* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #14b8a6;
    --primary-dark: #0d9488;
    --primary-light: #5eead4;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg: #f0fdfa;
    --card-bg: #ffffff;
    --text: #0f766e;
    --text-light: #5eead4;
    --border: #99f6e4;
    --accent: #2dd4bf;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 50%, #99f6e4 100%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Login */
.login-card {
    max-width: 420px;
    margin: 2rem auto;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(20, 184, 166, 0.2), 0 8px 16px rgba(20, 184, 166, 0.1);
    border: 2px solid var(--primary-light);
    animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card h1 {
    text-align: center;
    margin-bottom: 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #ffffff;
    color: var(--text);
    box-shadow: 0 2px 4px rgba(20, 184, 166, 0.1);
    font-weight: 500;
}

.form-control:hover {
    border-color: var(--primary-light);
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.15);
    transform: translateY(-1px);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.15), 0 4px 12px rgba(20, 184, 166, 0.2);
    transform: translateY(-2px);
    background: #f0fdfa;
}

.form-control::placeholder {
    color: #94a3b8;
    opacity: 0.7;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23334155' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 12px;
    padding-right: 2.5rem;
    appearance: none;
}

/* Buttons */
.btn {
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    text-align: center;
    text-decoration: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, #475569 100%);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #475569 0%, var(--secondary) 100%);
    box-shadow: 0 4px 12px rgba(100, 116, 139, 0.4);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, var(--danger) 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #34d399 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, var(--success) 100%);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border);
}

.header h2 {
    color: var(--primary);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border);
}

.card-header h3 {
    margin: 0;
    color: var(--text);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-header h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    border-radius: 2px;
}

/* Scanner */
#scannerContainer {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 1.5rem auto;
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    min-height: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.scanner-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
}

#scannerVideo {
    width: 100%;
    height: auto;
    display: block;
    min-height: 400px;
    object-fit: cover;
}

#scannerCanvas {
    display: none;
}

.scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 10;
}

.quagga-scanner {
    width: 100%;
    min-height: 400px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
}

.quagga-scanner video {
    width: 100%;
    height: auto;
    min-height: 400px;
    object-fit: cover;
}

.quagga-scanner canvas {
    display: none;
}

.scanner-frame {
    width: 280px;
    height: 280px;
    border: 3px solid var(--primary);
    border-radius: 12px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5),
                inset 0 0 20px rgba(20, 184, 166, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5),
                    inset 0 0 20px rgba(20, 184, 166, 0.3);
    }
    50% {
        box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5),
                    inset 0 0 30px rgba(20, 184, 166, 0.6);
    }
}

.scanner-overlay p {
    margin-top: 1rem;
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.scanner-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: white;
    padding: 2rem;
}

.scanner-loading p {
    margin-top: 1rem;
    font-size: 1.1rem;
}

.spinner-large {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

#startScanBtn, #stopScanBtn {
    width: 100%;
    margin-top: 1rem;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.scanner-error {
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    font-weight: 600;
    max-width: 400px;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.notification-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
}

.notification-success {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.notification-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.notification-error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

/* Result Card */
.result-card {
    background: linear-gradient(135deg, var(--success) 0%, #34d399 100%);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    margin-top: 1.5rem;
    text-align: center;
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.result-card.error {
    background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
}

.result-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.result-card p {
    margin: 0.5rem 0;
    font-size: 1.05rem;
    opacity: 0.95;
}

.result-card p strong {
    font-weight: 700;
    opacity: 1;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.tab-btn {
    padding: 0.875rem 1.75rem;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    color: var(--text-light);
    position: relative;
}

.tab-btn:hover {
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.3);
    transform: translateY(-2px);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* List */
.list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.list-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.list-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: #cbd5e1;
}

.list-item-info {
    flex: 1;
    min-width: 200px;
}

.list-item-info h4 {
    margin-bottom: 0.5rem;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
}

.list-item-info p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0.25rem 0;
    line-height: 1.6;
}

.list-item-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.badge-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.badge-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.badge-primary {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Search & Filter */
.search-box, .filter-box {
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.search-box input, .filter-box input, .filter-box select {
    flex: 1;
    min-width: 150px;
}

.search-box input {
    background: white;
    padding-left: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 1rem center;
    background-size: 18px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 550px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-content h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    border-radius: 2px;
}

.close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

.close:hover {
    color: var(--text);
    background: #f1f5f9;
    transform: rotate(90deg);
}

/* Error Message */
.error-message {
    color: var(--danger);
    margin-top: 1rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-radius: 12px;
    display: none;
    border: 1px solid #fca5a5;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.1);
    font-weight: 500;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.error-message.show {
    display: block;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state::before {
    content: '📋';
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Loading State */
.loading-state {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .login-card {
        margin: 1rem auto;
        padding: 2rem 1.5rem;
    }

    .card {
        padding: 1.5rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem;
    }

    .header h2 {
        font-size: 1.5rem;
    }

    .list-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.25rem;
    }

    .list-item-actions {
        width: 100%;
        justify-content: stretch;
    }

    .list-item-actions .btn {
        flex: 1;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .filter-box {
        flex-direction: column;
        padding: 1rem;
    }

    .filter-box input, .filter-box select {
        width: 100%;
    }

    .tabs {
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .tab-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }

    .modal-content {
        padding: 1.5rem;
        border-radius: 16px;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 0.8s linear infinite;
    margin: 1rem auto;
}

.spinner-large {
    border: 4px solid rgba(37, 99, 235, 0.2);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

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

@keyframes blob {
    0% {
        transform: translate(0px, 0px) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    100% {
        transform: translate(0px, 0px) scale(1);
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}