/* Advanced Notification System */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
}

.notification {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-left: 4px solid var(--secondary-color);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideInNotification 0.5s ease-out forwards;
}

@keyframes slideInNotification {
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification.success {
    border-left-color: #10b981;
}

.notification.error {
    border-left-color: #ef4444;
}

.notification.info {
    border-left-color: #3b82f6;
}

.notification.warning {
    border-left-color: #f59e0b;
}

.notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.notification-title {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 14px;
}

.notification-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: #666;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-message {
    color: #666;
    font-size: 13px;
    line-height: 1.4;
}

.notification-icon {
    margin-right: 8px;
    font-size: 16px;
}

/* Advanced Loading Spinner */
.advanced-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Enhanced Tooltips */
.tooltip-advanced {
    position: relative;
    display: inline-block;
}

.tooltip-advanced::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
}

.tooltip-advanced::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.tooltip-advanced:hover::before,
.tooltip-advanced:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 5px);
}

/* Progress Ring */
.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    stroke: var(--secondary-color);
    stroke-width: 4;
    stroke-linecap: round;
    fill: transparent;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 0.5s ease-in-out;
}

/* Advanced Modal */
.modal-advanced {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-advanced.active {
    opacity: 1;
    visibility: visible;
}

.modal-content-advanced {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.8) translateY(50px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-advanced.active .modal-content-advanced {
    transform: scale(1) translateY(0);
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border: none;
    border-radius: 50%;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.fab:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
}

.fab:active {
    transform: scale(0.95);
}

/* Advanced Card Layouts */
.card-advanced {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card-advanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.card-advanced:hover::before {
    transform: scaleX(1);
}

.card-advanced:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Gradient Borders */
.gradient-border {
    position: relative;
    background: white;
    border-radius: 10px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: var(--gradient-secondary);
    border-radius: inherit;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

/* Staggered Animation */
.stagger-animation > * {
    opacity: 0;
    transform: translateY(30px);
    animation: staggerIn 0.6s ease-out forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }

@keyframes staggerIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Typography */
.responsive-text {
    font-size: clamp(1rem, 2.5vw, 2rem);
    line-height: 1.6;
}

/* Advanced Grid */
.auto-fit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.auto-fill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}