:root {
    /* Color Palette - Promicy Brand Colors */
    --primary: #03A5F5;
    --primary-dark: #0288d1;
    --primary-light: #4fc3f7;
    --secondary: #059669;
    --secondary-dark: #047857;
    --secondary-light: #10b981;
    --success: #059669;
    --danger: hsl(0, 72%, 51%);
    --warning: hsl(38, 92%, 50%);

    /* Neutrals - Light Theme */
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F5F9;
    --surface: #FFFFFF;
    --surface-hover: #F8FAFC;

    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-tertiary: #94A3B8;

    --border: #E2E8F0;
    --border-light: #F1F5F9;

    /* Shadows & Glows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.15);
    --shadow-glow: 0 4px 14px rgba(3, 165, 245, 0.2);
    
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-glow);
}

.logo h2 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all 0.2s;
}

.nav-item i {
    font-size: 20px;
}

.nav-item:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: var(--shadow-glow);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--surface);
    color: var(--primary);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.store-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.user-role {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 40px 64px;
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    margin: 0 auto;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
}

.header-titles h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 15px;
}

.progress-container {
    background: var(--bg-secondary);
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    width: 240px;
    box-shadow: var(--shadow-md);
}

.progress-text {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 600;
}

#progress-percentage {
    color: var(--primary);
}

.progress-bar-bg {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    width: 0%;
    transition: width 0.4s ease;
    border-radius: 4px;
    box-shadow: var(--shadow-glow);
}

/* Form Container */
.form-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
    margin-bottom: 32px;
}

/* Item Card */
.task-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    gap: 24px;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    backdrop-filter: blur(10px);
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.product-image {
    width: 100px;
    height: 100px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 32px;
    flex-shrink: 0;
}

.task-details {
    flex: 1;
}

.product-code {
    font-size: 12px;
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.input-group {
    display: flex;
    gap: 16px;
    align-items: center;
}

.input-control {
    flex: 1;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

input[type="number"], input[type="text"], select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(3, 165, 245, 0.2);
}

.status-toggle {
    display: flex;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px;
    gap: 4px;
}

.toggle-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.toggle-btn.active.yes {
    background: var(--success);
    color: white;
    box-shadow: 0 2px 4px rgba(5, 150, 105, 0.4);
}

.toggle-btn.active.no {
    background: var(--danger);
    color: white;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.4);
}

.photo-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px dashed var(--primary);
    color: var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: rgba(3, 165, 245, 0.05);
    transition: all 0.2s;
}

.photo-upload:hover {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

/* Footer Actions */
.action-footer {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-light);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 400px;
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.3s;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    color: var(--text-primary);
}

.modal-overlay.show .modal {
    transform: translateY(0);
}

.success-icon {
    font-size: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    display: inline-block;
}

.modal h2 {
    font-size: 24px;
    margin-bottom: 12px;
}

.modal p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
}

.modal .btn {
    width: 100%;
    justify-content: center;
}