/* ============================================
   MegaRise Capital - Loader Styles
   ============================================ */

/* --- Full-Screen Initial Loader --- */
#megarise-loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--surface-container-lowest);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#megarise-loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: loaderReveal 0.8s ease forwards;
}

.loader-logo {
    width: 80px;
    height: 80px;
    position: relative;
    margin-bottom: 32px;
}

.loader-logo-ring {
    position: absolute;
    inset: 0;
    border: 3px solid var(--surface-container-highest);
    border-radius: 50%;
}

.loader-logo-spinner {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: loaderSpin 1s linear infinite;
}

.loader-logo-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 32px;
    animation: loaderPulse 2s ease-in-out infinite;
}

.loader-title {
    font-family: var(--font-headline);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--on-surface);
    opacity: 0;
    animation: loaderTextReveal 0.5s ease 0.3s forwards;
}

.loader-tagline {
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary);
    margin-top: 8px;
    opacity: 0;
    animation: loaderTextReveal 0.5s ease 0.5s forwards;
}

.loader-progress {
    width: 200px;
    height: 2px;
    background: var(--surface-container-high);
    border-radius: var(--radius-full);
    margin-top: 32px;
    overflow: hidden;
    opacity: 0;
    animation: loaderTextReveal 0.5s ease 0.6s forwards;
}

.loader-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-container));
    border-radius: var(--radius-full);
    animation: loaderProgress 2s ease-in-out forwards;
}

/* --- Page Transition Loader --- */
#page-transition {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: var(--surface-container-lowest);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

#page-transition.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.page-transition-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--surface-container-highest);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: loaderSpin 0.8s linear infinite;
}

/* --- Content Skeleton States --- */
.content-loading {
    position: relative;
    overflow: hidden;
}

.content-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: shimmer 1.5s ease infinite;
    background-size: 200% 100%;
}

/* --- Button Loading State --- */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: loaderSpin 0.6s linear infinite;
}

/* --- Animations --- */
@keyframes loaderSpin {
    to { transform: rotate(360deg); }
}

@keyframes loaderPulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

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

@keyframes loaderTextReveal {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes loaderProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .loader-logo-spinner,
    .page-transition-spinner,
    .btn.loading::after {
        animation: none;
        border-top-color: var(--primary);
    }
    .loader-logo-icon { animation: none; opacity: 1; }
    .loader-brand { animation: none; }
    .loader-title,
    .loader-tagline,
    .loader-progress { animation: none; opacity: 1; }
    .loader-progress-bar { animation: none; width: 100%; }
    .skeleton { animation: none; }
    .content-loading::after { animation: none; }
}