/* ========================================
   DigiEdu - Minimal Styles
   Only essential shared styles
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Animation durations */
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;

    /* Animation easings */
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
}

/* ========== Toast Notifications ========== */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #333;
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
    z-index: 9999;
    max-width: 400px;
}

.toast.toast-show {
    opacity: 1;
    transform: translateY(0);
}

.toast.toast-error {
    background: #ef4444;
}

.toast.toast-success {
    background: #10b981;
}

/* ========== Animations ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========== Accessibility ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}