/* Custom CSS for Blood Inventory Management System - Modern Healthcare Theme */

:root {
    --primary-red: #e11d48;         /* vibrant medical red/rose */
    --primary-red-dark: #be123c;    /* deep crimson-rose */
    --primary-red-light: #ffe4e6;   /* light rose bg */
    --accent-blue: #0284c7;         /* blue for info */
    --accent-green: #10b981;        /* green for success */
    --accent-amber: #f59e0b;        /* orange for warning */
    --text-primary: #1e293b;        /* slate-800 text */
    --text-secondary: #475569;      /* slate-600 secondary text */
    --text-muted: #94a3b8;          /* slate-400 muted text */
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-blur: 16px;
    --border-radius: 16px;
    --transition-speed: 0.3s;
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.02);
    --shadow-hover: 0 20px 40px -15px rgba(225, 29, 72, 0.12), 0 4px 12px rgba(0, 0, 0, 0.03);
}

body.app-background {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 60%, #ffe4e6 100%) !important;
    background-attachment: fixed !important;
    color: var(--text-primary) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg) !important;
    backdrop-filter: blur(var(--card-blur)) !important;
    -webkit-backdrop-filter: blur(var(--card-blur)) !important;
    border: 1px solid rgba(255, 255, 255, 0.6) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-soft) !important;
    padding: 1.75rem;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative;
    overflow: hidden;
    color: var(--text-primary) !important;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
}

.glass-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--shadow-hover) !important;
    border-color: rgba(225, 29, 72, 0.25) !important;
    background: rgba(255, 255, 255, 0.85) !important;
}

/* Buttons with glow effects */
.btn-ripple {
    position: relative;
    overflow: hidden;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 10px !important;
}

.btn {
    border-radius: 10px !important;
    font-weight: 600 !important;
    padding: 0.6rem 1.2rem !important;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark)) !important;
    border: none !important;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(225, 29, 72, 0.25) !important;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-red-dark), #9f1239) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(225, 29, 72, 0.35) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    border: none !important;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.25) !important;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35) !important;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8) !important;
    color: var(--text-secondary) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02) !important;
}

.btn-secondary:hover {
    background: #ffffff !important;
    color: var(--text-primary) !important;
    border-color: rgba(0, 0, 0, 0.15) !important;
    transform: translateY(-1px) !important;
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    border: none !important;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25) !important;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706, #b45309) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35) !important;
}

/* Sidebar styling */
.sidebar {
    width: 260px;
    height: 100vh;
    position: sticky;
    top: 0;
    background: linear-gradient(180deg, #1e1b1c 0%, #111827 100%) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.05) !important;
    color: #ffffff !important;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 1040;
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.15) !important;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.65) !important;
    padding: 0.8rem 1.25rem;
    font-weight: 500;
    transition: all 0.2s ease !important;
    border-left: 4px solid transparent !important;
    border-radius: 0 8px 8px 0 !important;
    margin-right: 8px !important;
    display: flex;
    align-items: center;
}

.sidebar .nav-link:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.05) !important;
}

.sidebar .nav-link.active {
    background: linear-gradient(90deg, rgba(225, 29, 72, 0.15) 0%, rgba(225, 29, 72, 0.02) 100%) !important;
    border-left-color: var(--primary-red) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
    margin-right: 0.75rem;
    font-size: 1.05rem;
    transition: margin 0.3s ease !important;
}

.sidebar .link-text,
.sidebar .sidebar-footer,
.sidebar .fs-5 {
    opacity: 1;
    transition: opacity 0.2s ease, visibility 0.2s ease !important;
    white-space: nowrap;
}

/* Collapsed state (desktop) */
@media (min-width: 992px) {
    .sidebar.collapsed {
        width: 80px !important;
    }
    .sidebar.collapsed .link-text,
    .sidebar.collapsed .sidebar-footer,
    .sidebar.collapsed .fs-5 {
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }
    .sidebar.collapsed .nav-link {
        justify-content: center !important;
        padding: 0.8rem 0 !important;
        margin-right: 0 !important;
        border-radius: 0 !important;
        border-left-width: 3px !important;
    }
    .sidebar.collapsed .nav-link i {
        margin-right: 0 !important;
        font-size: 1.2rem !important;
    }
}

/* Responsive design (mobile/tablet) */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed !important;
        left: 0 !important;
        top: 0 !important;
        bottom: 0 !important;
        height: 100vh !important;
        transform: translateX(-100%) !important;
    }
    .sidebar.show-mobile {
        transform: translateX(0) !important;
        box-shadow: 8px 0 30px rgba(0, 0, 0, 0.25) !important;
    }
}

.sidebar-mobile-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1030;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.sidebar-mobile-backdrop.show {
    opacity: 1;
}

/* Hover style for logout button */
.hover-danger-bg:hover {
    background: rgba(239, 68, 68, 0.1) !important;
    color: #ef4444 !important;
}

/* Main Content Area */
.main-content {
    flex: 1;
    overflow-y: auto;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Modern Navbar */
.navbar-custom {
    background: rgba(255, 255, 255, 0.7) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02) !important;
    padding: 0.875rem 1.75rem !important;
}
.navbar-custom .navbar-brand {
    font-weight: 700 !important;
    font-size: 1.3rem !important;
    color: var(--primary-red) !important;
    letter-spacing: -0.02em;
}

/* Modern Stat Cards */
.stat-card {
    padding: 1.75rem !important;
    text-align: center !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    min-height: 180px !important;
    background: rgba(255, 255, 255, 0.85) !important;
    border-radius: var(--border-radius) !important;
    border: 1px solid rgba(255, 255, 255, 0.6) !important;
    box-shadow: var(--shadow-soft) !important;
}

.stat-card:hover {
    transform: translateY(-6px) !important;
    box-shadow: var(--shadow-hover) !important;
    background: #ffffff !important;
}

.stat-card .icon {
    font-size: 2.25rem !important;
    margin-bottom: 0.75rem !important;
    color: var(--primary-red) !important;
    transition: transform var(--transition-speed) ease !important;
}

.stat-card:hover .icon {
    transform: scale(1.15) !important;
}

.stat-card .count {
    font-size: 2.25rem !important;
    font-weight: 700 !important;
    letter-spacing: -0.03em !important;
    margin-bottom: 0.25rem !important;
    color: var(--text-primary) !important;
}

.stat-card .label {
    font-size: 0.875rem !important;
    color: var(--text-secondary) !important;
    font-weight: 600 !important;
}

/* Badges */
.badge {
    padding: 0.4rem 0.8rem !important;
    border-radius: 50px !important;
    font-weight: 600 !important;
    font-size: 0.75rem !important;
    letter-spacing: 0.02em !important;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    transition: all var(--transition-speed) ease !important;
}
.badge.bg-success {
    background-color: rgba(16, 185, 129, 0.15) !important;
    color: #047857 !important;
}
.badge.bg-danger {
    background-color: rgba(239, 68, 68, 0.15) !important;
    color: #b91c1c !important;
}
.badge.bg-warning {
    background-color: rgba(245, 158, 11, 0.15) !important;
    color: #b45309 !important;
}
.badge.bg-secondary {
    background-color: rgba(100, 116, 139, 0.15) !important;
    color: #475569 !important;
}

/* Input fields */
input, textarea, select {
    background: rgba(255, 255, 255, 0.8) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    color: var(--text-primary) !important;
    border-radius: 10px !important;
    padding: 0.65rem 1rem !important;
    transition: all var(--transition-speed) ease !important;
}
input::placeholder, textarea::placeholder {
    color: var(--text-muted) !important;
}
input:focus, textarea:focus, select:focus {
    background: #ffffff !important;
    border-color: var(--primary-red) !important;
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15) !important;
    outline: none !important;
}

/* Tables styling */
.table {
    margin-bottom: 0 !important;
}
.table thead th {
    background: rgba(225, 29, 72, 0.05) !important;
    color: var(--text-secondary) !important;
    font-size: 0.8rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    border-bottom: 2px solid rgba(225, 29, 72, 0.1) !important;
    border-top: none !important;
    padding: 1rem 1.25rem !important;
    font-weight: 700 !important;
}
.table tbody td {
    color: var(--text-primary) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
    padding: 1rem 1.25rem !important;
    vertical-align: middle !important;
}
.table tbody tr {
    transition: all var(--transition-speed) ease !important;
}
.table tbody tr:hover {
    background-color: rgba(225, 29, 72, 0.02) !important;
}

/* Users Module Customizations */
.users-heading {
    font-size: 1.75rem !important;
    font-weight: 700 !important;
}
.user-count-badge {
    background: rgba(225, 29, 72, 0.1) !important;
    border-color: rgba(225, 29, 72, 0.2) !important;
    color: var(--primary-red) !important;
    font-weight: 700 !important;
    padding: 0.5rem 1rem !important;
}
.users-search-input {
    padding-left: 2.75rem !important;
    border-radius: 12px !important;
    background: rgba(255, 255, 255, 0.8) !important;
}
.users-search-wrapper .search-icon {
    left: 1.1rem !important;
    color: var(--text-secondary) !important;
}
.user-avatar {
    box-shadow: 0 4px 10px rgba(0,0,0,0.05) !important;
}

/* Pagination Overrides */
.pagination {
    gap: 4px !important;
}
.page-link {
    background: rgba(255, 255, 255, 0.8) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    color: var(--text-secondary) !important;
    border-radius: 8px !important;
    padding: 0.5rem 0.9rem !important;
    font-weight: 600 !important;
}
.page-link:hover {
    background: rgba(225, 29, 72, 0.1) !important;
    color: var(--primary-red) !important;
    border-color: rgba(225, 29, 72, 0.2) !important;
}
.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark)) !important;
    border-color: var(--primary-red) !important;
    color: white !important;
    box-shadow: 0 4px 10px rgba(225, 29, 72, 0.2) !important;
}
.page-item.disabled .page-link {
    background: rgba(255, 255, 255, 0.4) !important;
    opacity: 0.5 !important;
}

/* Footer Styling Override */
.footer {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(10px) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.5) !important;
    color: var(--text-secondary) !important;
}
.footer h4, .footer h5 {
    color: var(--text-primary) !important;
    font-weight: 700 !important;
}
.footer-links a {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    transition: color 0.2s ease !important;
}
.footer-links a:hover {
    color: var(--primary-red) !important;
}
.social-btn {
    width: 38px;
    height: 38px;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    color: var(--text-secondary) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease !important;
}
.social-btn:hover {
    background: var(--primary-red) !important;
    color: white !important;
    border-color: var(--primary-red) !important;
    transform: scale(1.1) !important;
}



/* ===================== Healthcare-Themed Login Page Styles ===================== */

.login-page-wrapper {
    position: relative;
    background: radial-gradient(circle at 50% 50%, #2b0b0e 0%, #0c0d14 70%, #07070b 100%);
    overflow: hidden;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Rhythmic Heartbeat Glow */
.pulse-glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(220, 38, 38, 0.12) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
    animation: heartbeat-glow 3s infinite ease-in-out;
}

@keyframes heartbeat-glow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(0.95);
        opacity: 0.6;
    }
    20% {
        transform: translate(-50%, -50%) scale(1.18);
        opacity: 1;
    }
    40% {
        transform: translate(-50%, -50%) scale(0.98);
        opacity: 0.75;
    }
    60% {
        transform: translate(-50%, -50%) scale(1.08);
        opacity: 0.9;
    }
    80% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
}

/* Grid & ECG lines in background */
.ecg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.4;
    z-index: 1;
}

/* Floating Red Blood Cells */
.blood-cells-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 2;
}

.blood-cell {
    position: absolute;
    background: radial-gradient(circle at 35% 35%, #ff4d4d 0%, #b30000 60%, #660000 100%);
    border-radius: 50%;
    box-shadow: 
        inset -5px -5px 12px rgba(0, 0, 0, 0.6), 
        inset 4px 4px 8px rgba(255, 255, 255, 0.35),
        0 10px 25px rgba(0, 0, 0, 0.4);
    opacity: 0.75;
    pointer-events: none;
    will-change: transform, opacity;
}

/* Let's make individual cell animations for realistic floating and swaying */
.blood-cell-1 { width: 42px; height: 42px; left: 8%; bottom: -60px; animation: float-up-1 22s linear infinite; }
.blood-cell-2 { width: 28px; height: 28px; left: 22%; bottom: -60px; animation: float-up-2 16s linear infinite; animation-delay: 3s; }
.blood-cell-3 { width: 52px; height: 52px; left: 40%; bottom: -60px; animation: float-up-3 26s linear infinite; animation-delay: 1s; }
.blood-cell-4 { width: 32px; height: 32px; left: 60%; bottom: -60px; animation: float-up-4 20s linear infinite; animation-delay: 5s; }
.blood-cell-5 { width: 48px; height: 48px; left: 78%; bottom: -60px; animation: float-up-1 21s linear infinite; animation-delay: 2s; }
.blood-cell-6 { width: 24px; height: 24px; left: 90%; bottom: -60px; animation: float-up-2 14s linear infinite; animation-delay: 7s; }
.blood-cell-7 { width: 38px; height: 38px; left: 15%; bottom: -60px; animation: float-up-3 19s linear infinite; animation-delay: 6s; }
.blood-cell-8 { width: 46px; height: 46px; left: 52%; bottom: -60px; animation: float-up-4 24s linear infinite; animation-delay: 4s; }

/* Floating cell animations with slow upward drift, rotating and swaying */
@keyframes float-up-1 {
    0% { transform: translateY(0) rotate(0deg) translateX(0); opacity: 0; }
    10% { opacity: 0.75; }
    90% { opacity: 0.75; }
    100% { transform: translateY(-115vh) rotate(360deg) translateX(45px); opacity: 0; }
}
@keyframes float-up-2 {
    0% { transform: translateY(0) rotate(0deg) translateX(0); opacity: 0; }
    15% { opacity: 0.65; }
    85% { opacity: 0.65; }
    100% { transform: translateY(-115vh) rotate(-360deg) translateX(-35px); opacity: 0; }
}
@keyframes float-up-3 {
    0% { transform: translateY(0) rotate(0deg) translateX(0); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { transform: translateY(-115vh) rotate(180deg) translateX(-55px); opacity: 0; }
}
@keyframes float-up-4 {
    0% { transform: translateY(0) rotate(0deg) translateX(0); opacity: 0; }
    12% { opacity: 0.7; }
    88% { opacity: 0.7; }
    100% { transform: translateY(-115vh) rotate(-180deg) translateX(40px); opacity: 0; }
}

/* Glassmorphism card for login with beautiful focus styling */
.login-glass-card {
    z-index: 10;
    max-width: 440px;
    width: 90%;
    margin: 1.5rem;
    background: rgba(18, 18, 28, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.login-glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.6), 
        0 0 35px rgba(220, 38, 38, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    background: rgba(22, 22, 34, 0.55);
    border-color: rgba(220, 38, 38, 0.35);
}

.login-blood-bag-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.25rem;
    position: relative;
}

.login-blood-bag-img {
    width: 75px;
    height: auto;
    filter: drop-shadow(0 8px 16px rgba(220, 38, 38, 0.45));
    animation: heartbeat-scale 3s infinite ease-in-out;
}

@keyframes heartbeat-scale {
    0%, 100% { transform: scale(1); }
    20% { transform: scale(1.08); }
    40% { transform: scale(0.98); }
    60% { transform: scale(1.05); }
    80% { transform: scale(1); }
}

.login-page-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #ffffff;
    margin-top: 0.5rem;
}

.login-page-subtitle {
    color: rgba(255, 255, 255, 0.75) !important;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0;
}

.login-glass-card input {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #ffffff !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.95rem;
}

.login-glass-card input:focus {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: #ff4d4d !important;
    box-shadow: 0 0 15px rgba(255, 77, 77, 0.25) !important;
}

.btn-login {
    background: linear-gradient(135deg, #dc2626, #991b1b);
    padding: 0.75rem !important;
    font-size: 1rem;
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.4);
}

/* Dashboard layout improvements */
.row > .col {
    display: flex;
    flex-direction: column;
    justify-content: stretch;
}

.glass-card {
    flex: 1;
    display: flex;
    flex-direction: column;
}