/**
 * MIREKBYGG - Page Loader
 * Elegant loading experience with iOS Safari compatibility
 */

.page-loader {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-black);
    z-index: var(--z-loader);
    transition: 
        opacity var(--transition-slow) var(--ease-out),
        visibility var(--transition-slow) var(--ease-out);
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Ensure navigation is always visible, even during loading */
body.loading .main-nav {
    opacity: 1;
    visibility: visible;
}

body.loading .nav-logo,
body.loading .logo-mark,
body.loading .logo-text,
body.loading .mm-logo {
    opacity: 1;
    visibility: visible;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
}

.loader-logo {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Pulsing glow effect that works on iOS */
    animation: loaderPulse 2s ease-in-out infinite;
    -webkit-animation: loaderPulse 2s ease-in-out infinite;
}

/* SVG container */
.mm-logo-loader {
    width: 100%;
    height: 100%;
    display: block;
    color: #D4AF37; /* Fallback color */
    color: var(--color-gold);
}

/* Logo paths with iOS-compatible stroke animation */
.logo-path {
    fill: none;
    stroke: currentColor;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    /* Animation values - path length is approximately 190 */
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    /* iOS Safari needs -webkit prefix */
    -webkit-animation: drawLogoPath 1.5s ease-out forwards infinite;
    animation: drawLogoPath 1.5s ease-out forwards infinite;
}

.logo-path:nth-child(2) {
    -webkit-animation-delay: 0.3s;
    animation-delay: 0.3s;
}

.loader-text {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-light);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-silver);
    opacity: 0;
    -webkit-animation: fadeIn 1s var(--ease-out) forwards;
    animation: fadeIn 1s var(--ease-out) forwards;
    -webkit-animation-delay: 0.5s;
    animation-delay: 0.5s;
}

/* === KEYFRAMES with -webkit- prefixes for iOS === */

/* Logo path drawing animation */
@-webkit-keyframes drawLogoPath {
    0% {
        stroke-dashoffset: 200;
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
    100% {
        stroke-dashoffset: 0;
        opacity: 1;
    }
}

@keyframes drawLogoPath {
    0% {
        stroke-dashoffset: 200;
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
    100% {
        stroke-dashoffset: 0;
        opacity: 1;
    }
}

/* Pulse animation for the logo container */
@-webkit-keyframes loaderPulse {
    0%, 100% {
        -webkit-transform: scale(1);
        transform: scale(1);
        opacity: 1;
    }
    50% {
        -webkit-transform: scale(1.05);
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes loaderPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* Fade in animation */
@-webkit-keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Progress bar variant */
.loader-progress {
    width: 200px;
    height: 2px;
    background: var(--color-charcoal);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.loader-progress-bar {
    height: 100%;
    background: var(--gradient-gold);
    width: 0;
    transition: width var(--transition-base) var(--ease-out);
}

/* Dots loader variant */
.loader-dots {
    display: flex;
    gap: var(--space-2);
}

.loader-dot {
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: var(--radius-full);
    -webkit-animation: loaderDotBounce 1s ease-in-out infinite;
    animation: loaderDotBounce 1s ease-in-out infinite;
}

.loader-dot:nth-child(2) {
    -webkit-animation-delay: 0.1s;
    animation-delay: 0.1s;
}

.loader-dot:nth-child(3) {
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
}

@-webkit-keyframes loaderDotBounce {
    0%, 100% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    50% {
        -webkit-transform: translateY(-10px);
        transform: translateY(-10px);
    }
}

@keyframes loaderDotBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .loader-logo {
        width: 60px;
        height: 60px;
    }
    
    .loader-text {
        font-size: var(--text-xs);
    }
}

/* === iOS Safari specific fixes === */
@supports (-webkit-touch-callout: none) {
    .logo-path {
        /* Force GPU acceleration on iOS */
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
    
    .mm-logo-loader {
        /* Ensure SVG renders properly on iOS */
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}