/* ==========================================================================
   SMART MOBILE TOOLKIT - ULTIMATE PREMIUM STYLESHEET
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;800&display=swap');

:root {
    --bg-color: #050508;
    --surface-color: rgba(20, 20, 30, 0.45);
    --surface-border: rgba(255, 255, 255, 0.08);
    --primary-glow: #00f0ff;
    --secondary-glow: #aa00ff;
    --text-main: #ffffff;
    --text-muted: #888899;
    --danger-color: #ff4444;
}

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

/* --- DYNAMIC ANIMATED BACKGROUND --- */
body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(170, 0, 255, 0.08), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.08), transparent 40%);
    background-size: 200% 200%;
    animation: bgShift 15s ease infinite, fadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    color: var(--text-main) !important; 
    min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden;
    padding-top: 90px;
}

@keyframes bgShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

@keyframes floatIcon {
    0% { transform: translateY(0px) scale(1.15); }
    50% { transform: translateY(-4px) scale(1.15); }
    100% { transform: translateY(0px) scale(1.15); }
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-glow); }

/* --- PREMIUM GLASS NAVBAR --- */
.glass-navbar {
    background: rgba(8, 8, 12, 0.75) !important; 
    backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--surface-border); 
    padding: 12px 20px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}
.navbar-brand { font-size: 1.6rem; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; color: #fff; margin: 0; transition: 0.3s; }
.navbar-brand:hover { transform: scale(1.02); text-shadow: 0 0 15px rgba(0,240,255,0.4); }
.nav-link { color: #e0e0e0 !important; font-weight: 600; font-size: 1.05rem; transition: all 0.3s ease; margin: 0 10px; text-transform: uppercase; letter-spacing: 1px; position: relative; }
.nav-link i { margin-right: 6px; color: var(--text-muted); transition: 0.3s; }
.nav-link::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -2px; left: 0; background-color: var(--primary-glow); transition: width 0.3s ease; box-shadow: 0 0 10px var(--primary-glow); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover, .nav-link.active { color: var(--primary-glow) !important; text-shadow: 0 0 15px rgba(0,240,255,0.4); }
.nav-link:hover i, .nav-link.active i { color: var(--primary-glow); }
.navbar-toggler { border: 1px solid rgba(0,240,255,0.2) !important; outline: none !important; box-shadow: none !important; border-radius: 10px; padding: 8px 12px; }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 240, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important; }
.navbar-collapse { background: rgba(0,0,0,0.85); border-radius: 16px; margin-top: 15px; padding: 15px; backdrop-filter: blur(15px); text-align: right; border: 1px solid var(--surface-border); }
@media (min-width: 992px) { .navbar-collapse { background: transparent; padding: 0; margin: 0; backdrop-filter: none; text-align: left; border: none; } }

/* --- GLOBAL LAYOUT & CARDS --- */
footer { text-align: center; padding: 25px; margin-top: auto; color: var(--text-muted); font-size: 0.85rem; letter-spacing: 1px; }
.app-container { flex: 1; max-width: 1000px; margin: 0 auto; padding: 20px; width: 100%; display: flex; flex-direction: column; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; }

/* 3D Glass Cards */
.card {
    background: linear-gradient(145deg, rgba(30, 30, 45, 0.6), rgba(15, 15, 20, 0.8));
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--surface-border); border-radius: 24px; padding: 35px 15px;
    text-align: center; text-decoration: none; color: var(--text-main) !important; 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex; flex-direction: column; align-items: center; gap: 15px; position: relative; overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.card::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.05), transparent);
    transform: skewX(-20deg); transition: 0.5s;
}
.card i { font-size: 3.2rem; color: rgba(255,255,255,0.6); transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.card h3 { font-size: 1.05rem; font-weight: 600; letter-spacing: 0.5px; margin: 0; }

.card:hover { 
    transform: translateY(-10px) scale(1.02); 
    border-color: rgba(0, 240, 255, 0.4); 
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.1) inset; 
}
.card:hover::before { left: 150%; }
.card:hover i { 
    color: var(--primary-glow); filter: drop-shadow(0 0 15px var(--primary-glow)); 
    animation: floatIcon 2s ease-in-out infinite; 
}

/* Category Headers */
.category-header { width: 100%; margin: 40px 0 20px 0; border-bottom: 2px solid rgba(255,255,255,0.05); padding-bottom: 12px; position: relative; }
.category-header h3 { margin: 0; font-size: 1.2rem; font-weight: 800; color: #fff; text-transform: uppercase; letter-spacing: 2px; }
.category-header i { color: var(--primary-glow); margin-right: 12px; filter: drop-shadow(0 0 8px rgba(0,240,255,0.5)); }

/* --- PREMIUM ADVERTISEMENT CONTAINER --- */
.ad-container {
    width: 100%; min-height: 100px; margin: 30px 0; background: rgba(0, 0, 0, 0.3);
    border: 1px dashed var(--surface-border); border-radius: 16px;
    display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
}
.ad-container::before {
    content: 'Advertisement'; position: absolute; color: rgba(255, 255, 255, 0.1);
    font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; font-weight: 800;
}

/* Tool Headers & Panels */
.tool-header { display: flex; align-items: center; gap: 15px; margin-bottom: 25px; }
.tool-header h2 { margin: 0; font-weight: 800; font-size: 1.6rem; color: #fff; letter-spacing: 1px;}
.back-btn, .info-btn {
    background: var(--surface-color); border: 1px solid var(--surface-border); color: var(--text-main);
    width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    text-decoration: none; font-size: 1.3rem; transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); cursor: pointer; outline: none; box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}
.info-btn { margin-left: auto; color: var(--primary-glow); border-color: rgba(0,240,255,0.3); }
.back-btn:hover { background: rgba(0,0,0,0.6); border-color: var(--primary-glow); color: var(--primary-glow); box-shadow: 0 0 20px rgba(0, 240, 255, 0.4); transform: translateX(-5px); }
.info-btn:hover { background: var(--primary-glow); color: #000; box-shadow: 0 0 25px rgba(0, 240, 255, 0.6); transform: scale(1.15) rotate(10deg); }

.tool-panel { 
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.5), rgba(10, 10, 15, 0.8)); 
    backdrop-filter: blur(25px); border: 1px solid var(--surface-border); border-radius: 28px; 
    padding: 35px 25px; text-align: center; box-shadow: 0 25px 50px rgba(0,0,0,0.6); 
}

/* Inputs & Buttons */
.input-group { margin-bottom: 22px; text-align: left; width: 100%; }
.input-group label { display: block; margin-bottom: 10px; font-weight: 600; color: #bbb; font-size: 0.95rem; letter-spacing: 0.5px;}
.styled-input, .styled-select {
    width: 100%; padding: 14px 18px; background: rgba(0,0,0,0.4); color: #fff;
    border: 1px solid var(--surface-border); border-radius: 12px; outline: none; font-size: 1rem; transition: 0.3s;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2) inset;
}
.styled-input:focus, .styled-select:focus { border-color: var(--primary-glow); background: rgba(0,0,0,0.6); box-shadow: 0 0 15px rgba(0, 240, 255, 0.25) inset, 0 0 10px rgba(0, 240, 255, 0.1); }

.btn.custom-btn {
    background: rgba(0, 240, 255, 0.08); border: 1px solid var(--primary-glow); color: var(--primary-glow);
    padding: 14px 28px; border-radius: 14px; font-size: 1rem; font-weight: 800; cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); text-transform: uppercase; letter-spacing: 1.5px; outline: none;
    display: inline-flex; align-items: center; justify-content: center; gap: 10px; position: relative; overflow: hidden;
}
.btn.custom-btn::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent);
    transform: skewX(-20deg); transition: 0.5s;
}
.btn.custom-btn:hover { background: var(--primary-glow); color: #000; box-shadow: 0 10px 25px rgba(0, 240, 255, 0.5); transform: translateY(-3px); }
.btn.custom-btn:hover::after { left: 150%; }
.btn.custom-btn.btn-secondary { border-color: var(--secondary-glow); color: var(--secondary-glow); background: rgba(170, 0, 255, 0.08); }
.btn.custom-btn.btn-secondary:hover { background: var(--secondary-glow); box-shadow: 0 10px 25px rgba(170, 0, 255, 0.5); color: #fff;}

/* Modals */
.modal-content { 
    background: rgba(15, 15, 20, 0.95) !important; backdrop-filter: blur(30px) !important; 
    border: 1px solid rgba(0, 240, 255, 0.3) !important; border-radius: 24px !important; 
    box-shadow: 0 25px 60px rgba(0,0,0,0.9), 0 0 30px rgba(0, 240, 255, 0.05) inset !important; color: #ffffff !important; 
}
.modal-header { border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important; padding: 25px !important;}
.modal-title { color: var(--primary-glow) !important; font-weight: 800 !important; letter-spacing: 1px;}
.btn-close { filter: invert(1) grayscale(100%) brightness(200%) !important; opacity: 0.8; }
.modal-body { text-align: left; padding: 30px 25px !important; line-height: 1.6;}
.modal-body ul { list-style: none; padding: 20px !important; margin-top: 20px; background: rgba(0,0,0,0.5) !important; border-radius: 16px; border: 1px solid rgba(255,255,255,0.05) !important; }
.modal-body ul li { margin-bottom: 15px; display: flex; gap: 12px; align-items: flex-start; }
.modal-body ul li i { color: var(--secondary-glow) !important; font-size: 1.2rem; margin-top: 3px; filter: drop-shadow(0 0 5px rgba(170,0,255,0.4));}
.modal-footer { border-top: 1px solid rgba(255, 255, 255, 0.08) !important; padding: 20px 25px !important; }

/* Miscellaneous specific tool styles (Tabs, Sliders, Progress Bars, QR) */
.mode-tabs { display: flex; gap: 12px; margin-bottom: 30px; background: rgba(0,0,0,0.4); padding: 8px; border-radius: 16px; border: 1px solid var(--surface-border); box-shadow: 0 5px 15px rgba(0,0,0,0.3) inset;}
.mode-tab { flex: 1; background: transparent; border: none; color: var(--text-muted); padding: 12px; font-weight: 700; font-size: 0.95rem; letter-spacing: 1px; border-radius: 10px; transition: 0.3s; cursor: pointer; }
.mode-tab.active { background: var(--primary-glow); color: #000; box-shadow: 0 0 15px rgba(0,240,255,0.4); }
.action-panel { display: none; text-align: left; animation: fadeIn 0.4s ease-out;}
.action-panel.active { display: block; }
.video-preview-container, .canvas-container, #waveform-container { width: 100%; background: rgba(0, 0, 0, 0.6); border: 1px solid var(--surface-border); border-radius: 16px; padding: 15px; margin-bottom: 25px; display: none; box-shadow: 0 10px 25px rgba(0,0,0,0.6) inset; text-align: center; }
#main-video, #image-canvas, #image-preview { max-width: 100%; max-height: 380px; border-radius: 10px; background: #000; object-fit: contain; box-shadow: 0 5px 15px rgba(0,0,0,0.5);}
.time-adjust { display: flex; align-items: center; gap: 10px; }
.btn-adjust { background: rgba(255,255,255,0.05); border: 1px solid var(--surface-border); color: #fff; width: 42px; height: 42px; border-radius: 10px; cursor: pointer; transition: 0.2s; display: flex; align-items: center; justify-content: center; font-size: 1.1rem;}
.btn-adjust:hover { background: var(--primary-glow); color: #000; border-color: var(--primary-glow); box-shadow: 0 0 10px rgba(0,240,255,0.3);}
.time-adjust input { width: 100px; text-align: center; font-family: monospace; font-size: 1.2rem; font-weight: 600; margin: 0; padding: 10px;}
.control-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; background: rgba(0,0,0,0.4); padding: 15px; border-radius: 14px; border: 1px solid var(--surface-border); box-shadow: 0 5px 15px rgba(0,0,0,0.2) inset;}
.switch { position: relative; display: inline-block; width: 54px; height: 28px; margin: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(255,255,255,0.1); transition: .4s; border-radius: 34px; border: 1px solid var(--surface-border); }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background-color: #aaa; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: rgba(0, 240, 255, 0.15); border-color: var(--primary-glow); }
input:checked + .slider:before { transform: translateX(26px); background-color: var(--primary-glow); box-shadow: 0 0 12px var(--primary-glow); }
input.remove-toggle:checked + .slider { background-color: rgba(255, 68, 68, 0.15); border-color: var(--danger-color); }
input.remove-toggle:checked + .slider:before { background-color: var(--danger-color); box-shadow: 0 0 12px var(--danger-color); }
.slider-group { margin-bottom: 20px; text-align: left; }
.slider-group label { display: flex; justify-content: space-between; color: #ddd; font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }
.slider-group label span { color: var(--primary-glow); font-family: monospace; font-size: 1.05rem;}
input[type=range] { -webkit-appearance: none; width: 100%; background: transparent; margin: 8px 0; }
input[type=range]:focus { outline: none; }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 8px; cursor: pointer; background: rgba(0,0,0,0.6); border-radius: 6px; border: 1px solid var(--surface-border); box-shadow: 0 2px 5px rgba(0,0,0,0.5) inset;}
input[type=range]::-webkit-slider-thumb { height: 22px; width: 22px; border-radius: 50%; background: var(--primary-glow); cursor: pointer; -webkit-appearance: none; margin-top: -8px; box-shadow: 0 0 15px var(--primary-glow); border: 2px solid #fff;}
.filter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 25px; }
.filter-btn { background: rgba(0,0,0,0.5); border: 1px solid var(--surface-border); color: #ccc; padding: 12px 8px; border-radius: 12px; font-size: 0.9rem; font-weight: 600; transition: 0.3s; cursor: pointer; }
.filter-btn:hover, .filter-btn.active { background: var(--primary-glow); color: #000; border-color: var(--primary-glow); box-shadow: 0 5px 15px rgba(0,240,255,0.4); transform: translateY(-2px);}
.processing-bar-wrapper { width: 100%; background: rgba(0,0,0,0.5); height: 8px; border-radius: 4px; overflow: hidden; margin-top: 15px; display: none; border: 1px solid var(--surface-border); box-shadow: 0 2px 5px rgba(0,0,0,0.5) inset;}
.processing-bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--primary-glow), var(--secondary-glow)); transition: width 0.1s linear; box-shadow: 0 0 10px var(--primary-glow);}
#qrcode-canvas { background: #fff; padding: 20px; border-radius: 16px; display: inline-block; margin: 25px 0; box-shadow: 0 10px 25px rgba(0,0,0,0.5); border: 4px solid var(--primary-glow);}
.result-box { display: none; background: rgba(0,240,255,0.05); padding: 20px; border-radius: 14px; margin-top: 20px; border: 1px solid rgba(0,240,255,0.3); font-family: monospace; word-break: break-all; text-align: left; box-shadow: 0 5px 15px rgba(0,0,0,0.3) inset;}

@media (max-width: 600px) {
    .tool-panel { padding: 30px 20px; }
    .btn.custom-btn { font-size: 0.95rem; padding: 14px; }
    .card { padding: 25px 15px; }
}