/* ==========================================================================
   1. CORE VARIABLES & RESET
   ========================================================================== */
:root {
    --primary-color: #2d66b4;
    --secondary-color: #22386e;
    --accent-color: #00ccff;
    --danger: #ff4d4d;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-main: #ffffff;
    --text-muted: #a0aec0;
}

* {
    box-sizing: border-box;
}

body { 
    font-family: 'Montserrat', sans-serif; 
    margin: 0; 
    background: #000; 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh;
    color: var(--text-main);
}

#vanta-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
}

/* ==========================================================================
   2. LAYOUT & GLASS COMPONENTS
   ========================================================================== */
.container { 
    max-width: 1100px; 
    margin: auto; 
    padding: 20px;
    position: relative;
    z-index: 1;
    width: 100%;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 20px;
    position: relative;
    cursor: default;
}

/* Navigation */
.back-btn {
    position: absolute;
    left: 0;
    width: 45px; height: 45px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    color: white;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.pill-nav {
    display: flex;
    align-items: center;
    padding: 8px 20px;
    gap: 15px;
    border-radius: 50px;
    transition: transform 0.3s ease;
}

.pill-nav:hover { transform: scale(1.02); }

.nav-text {
    font-weight: 500;
    letter-spacing: 1px;
    font-size: 0.9rem;
    color: var(--text-main);
}

/* ==========================================================================
   3. TYPOGRAPHY & ANIMATIONS
   ========================================================================== */
h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.8rem, 5vw, 2.5rem); /* Responsive size */
    text-align: center;
    margin-bottom: 10px;
    cursor: default;
    color: transparent;
    background-image: repeating-linear-gradient(45deg, #f1f1f1 0px, #f1f1f1 144px, gray 144px, gray 288px, #bebebe 288px, #bebebe 432px);
    background-size: 250%;
    background-position: 0%;
    -webkit-background-clip: text;
    background-clip: text;
    animation: stripeAnimation 3s linear infinite paused;
}

h1:hover { animation-play-state: running; }

@keyframes stripeAnimation {
    100% { background-position: 165%; }
}

h2 { font-family: 'Orbitron'; font-size: 1.3rem; color: var(--primary-color); margin-top: 0; }
b { color: var(--primary-color); }

/* ==========================================================================
   4. PDF TOOLBARS & WORKSPACE
   ========================================================================== */
.toolbar1, .toolbar2 { 
    background: #2c2c2c; 
    color: white; 
    padding: 10px 20px; 
    display: flex; 
    gap: 15px; 
    align-items: center; 
    border-radius: 8px;
    margin: 10px 0;
}

.toolbar1 { justify-content: space-between; }
.toolbar2 { justify-content: center; }

#pdf-container { 
    position: relative; 
    margin: 20px auto; 
    box-shadow: 0 0 10px rgba(0,0,0,0.2); 
    background: white;
    user-select: none;
    max-width: 100%;
}

#pdf-render-canvas { 
    display: block; 
    max-width: 100%; 
    height: auto !important; 
}

/* Signature Overlay */
#signature-overlay {
    position: absolute;
    box-sizing: border-box;
    top: 50px; left: 50px;
    width: 150px; height: 80px;
    border: 2px dashed var(--primary-color);
    cursor: move;
    display: none;
    z-index: 50;
    touch-action: none; /* Prevents scrolling while dragging on mobile */
    border: 2px dashed #007bff; /* Clean blue dashed line */
}



#delete-sig {
    position: absolute;
    top: -12px;
    left: -12px;
    width: 24px;
    height: 24px;
    background: #ff4d4d;
    color: white;
    border: none;
    border-radius: 50%; /* This makes it a perfect circle */
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 101;
}

#delete-sig:hover {
    background: #cc0000;
}

#signature-overlay img { width: 100%; height: 100%; pointer-events: none; }

/* Change .resize-handle to #resize-handle */
#resize-handle {
    width: 15px; 
    height: 15px;
    background: var(--accent-color); /* Make sure this variable is defined */
    position: absolute;
    bottom: -7px; 
    right: -7px;
    cursor: nwse-resize;
    border-radius: 50%;
    border: 2px solid white;
    z-index: 102;
}

/* ==========================================================================
   5. MODALS & BUTTONS
   ========================================================================== */
.modal { 
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.8); 
    display: none; 
    justify-content: center; 
    align-items: center; 
    z-index: 1000; 
}

.modal-content { 
    background: linear-gradient(90deg, #000, #2c2c2c);
    border: 1px solid var(--glass-border);
    padding: 25px; 
    border-radius: 12px; 
    text-align: center; 
    width: 90%;
    max-width: 550px;
}

#sig-pad { 
    border: 2px solid #ccc; 
    cursor: crosshair; 
    background: #fafafa; 
    margin-bottom: 15px; 
    max-width: 100%;
}

button {
    margin: 2px; 
    border: 0; 
    border-radius: 5px; 
    padding: 10px 20px; 
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

#save-sig-btn, #download-btn {
    background: var(--primary-color); 
    color: white;
}

button:hover { opacity: 0.9; transform: translateY(-1px); }

/* ==========================================================================
   6. COFFEE SECTION (FLOATING)
   ========================================================================== */
.coffee-section {
    position: fixed;
    bottom: 30px; right: 30px;
    z-index: 10000;
    display: flex;
    align-items: center;
}

.coffee {
    font-size: 30px;
    color: #f1f1f1;
    background: rgba(20, 20, 20, 0.6);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    padding: 12px;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: coffee-float 4s ease-in-out infinite;
}

@keyframes coffee-float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-5px, -10px) rotate(-2deg); }
}

.shake-coffee { animation: coffee-shake 0.5s ease-in-out !important; }

@keyframes coffee-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.coffee-info {
    visibility: hidden; opacity: 0;
    position: absolute; bottom: 125%; right: 0;
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(10px);
    color: #fff; padding: 10px; border-radius: 8px;
    width: 160px; font-size: 0.75rem; text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.coffee-section:hover .coffee-info { visibility: visible; opacity: 1; }

/* ==========================================================================
   7. FOOTER
   ========================================================================== */
.footer-section { margin-top: 30px; padding: 20px 0; width: 100%; }
.line { border: 0; border-top: 1px solid #444; width: 300px; margin: 10px auto; }
.ownership { text-align: center; margin-bottom: 10px; }
.branding { font-size: 0.9rem; color: #94a3b8; }
.branding a { color: var(--accent-color); text-decoration: none; font-weight: 600; }

.socials { display: flex; justify-content: center; gap: 20px; }
.socials a {
    text-decoration: none;
    display: flex; justify-content: center; align-items: center;
    width: 45px; height: 45px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: white;
    transition: 0.3s;
}

.socials a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* ==========================================================================
   8. MOBILE RESPONSIVENESS
   ========================================================================== */
@media (max-width: 800px) {
    .header-wrapper { flex-direction: column; gap: 15px; }
    .back-btn { position: static; margin-bottom: 10px; }
    .toolbar1 { flex-direction: column; text-align: center; width: 100%; }
    .coffee-section { bottom: 20px; right: 20px; }
}