/* ============================================
   SAH CONNECTING - Free Online Tools Styles
   Premium Dark Theme with Glassmorphism
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --tools-primary: #6C63FF;
    --tools-primary-light: #8B83FF;
    --tools-secondary: #FF6584;
    --tools-accent: #00D9FF;
    --tools-bg-dark: #0a0a1a;
    --tools-bg-card: rgba(255,255,255,0.05);
    --tools-bg-glass: rgba(255,255,255,0.08);
    --tools-text: #e8e8ff;
    --tools-text-muted: #9a9ab0;
    --tools-border: rgba(255,255,255,0.1);
    --tools-success: #10b981;
    --tools-warning: #f59e0b;
    --tools-danger: #ef4444;
    --tools-radius: 16px;
    --tools-shadow: 0 8px 32px rgba(0,0,0,0.3);
    --gradient-1: linear-gradient(135deg, #6C63FF 0%, #FF6584 100%);
    --gradient-2: linear-gradient(135deg, #00D9FF 0%, #6C63FF 100%);
    --gradient-3: linear-gradient(135deg, #10b981 0%, #00D9FF 100%);
}

/* ---- RESET ---- */
.tools-page * { box-sizing: border-box; margin: 0; padding: 0; }
.tools-page {
    font-family: 'Inter', sans-serif;
    background: var(--tools-bg-dark);
    color: var(--tools-text);
    min-height: 100vh;
    overflow-x: hidden;
}
.tools-page a { text-decoration: none; color: inherit; }
.tools-page img { max-width: 100%; height: auto; }

/* ---- ANIMATED BACKGROUND ---- */
.tools-bg-animation {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0; pointer-events: none; overflow: hidden;
}
.tools-bg-animation .orb {
    position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.15;
    animation: orbFloat 20s ease-in-out infinite;
}
.tools-bg-animation .orb:nth-child(1) {
    width: 500px; height: 500px; background: var(--tools-primary);
    top: -100px; left: -100px; animation-delay: 0s;
}
.tools-bg-animation .orb:nth-child(2) {
    width: 400px; height: 400px; background: var(--tools-secondary);
    bottom: -80px; right: -80px; animation-delay: -5s;
}
.tools-bg-animation .orb:nth-child(3) {
    width: 300px; height: 300px; background: var(--tools-accent);
    top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: -10s;
}
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.1); }
    50% { transform: translate(-30px, 50px) scale(0.9); }
    75% { transform: translate(30px, 30px) scale(1.05); }
}

/* ---- NAVBAR ---- */
.tools-navbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10,10,26,0.85); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--tools-border); padding: 16px 0;
}
.tools-navbar .container {
    max-width: 1280px; margin: 0 auto; padding: 0 24px;
    display: flex; justify-content: space-between; align-items: center;
}
.tools-navbar .brand { display: flex; align-items: center; gap: 12px; }
.tools-navbar .brand-icon {
    width: 40px; height: 40px; background: var(--gradient-1);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: #fff;
}
.tools-navbar .brand-text h2 { font-size: 18px; font-weight: 700; color: #fff; }
.tools-navbar .brand-text span { font-size: 11px; color: var(--tools-text-muted); text-transform: uppercase; letter-spacing: 2px; }
.tools-navbar .back-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; background: var(--tools-bg-glass);
    border: 1px solid var(--tools-border); border-radius: 10px;
    color: var(--tools-text); font-size: 14px; font-weight: 500;
    transition: all 0.3s; cursor: pointer;
}
.tools-navbar .back-btn:hover { background: var(--tools-primary); border-color: var(--tools-primary); }

/* ---- HERO ---- */
.tools-hero {
    position: relative; z-index: 1; text-align: center;
    padding: 80px 24px 60px;
}
.tools-hero .badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; background: rgba(108,99,255,0.15);
    border: 1px solid rgba(108,99,255,0.3); border-radius: 50px;
    font-size: 13px; color: var(--tools-primary-light);
    margin-bottom: 24px; font-weight: 600;
}
.tools-hero .badge i { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.tools-hero h1 {
    font-size: 3.5rem; font-weight: 900; line-height: 1.1;
    margin-bottom: 20px;
    background: var(--gradient-1); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.tools-hero p {
    font-size: 1.15rem; color: var(--tools-text-muted);
    max-width: 600px; margin: 0 auto 30px; line-height: 1.7;
}
.tools-hero .stats {
    display: flex; justify-content: center; gap: 40px; flex-wrap: wrap;
}
.tools-hero .stat-item { text-align: center; }
.tools-hero .stat-item .num {
    font-size: 2rem; font-weight: 800;
    background: var(--gradient-2); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.tools-hero .stat-item .label { font-size: 13px; color: var(--tools-text-muted); margin-top: 4px; }

/* ---- TOOLS GRID ---- */
.tools-section {
    position: relative; z-index: 1;
    max-width: 1280px; margin: 0 auto; padding: 0 24px 80px;
}
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}
.tool-card {
    position: relative; background: var(--tools-bg-card);
    border: 1px solid var(--tools-border); border-radius: var(--tools-radius);
    padding: 32px 28px; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden; cursor: pointer;
}
.tool-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-1); opacity: 0; transition: opacity 0.3s;
}
.tool-card:hover::before { opacity: 1; }
.tool-card:hover {
    transform: translateY(-8px);
    background: var(--tools-bg-glass);
    border-color: rgba(108,99,255,0.3);
    box-shadow: 0 20px 60px rgba(108,99,255,0.15);
}
.tool-card .card-icon {
    width: 60px; height: 60px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: #fff; margin-bottom: 20px;
}
.tool-card .card-icon.purple { background: linear-gradient(135deg, #6C63FF, #8B83FF); }
.tool-card .card-icon.pink { background: linear-gradient(135deg, #FF6584, #FF8FA3); }
.tool-card .card-icon.cyan { background: linear-gradient(135deg, #00D9FF, #0099CC); }
.tool-card .card-icon.green { background: linear-gradient(135deg, #10b981, #34d399); }
.tool-card .card-icon.orange { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.tool-card .card-icon.red { background: linear-gradient(135deg, #ef4444, #f87171); }
.tool-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: #fff; }
.tool-card p { font-size: 14px; color: var(--tools-text-muted); line-height: 1.6; margin-bottom: 20px; }
.tool-card .card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tool-card .tag {
    padding: 4px 12px; background: rgba(108,99,255,0.1);
    border: 1px solid rgba(108,99,255,0.2); border-radius: 20px;
    font-size: 11px; color: var(--tools-primary-light); font-weight: 500;
}
.tool-card .card-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 24px; background: var(--gradient-1);
    border: none; border-radius: 10px; color: #fff;
    font-size: 14px; font-weight: 600; cursor: pointer;
    transition: all 0.3s; font-family: inherit;
}
.tool-card .card-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(108,99,255,0.4); }
.tool-card .free-badge {
    position: absolute; top: 16px; right: 16px;
    padding: 4px 12px; background: rgba(16,185,129,0.15);
    border: 1px solid rgba(16,185,129,0.3); border-radius: 20px;
    font-size: 11px; color: var(--tools-success); font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px;
}

/* ---- TOOL PAGE LAYOUT ---- */
.tool-page-container {
    position: relative; z-index: 1;
    max-width: 900px; margin: 0 auto; padding: 40px 24px 80px;
}
.tool-page-header {
    text-align: center; margin-bottom: 40px;
}
.tool-page-header h1 {
    font-size: 2.2rem; font-weight: 800; margin-bottom: 12px;
    background: var(--gradient-1); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.tool-page-header p { color: var(--tools-text-muted); font-size: 15px; }
.tool-page-header .auto-delete-notice {
    display: inline-flex; align-items: center; gap: 8px;
    margin-top: 16px; padding: 8px 20px;
    background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3);
    border-radius: 10px; font-size: 13px; color: var(--tools-warning);
}

/* ---- FORM STYLES ---- */
.tool-form-card {
    background: var(--tools-bg-card); border: 1px solid var(--tools-border);
    border-radius: var(--tools-radius); padding: 36px; margin-bottom: 24px;
}
.tool-form-card h3 {
    font-size: 16px; font-weight: 700; margin-bottom: 24px;
    color: #fff; display: flex; align-items: center; gap: 10px;
}
.tool-form-card h3 .step-num {
    width: 28px; height: 28px; background: var(--gradient-1);
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; margin-bottom: 8px; font-size: 13px;
    font-weight: 600; color: var(--tools-text);
}
.form-group label .required { color: var(--tools-secondary); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px 16px; background: rgba(255,255,255,0.05);
    border: 1px solid var(--tools-border); border-radius: 10px;
    color: var(--tools-text); font-size: 14px; font-family: inherit;
    transition: all 0.3s; outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--tools-primary);
    box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
    background: rgba(255,255,255,0.08);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select option { background: #1a1a2e; color: #fff; }
.form-group .hint { font-size: 12px; color: var(--tools-text-muted); margin-top: 6px; }

/* ---- IMAGE UPLOAD ---- */
.image-upload-zone {
    border: 2px dashed var(--tools-border); border-radius: var(--tools-radius);
    padding: 40px; text-align: center; cursor: pointer; transition: all 0.3s;
    background: rgba(255,255,255,0.02);
}
.image-upload-zone:hover, .image-upload-zone.dragover {
    border-color: var(--tools-primary);
    background: rgba(108,99,255,0.05);
}
.image-upload-zone i { font-size: 40px; color: var(--tools-primary); margin-bottom: 12px; }
.image-upload-zone p { color: var(--tools-text-muted); font-size: 14px; }
.image-upload-zone .size-limit { font-size: 12px; color: var(--tools-warning); margin-top: 8px; }
.image-preview {
    max-width: 150px; max-height: 180px; border-radius: 10px;
    margin: 12px auto 0; display: none; border: 2px solid var(--tools-border);
}

/* ---- BUTTONS ---- */
.btn-generate {
    width: 100%; padding: 16px; background: var(--gradient-1);
    border: none; border-radius: 12px; color: #fff;
    font-size: 16px; font-weight: 700; cursor: pointer;
    transition: all 0.3s; font-family: inherit;
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn-generate:hover { transform: translateY(-2px); box-shadow: 0 12px 35px rgba(108,99,255,0.4); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-download {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; background: var(--gradient-3);
    border: none; border-radius: 12px; color: #fff;
    font-size: 15px; font-weight: 700; cursor: pointer;
    transition: all 0.3s; font-family: inherit;
}
.btn-download:hover { transform: translateY(-2px); box-shadow: 0 12px 35px rgba(16,185,129,0.4); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; background: var(--tools-bg-glass);
    border: 1px solid var(--tools-border); border-radius: 10px;
    color: var(--tools-text); font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all 0.3s; font-family: inherit;
}
.btn-secondary:hover { background: rgba(255,255,255,0.15); }

/* ---- RESULT/PREVIEW AREA ---- */
.result-area {
    background: var(--tools-bg-card); border: 1px solid var(--tools-border);
    border-radius: var(--tools-radius); padding: 36px;
    text-align: center; display: none;
}
.result-area.visible { display: block; animation: fadeSlideUp 0.5s ease; }
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.result-area h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; color: #fff; }
.result-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }

/* ---- CANVAS / SIGNATURE ---- */
.signature-canvas {
    border: 2px solid var(--tools-border); border-radius: var(--tools-radius);
    background: #fff; cursor: crosshair; touch-action: none;
    width: 100%; max-width: 600px; height: 250px;
}

/* ---- QR CODE ---- */
.qr-output { display: flex; justify-content: center; margin: 20px 0; }
.qr-output canvas { border-radius: 12px; }

/* ---- LOADING ---- */
.tools-loading {
    display: none; align-items: center; justify-content: center;
    gap: 12px; padding: 20px; color: var(--tools-primary-light);
}
.tools-loading.active { display: flex; }
.spinner {
    width: 24px; height: 24px; border: 3px solid var(--tools-border);
    border-top-color: var(--tools-primary); border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- TIMER BADGE ---- */
.timer-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3); border-radius: 8px;
    font-size: 12px; color: var(--tools-danger); font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .tools-hero h1 { font-size: 2.2rem; }
    .tools-hero .stats { gap: 24px; }
    .tools-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .tool-form-card { padding: 24px; }
    .tools-hero { padding: 50px 20px 40px; }
}
@media (max-width: 480px) {
    .tools-hero h1 { font-size: 1.8rem; }
    .tools-navbar .brand-text h2 { font-size: 15px; }
    .tool-page-header h1 { font-size: 1.6rem; }
}

/* ---- FOOTER ---- */
.tools-footer {
    position: relative; z-index: 1; text-align: center;
    padding: 30px 24px; border-top: 1px solid var(--tools-border);
    color: var(--tools-text-muted); font-size: 13px;
}
.tools-footer a { color: var(--tools-primary-light); }
.tools-footer a:hover { text-decoration: underline; }