/* ===================== RESET & BASE ===================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Rajdhani', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #000000; color: #e8e8e8;
    min-height: 100vh; overflow-x: hidden; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ===================== BACKGROUND - PURE BLACK ===================== */
.bg-animation {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background: #000000;
    overflow: hidden;
}
/* Very subtle noise texture for depth */
.bg-animation::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.4; pointer-events: none;
}
/* Subtle vignette */
.bg-animation::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, transparent 50%, rgba(0,0,0,0.6) 100%);
    pointer-events: none;
}

/* Particles - more subtle, mixed accent colors */
.particle {
    position: absolute; width: 2px; height: 2px;
    background: rgba(255, 255, 255, 0.15); border-radius: 50%;
    animation: float 25s infinite linear;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.1);
}
.particle:nth-child(1) { left: 10%; top: 100%; animation-delay: 0s; animation-duration: 22s; }
.particle:nth-child(2) { left: 25%; top: 100%; animation-delay: 4s; animation-duration: 28s; background: rgba(255, 45, 85, 0.3); box-shadow: 0 0 8px rgba(255, 45, 85, 0.15); }
.particle:nth-child(3) { left: 40%; top: 100%; animation-delay: 8s; animation-duration: 20s; background: rgba(0, 150, 255, 0.25); box-shadow: 0 0 8px rgba(0, 150, 255, 0.1); }
.particle:nth-child(4) { left: 60%; top: 100%; animation-delay: 12s; animation-duration: 26s; }
.particle:nth-child(5) { left: 75%; top: 100%; animation-delay: 16s; animation-duration: 24s; background: rgba(255, 140, 0, 0.2); box-shadow: 0 0 8px rgba(255, 140, 0, 0.1); }
.particle:nth-child(6) { left: 90%; top: 100%; animation-delay: 2s; animation-duration: 30s; background: rgba(255, 45, 85, 0.2); box-shadow: 0 0 8px rgba(255, 45, 85, 0.1); }
@keyframes float {
    0% { transform: translateY(0) rotate(0deg); opacity: 0; }
    5% { opacity: 1; } 95% { opacity: 1; }
    100% { transform: translateY(-120vh) rotate(1080deg); opacity: 0; }
}

/* ===================== TOP NAVIGATION ===================== */
.top-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06); padding: 14px 0;
}
.nav-container { max-width: 480px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
.nav-left { display: flex; align-items: center; gap: 14px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 26px; color: #ff2d55; filter: drop-shadow(0 0 8px rgba(255, 45, 85, 0.5)); }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-title { font-family: 'Orbitron', sans-serif; font-size: 15px; font-weight: 900; color: #ff2d55; letter-spacing: 2px; text-shadow: 0 0 15px rgba(255, 45, 85, 0.3); }
.logo-subtitle { font-family: 'Orbitron', sans-serif; font-size: 10px; font-weight: 700; color: #0096ff; letter-spacing: 3px; }
.nav-right { display: flex; gap: 10px; align-items: center; }

/* ===================== BOTTOM NAVIGATION ===================== */
.bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.06); padding: 8px 0 12px;
}
.bottom-nav-container { max-width: 480px; margin: 0 auto; display: flex; justify-content: space-around; align-items: center; }
.bottom-nav-item {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    color: rgba(255, 255, 255, 0.4); text-decoration: none; font-size: 10px;
    font-family: 'Rajdhani', sans-serif; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; padding: 4px 12px; border-radius: 12px;
    transition: all 0.3s; -webkit-tap-highlight-color: transparent; -webkit-touch-callout: none;
}
.bottom-nav-item i { font-size: 20px; }
.bottom-nav-item.active { color: #ff2d55; }
.bottom-nav-item:hover { color: #ff2d55; }
.bottom-nav-item:active { background-color: transparent !important; -webkit-tap-highlight-color: transparent !important; }

/* ===================== CONTAINER ===================== */
.container { max-width: 480px; margin: 0 auto; padding: 24px 20px; position: relative; z-index: 1; }
.main-content { padding-top: 80px; }

/* ===================== BUTTONS ===================== */
.btn-primary {
    display: block; width: 100%; padding: 18px;
    background: linear-gradient(135deg, #ff2d55, #ff6b35); border: none; border-radius: 16px;
    color: white; font-family: 'Orbitron', sans-serif; font-weight: 800; font-size: 14px;
    text-align: center; text-decoration: none; text-transform: uppercase; letter-spacing: 3px;
    cursor: pointer; box-shadow: 0 8px 30px rgba(255, 45, 85, 0.35);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden;
}
.btn-primary::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(255, 45, 85, 0.45); filter: brightness(1.1); }
.btn-primary:active { transform: translateY(-1px); }

.btn-secondary {
    display: block; width: 100%; padding: 14px; background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.1); border-radius: 14px; color: #e8e8e8;
    font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 14px;
    text-align: center; cursor: pointer; margin-top: 12px; transition: all 0.3s; letter-spacing: 1px;
}
.btn-secondary:hover { border-color: #ff2d55; color: #ff2d55; background: rgba(255, 45, 85, 0.05); box-shadow: 0 0 20px rgba(255, 45, 85, 0.1); }

.btn-submit {
    display: block; width: 100%; padding: 18px;
    background: linear-gradient(135deg, #ff2d55, #ff6b35); border: none; border-radius: 16px;
    color: white; font-family: 'Orbitron', sans-serif; font-weight: 800; font-size: 14px;
    text-align: center; text-transform: uppercase; letter-spacing: 3px;
    cursor: pointer; box-shadow: 0 8px 30px rgba(255, 45, 85, 0.35);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden;
}
.btn-submit::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s;
}
.btn-submit:hover::before { left: 100%; }
.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(255, 45, 85, 0.45); filter: brightness(1.1); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; filter: none; }
.btn-submit:disabled::before { display: none; }

.btn-nav-outline {
    padding: 9px 18px; border: 1.5px solid rgba(255, 45, 85, 0.5); border-radius: 25px;
    color: #ff2d55; font-family: 'Orbitron', sans-serif; font-size: 11px; font-weight: 700;
    text-decoration: none; text-transform: uppercase; letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); background: transparent; position: relative; overflow: hidden;
}
.btn-nav-outline::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 45, 85, 0.15), transparent);
    transition: left 0.5s;
}
.btn-nav-outline:hover::before { left: 100%; }
.btn-nav-outline:hover { background: rgba(255, 45, 85, 0.08); box-shadow: 0 0 20px rgba(255, 45, 85, 0.2), inset 0 0 10px rgba(255, 45, 85, 0.05); border-color: #ff2d55; transform: translateY(-1px); }

.btn-nav-primary {
    padding: 9px 18px; background: linear-gradient(135deg, #ff2d55, #ff6b35); border: none; border-radius: 25px;
    color: white; font-family: 'Orbitron', sans-serif; font-size: 11px; font-weight: 700;
    text-decoration: none; text-transform: uppercase; letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 4px 20px rgba(255, 45, 85, 0.35); position: relative; overflow: hidden;
}
.btn-nav-primary::after {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%); opacity: 0; transition: opacity 0.3s;
}
.btn-nav-primary:hover::after { opacity: 1; }
.btn-nav-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255, 45, 85, 0.5); filter: brightness(1.1); }

/* ===================== FORM BASICS ===================== */
.form-header { text-align: center; padding: 24px 0; margin-bottom: 24px; position: relative; }
.back-btn {
    display: inline-flex; align-items: center; gap: 6px;
    color: rgba(255, 255, 255, 0.5); text-decoration: none; font-size: 14px;
    margin-bottom: 18px; transition: all 0.3s; font-weight: 600;
}
.back-btn:hover { color: #ff2d55; transform: translateX(-4px); }
.form-header h1 {
    font-family: 'Orbitron', sans-serif; font-size: 26px; font-weight: 900;
    margin-bottom: 10px; color: #ff2d55; text-shadow: 0 0 20px rgba(255, 45, 85, 0.25); letter-spacing: 3px;
}
.form-header p { font-size: 14px; opacity: 0.7; color: #a0a0c0; }

.form-group { margin-bottom: 24px; position: relative; }
.form-group label {
    display: block; margin-bottom: 10px; font-size: 12px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 2px; color: #ff2d55;
}
.form-group input {
    width: 100%; padding: 16px 18px; background: rgba(255, 255, 255, 0.03);
    border: 1.5px solid rgba(255, 255, 255, 0.06); border-radius: 14px; color: #e8e8e8;
    font-size: 16px; font-family: 'Rajdhani', sans-serif; transition: all 0.3s; outline: none;
}
.form-group input:focus { border-color: #ff2d55; background: rgba(255, 45, 85, 0.04); box-shadow: 0 0 20px rgba(255, 45, 85, 0.1); }
.form-group input::placeholder { color: rgba(255, 255, 255, 0.2); }

.form-hint { display: block; margin-top: 8px; font-size: 12px; opacity: 0.5; line-height: 1.4; color: #a0a0c0; }

.form-info-box {
    background: linear-gradient(135deg, rgba(255, 45, 85, 0.05), rgba(0, 150, 255, 0.03));
    border-radius: 16px; padding: 20px; margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.06); position: relative; overflow: hidden;
}
.form-info-box::before {
    content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
    background: linear-gradient(180deg, #ff2d55, #ff6b35);
}
.form-info-box h4 { font-size: 14px; margin-bottom: 12px; color: #ff2d55; font-weight: 700; padding-left: 8px; }
.form-info-box ul { list-style: none; padding: 0; padding-left: 8px; }
.form-info-box li { font-size: 13px; opacity: 0.85; margin-bottom: 8px; padding-left: 18px; position: relative; color: #c0c0d0; }
.form-info-box li::before { content: '>'; position: absolute; left: 0; color: #ff2d55; font-weight: 700; }

/* ===================== MODAL BASE ===================== */
.modal {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.92); z-index: 1000; justify-content: center; align-items: center;
    padding: 20px; backdrop-filter: blur(10px);
}
.modal-content {
    background: linear-gradient(135deg, #0a0a0a, #050505); border-radius: 24px; padding: 36px;
    max-width: 420px; width: 100%; text-align: center; border: 1px solid rgba(255, 255, 255, 0.08);
    animation: modalIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 45, 85, 0.08);
    position: relative; overflow: hidden;
}
.modal-content::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, #ff2d55, #ff6b35, #ff8c00, #ff2d55);
    background-size: 200% 100%; animation: progress-shimmer 3s linear infinite;
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.9) translateY(30px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.modal-header h3 { font-family: 'Orbitron', sans-serif; font-size: 18px; color: #ff2d55; letter-spacing: 2px; }
.modal-close {
    background: none; border: none; color: rgba(255, 255, 255, 0.4); font-size: 24px;
    cursor: pointer; transition: color 0.2s; width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center; border-radius: 50%;
}
.modal-close:hover { color: #ff2d55; background: rgba(255, 45, 85, 0.08); }
.modal-body p { font-size: 14px; opacity: 0.85; margin-bottom: 18px; color: #c0c0d0; }
.modal-input {
    width: 100%; padding: 16px 18px; background: rgba(255, 255, 255, 0.03);
    border: 1.5px solid rgba(255, 255, 255, 0.06); border-radius: 14px; color: #e8e8e8;
    font-size: 16px; font-family: 'Rajdhani', sans-serif; outline: none; transition: all 0.3s;
}
.modal-input:focus { border-color: #ff2d55; background: rgba(255, 45, 85, 0.04); box-shadow: 0 0 20px rgba(255, 45, 85, 0.1); }

/* ===================== UTILITIES ===================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #000000; }
::-webkit-scrollbar-thumb { background: rgba(255, 45, 85, 0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 45, 85, 0.45); }
::selection { background: rgba(255, 45, 85, 0.25); color: white; }
:focus-visible { outline: 2px solid #ff2d55; outline-offset: 2px; border-radius: 4px; }
.btn-loader { display: inline-block; animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes progress-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse-glow { 0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; } 50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; } }
@keyframes icon-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes gradient-shift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }
@keyframes shimmer { 0% { left: -100%; } 100% { left: 100%; } }
@keyframes success-bounce { 0% { transform: scale(0); } 50% { transform: scale(1.2); } 100% { transform: scale(1); } }

/* Tap highlight fix */
.category-card, .bottom-nav-item, button, a {
    -webkit-tap-highlight-color: transparent !important; -webkit-touch-callout: none !important;
}
.category-card:active, .bottom-nav-item:active, button:active, a:active {
    background-color: transparent !important; -webkit-tap-highlight-color: transparent !important;
}

/* ===================== RESPONSIVE BASE ===================== */
@media (max-width: 480px) {
    .container { padding: 16px; }
    .nav-right { gap: 8px; }
    .btn-nav-outline, .btn-nav-primary { padding: 7px 14px; font-size: 10px; }
        }