/* Page styles for guest-book.html (extracted from inline <style>) */
/* Guest Book Page Styles */
.guestbook-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.guestbook-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.guestbook-title {
    font-size: 1.5rem;
    color: #8be9fd;
    text-transform: lowercase;
    letter-spacing: 0.1em;
    position: relative;
    margin: 0;
}

.guestbook-title::after {
    content: '_';
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.guestbook-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.guestbook-link {
    background: transparent;
    border: 1px solid #333;
    color: #666;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: lowercase;
    letter-spacing: 0.05em;
    text-decoration: none;
}

.guestbook-link:hover {
    border-color: #8be9fd;
    color: #8be9fd;
    box-shadow: 0 0 20px rgba(139, 233, 253, 0.2);
}

.guestbook-link.reload-btn {
    border-color: #ff79c6;
    color: #ff79c6;
    display: none;
}

.guestbook-link.reload-btn:hover {
    border-color: #ff92d0;
    color: #ff92d0;
    box-shadow: 0 0 20px rgba(255, 121, 198, 0.3);
}

/* Iframe Container */
.guestbook-frame-container {
    background: linear-gradient(145deg, #0a0a0a 0%, #111 100%);
    border: 1px solid #1a1a1a;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.guestbook-frame-container:hover {
    border-color: #8be9fd;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(139, 233, 253, 0.1);
}

.guestbook-iframe {
    width: 100%;
    height: calc(100vh - 280px);
    min-height: 500px;
    max-height: 600px;
    border: none;
    display: block;
}

/* Scanline overlay */
.guestbook-frame-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
    z-index: 10;
    opacity: 0.3;
}

@media (max-width: 768px) {
    .guestbook-iframe {
        height: calc(100vh - 320px);
        min-height: 400px;
        max-height: 500px;
    }
    
    .guestbook-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Hologram Hero Image Effects */
.hologram-container {
    position: relative;
    display: inline-block;
    max-width: 200px;
    overflow: visible;
    -webkit-mask-image: radial-gradient(ellipse 75% 80% at center, black 40%, transparent 70%);
    mask-image: radial-gradient(ellipse 75% 80% at center, black 40%, transparent 70%);
}
.hologram-image {
    max-width: 200px;
    height: auto;
    filter: contrast(1.1) saturate(1.2);
    animation: hologramPhase 4s ease-in-out infinite, hologramGlitch 8s step-end infinite;
    image-rendering: pixelated;
}
.hologram-container::before, .hologram-container::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: inherit;
    pointer-events: none;
}
.hologram-container::before {
    background: url('../assets/remilio2.png') center/contain no-repeat;
    mix-blend-mode: screen;
    opacity: 0.4;
    filter: hue-rotate(-30deg) saturate(1.5);
    animation: chromaShiftRed 3s ease-in-out infinite;
}
.hologram-container::after {
    background: url('../assets/remilio2.png') center/contain no-repeat;
    mix-blend-mode: screen;
    opacity: 0.4;
    filter: hue-rotate(30deg) saturate(1.5);
    animation: chromaShiftBlue 3s ease-in-out infinite reverse;
}
.hologram-scanlines {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(0deg, transparent 0px, transparent 1px, rgba(0,0,0,0.4) 1px, rgba(0,0,0,0.4) 2px);
    pointer-events: none;
    z-index: 10;
    animation: scanlineMove 0.1s linear infinite;
}
.hologram-flicker {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(139, 233, 253, 0.03);
    pointer-events: none;
    z-index: 11;
    animation: hologramFlicker 0.15s infinite;
    mix-blend-mode: overlay;
}
.hologram-noise {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 12;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' 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)'/%3E%3C/svg%3E");
    opacity: 0.15;
    mix-blend-mode: overlay;
    animation: noiseShift 0.5s steps(10) infinite;
}
@keyframes hologramPhase {
    0%, 100% { opacity: 0.95; transform: scale(1) translateY(0); filter: contrast(1.1) saturate(1.2) brightness(1); }
    25% { opacity: 0.85; transform: scale(1.01) translateY(-1px); filter: contrast(1.2) saturate(1.4) brightness(1.1); }
    50% { opacity: 0.9; transform: scale(0.99) translateY(1px); filter: contrast(1.15) saturate(1.3) brightness(0.95); }
    75% { opacity: 1; transform: scale(1.005) translateY(-0.5px); filter: contrast(1.25) saturate(1.5) brightness(1.15); }
}
@keyframes hologramGlitch {
    0%, 95%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    96% { clip-path: inset(20% 0 30% 0); transform: translate(-3px, 0); }
    97% { clip-path: inset(50% 0 10% 0); transform: translate(3px, 0); }
    98% { clip-path: inset(10% 0 60% 0); transform: translate(-2px, 0); }
    99% { clip-path: inset(40% 0 20% 0); transform: translate(2px, 0); }
}
@keyframes chromaShiftRed { 0%, 100% { transform: translate(-1px, 0); } 50% { transform: translate(-2px, 1px); } }
@keyframes chromaShiftBlue { 0%, 100% { transform: translate(1px, 0); } 50% { transform: translate(2px, -1px); } }
@keyframes scanlineMove { 0% { background-position: 0 0; } 100% { background-position: 0 4px; } }
@keyframes hologramFlicker {
    0%, 100% { opacity: 0.03; } 10% { opacity: 0.08; } 20% { opacity: 0.02; } 30% { opacity: 0.1; }
    40% { opacity: 0.04; } 50% { opacity: 0.15; } 60% { opacity: 0.05; } 70% { opacity: 0.12; }
    80% { opacity: 0.03; } 90% { opacity: 0.08; }
}
@keyframes noiseShift {
    0% { transform: translate(0, 0); } 10% { transform: translate(-5%, -5%); } 20% { transform: translate(5%, 5%); }
    30% { transform: translate(-5%, 5%); } 40% { transform: translate(5%, -5%); } 50% { transform: translate(-2%, 2%); }
    60% { transform: translate(2%, -2%); } 70% { transform: translate(-3%, -3%); } 80% { transform: translate(3%, 3%); }
    90% { transform: translate(-1%, 1%); } 100% { transform: translate(0, 0); }
}
.hologram-container:hover .hologram-image { animation: hologramPhaseIntense 2s ease-in-out infinite, hologramGlitchIntense 3s step-end infinite; filter: contrast(1.3) saturate(1.6) brightness(1.2); }
.hologram-container:hover .hologram-noise { opacity: 0.25; }
.hologram-container:hover .hologram-flicker { animation: hologramFlickerIntense 0.08s infinite; }
@keyframes hologramPhaseIntense {
    0%, 100% { opacity: 1; transform: scale(1); } 25% { opacity: 0.7; transform: scale(1.02) translateX(-2px); }
    50% { opacity: 0.9; transform: scale(0.98) translateX(2px); } 75% { opacity: 0.8; transform: scale(1.01) translateY(-2px); }
}
@keyframes hologramGlitchIntense {
    0%, 90%, 100% { clip-path: inset(0 0 0 0); }
    91% { clip-path: inset(30% 0 20% 0); transform: translate(-4px, 0); } 92% { clip-path: inset(10% 0 50% 0); transform: translate(4px, 0); }
    93% { clip-path: inset(60% 0 10% 0); transform: translate(-3px, 0); } 94% { clip-path: inset(20% 0 40% 0); transform: translate(3px, 0); }
    95% { clip-path: inset(40% 0 30% 0); transform: translate(-2px, 0); } 96% { clip-path: inset(15% 0 55% 0); transform: translate(2px, 0); }
    97% { clip-path: inset(50% 0 20% 0); transform: translate(-3px, 0); } 98% { clip-path: inset(25% 0 45% 0); transform: translate(3px, 0); }
    99% { clip-path: inset(35% 0 35% 0); transform: translate(-1px, 0); }
}
@keyframes hologramFlickerIntense {
    0%, 100% { opacity: 0.1; background: rgba(139, 233, 253, 0.05); } 25% { opacity: 0.2; background: rgba(255, 100, 100, 0.05); }
    50% { opacity: 0.05; background: rgba(100, 255, 100, 0.05); } 75% { opacity: 0.25; background: rgba(139, 233, 253, 0.08); }
}