/* Base Styles & Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-primary);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }

button { font-family: inherit; }

/* Loader */
.loader {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #2563EB 0%, #1d4ed8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.loader-content {
    text-align: center;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.loader-logo {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
    animation: none;
}

.loader-text {
    color: white;
    font-size: 1rem;
    font-weight: 500;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Offline Banner */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #dc2626;
    color: white;
    padding: 0.75rem 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 9998;
    transform: translateY(-100%);
    transition: transform 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.offline-banner.show {
    transform: translateY(0);
}