/* ========================================
   UI ENHANCEMENTS - Modern Visual Improvements
   ======================================== */

/* Enhanced Color Palette */
:root {
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #3d5afe 0%, #5c7cfa 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* Glassmorphism Effect for Cards */
.content-card {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border) !important;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Enhanced Sidebar */
.sidebar {
    background: linear-gradient(180deg, #1E1E2F 0%, #16171f 100%);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
    position: relative;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: radial-gradient(circle at 50% 0%, rgba(61, 90, 254, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* Enhanced Navigation Items */
.nav-item {
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-accent);
    transform: scaleY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item:hover::before,
.nav-item.active::before {
    transform: scaleY(1);
}

.nav-item:hover {
    background: linear-gradient(90deg, rgba(61, 90, 254, 0.1) 0%, transparent 100%);
}

/* Animated Button Enhancements */
button,
.btn,
.add-user-btn,
.deploy-btn,
.deploy-single-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

button::before,
.btn::before,
.add-user-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

button:hover::before,
.btn:hover::before,
.add-user-btn:hover::before {
    width: 300px;
    height: 300px;
}

/* Enhanced Table Rows */
.sales-table tbody tr {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.sales-table tbody tr::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-blue) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.sales-table tbody tr:hover::after {
    opacity: 0.5;
}

.sales-table tbody tr:hover {
    background: linear-gradient(90deg, rgba(61, 90, 254, 0.05) 0%, transparent 100%);
    transform: translateX(4px);
}

/* Enhanced Status Badges */
.status-badge {
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s;
}

.status-badge::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-paid::before {
    background: var(--status-paid-text);
}

.status-pending::before {
    background: var(--status-pending-text);
}

.status-due::before {
    background: var(--status-due-text);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }

    50% {
        opacity: 0.5;
        transform: translateY(-50%) scale(1.2);
    }
}

/* Enhanced Input Fields */
input,
select,
textarea {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(61, 90, 254, 0.2);
    transform: translateY(-1px);
}

/* Enhanced Modal */
.modal-content {
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Enhanced Header */
.page-header {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
}

/* Smooth Scroll */
* {
    scroll-behavior: smooth;
}

/* Enhanced User Avatar */
.user-avatar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(61, 90, 254, 0.4);
}

/* Loading Animation for Future Use */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.loading {
    background: linear-gradient(90deg, var(--bg-card) 0%, rgba(255, 255, 255, 0.05) 50%, var(--bg-card) 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}