: #fff2f5; /* Very light red bg */
    box-shadow: 0 0 0 1px var(--tt-red);
}

.amount-option i {
    font-size: 24px;
    color: var(--dark-text);
    margin-bottom: 5px;
}

.amount-option.selected i {
    color: var(--tt-red);
}

.selected-amount-value i {
    color: var(--tt-red);
}

/* --- Loading / Syncing Styles (Step 2) --- */
.loading-content {
    padding-top: 0px;
    padding-bottom: 10px;
}

.loading-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0px auto 5px;
}

.loading-icon i {
    font-size: 40px;
    color: var(--tt-black);
    line-height: 80px;
    /* Glitch Pulse */
    animation: glitch-pulse 1s infinite steps(2, end);
}

.loading-icon .ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid transparent;
    /* Dual color ring */
    border-top-color: var(--tt-cyan);
    border-bottom-color: var(--tt-red);
    animation: rotate 1s linear infinite;
}

.loading-text {
    font-weight: 700;
    color: var(--dark-text) !important;
    margin-bottom: 10px !important;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes glitch-pulse {
    0% { transform: scale(1); text-shadow: 2px 2px var(--tt-cyan), -2px -2px var(--tt-red); }
    50% { transform: scale(1.05); text-shadow: -2px -2px var(--tt-cyan), 2px 2px var(--tt-red); }
    100% { transform: scale(1); text-shadow: 2px 2px var(--tt-cyan), -2px -2px var(--tt-red); }
}

/* --- Progress Bar (Step 2) --- */
.progress-bar-container {
    background-color: #f1f1f2;
    height: 6px; /* Thinner */
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    /* Gradient from Cyan to Red */
    background: linear-gradient(90deg, var(--tt-cyan), var(--tt-red));
    border-radius: 3px;
    transition: width 0.1s linear;
}

/* --- Error/Verification Prompt Styles (Step 2) --- */
.step-indicator-error {
    border-image: none;
    border: 3px solid var(--error-red);
    background-color: var(--light-bg);
}
.step-indicator-error i {
    color: var(--error-red);
    font-size: 24px;
}

.error-btn {
    background-color: var(--error-red) !important;
    box-shadow: none !important;
}
.error-btn:hover {
    background-color: #d10043 !important;
}

/* --- Final Step Indicator (Step Final) --- */
.step-indicator-final {
    border-color: var(--tt-cyan); /* Cyan for success */
}
.step-indicator-final i {
    color: var(--tt-cyan);
    font-size: 24px;
    text-shadow: 2px 2px 0 rgba(254, 44, 85, 0.3);
}


/* --- Followers Blocks --- */
.followers-block {
    display: inline-flex;
    align-items: center;
    background-color: #ffffff;
    border-radius: 8px; /* Less rounded */
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.center-block.small-padding {
    padding: 8px 15px;
    margin-bottom: 20px;
}
.followers-block i {
    font-size: 16px;
    color: var(--tt-cyan);
    background-color: var(--tt-black); 
    border-radius: 50%;
    padding: 5px;
    margin-right: 10px;
}
.followers-block.instagram-accent i {
    background: var(--tt-black); 
    color: var(--tt-cyan);
}
.followers-block.instagram-accent i.fa-check {
    background-color: var(--tt-black); 
    color: var(--tt-cyan);
}
.followers-block span {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark-text);
    margin-right: 5px;
    letter-spacing: -1px;
}
.followers-block small {
    font-size: 14px;
    color: var(--medium-text);
    font-weight: 600;
}


/* --- Buttons and Links --- */
.watch-tutorial-link {
    display: block;
    font-size: 14px;
    color: var(--medium-text);
    text-decoration: underline;
    font-weight: 500;
    margin-bottom: 15px;
}

.proceed-btn, .verify-btn {
    width: 100%;
    padding: 15px 20px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    border: none;
    border-radius: 4px; /* TikTok buttons are sharper */
    background-color: var(--tt-red); /* The main TikTok Red */
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-shadow: none; /* TikTok uses flat design usually */
}

.proceed-btn:hover, .verify-btn:hover {
    background-color: #e62047;
}

.terms-note {
    font-size: 12px;
    color: #cecece;
    margin-top: 20px;
    margin-bottom: 0 !important;
}

/* Watermark/Footer */
.watermark {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--medium-text); 
    opacity: 0.5;
    z-index: 5;
    user-select: none;
}


/* ========================================= */
/* === Responsive Optimizations (Mobile) === */
/* ========================================= */

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    
    .background-wrapper {
        padding: 0;
    }

    .amount-options-container {
        grid-template-columns: repeat(2, 1fr); 
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .generator-card {
        padding: 40px 15px 15px;
        border-radius: 0; /* Full width on mobile often has no radius in apps */
        border: none;
    }
    .step-indicator {
        width: 40px;
        height: 40px;
        font-size: 18px;
        top: -20px;
    }
    .logo-icon-wrapper {
        width: 55px;
        height: 55px;
    }
    .logo-icon-wrapper i {
        font-size: 28px;
    }
}