:root {
    --coke-red: #EA0000;
    --coke-dark-red: #D40000;
    --coke-black: #000000;
    --coke-white: #FFFFFF;
    --coke-gray: #4F4F4F;
    --coke-light-gray: #6C6C6C;
    --coke-bg-gray: #F8F8F8;
    --primary-color: #EA0000;
    --secondary-color: #000000;
    --success-color: #27ae60;
    --danger-color: #EA0000;
    --warning-color: #f39c12;
    --google-blue: #4285f4;
    --google-green: #34a853;
    --google-yellow: #fbbc04;
    --google-red: #EA0000;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
    min-height: 100vh;
    padding: 20px 0;
    font-weight: 400;
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

.header-section {
    background: var(--coke-white);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 16px 24px rgba(0,0,0,0.15);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--coke-red) 0%, var(--coke-dark-red) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coke-white);
    font-size: 30px;
    box-shadow: 0 8px 16px rgba(234, 0, 0, 0.3);
}

.content-card {
    background: var(--coke-white);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 16px 24px rgba(0,0,0,0.12);
    transition: all 0.3s ease;
}

.content-card:hover {
    box-shadow: 0 20px 32px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.upload-area {
    border: 3px dashed var(--coke-red);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    background: var(--coke-bg-gray);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.upload-area:hover {
    border-color: var(--coke-dark-red);
    background: #FFF5F5;
    box-shadow: 0 8px 16px rgba(234, 0, 0, 0.1);
}

.upload-area.dragover {
    border-color: var(--coke-red);
    background: #FFE8E8;
    box-shadow: 0 12px 20px rgba(234, 0, 0, 0.2);
}

.upload-icon {
    font-size: 60px;
    color: var(--coke-red);
    margin-bottom: 20px;
}

.btn-google {
    background: var(--coke-white);
    color: var(--coke-gray);
    border: 1px solid #ddd;
    padding: 12px 24px;
    border-radius: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.btn-google:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
    background: var(--coke-bg-gray);
    border-color: var(--coke-red);
    transform: translateY(-1px);
}

.btn-google img {
    width: 20px;
    height: 20px;
}

.btn-sync {
    background: linear-gradient(135deg, var(--coke-red) 0%, var(--coke-dark-red) 100%);
    color: var(--coke-white);
    border: none;
    padding: 14px 30px;
    border-radius: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    box-shadow: 0 8px 16px rgba(234, 0, 0, 0.3);
}

.btn-sync:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(234, 0, 0, 0.4);
    color: var(--coke-white);
    background: linear-gradient(135deg, var(--coke-dark-red) 0%, #B50000 100%);
}

.stats-card {
    text-align: center;
    padding: 20px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--coke-white) 0%, var(--coke-bg-gray) 100%);
    border: 1px solid rgba(234, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(234, 0, 0, 0.1);
}

.stats-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--coke-red);
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.stats-label {
    color: var(--coke-gray);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
    font-weight: 500;
}

.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.status-connected {
    background: #d5f4e6;
    color: #27ae60;
    box-shadow: 0 4px 8px rgba(39, 174, 96, 0.2);
}

.status-disconnected {
    background: #FFE8E8;
    color: var(--coke-red);
    box-shadow: 0 4px 8px rgba(234, 0, 0, 0.2);
}

.status-connecting {
    background: #fff3cd;
    color: #856404;
    box-shadow: 0 4px 8px rgba(133, 100, 4, 0.2);
}

#fileInput {
    display: none;
}

.products-table-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid rgba(234, 0, 0, 0.2);
    border-radius: 16px;
    margin-top: 15px;
}

.products-table-container thead {
    position: sticky;
    top: 0;
    background: var(--coke-white);
    z-index: 10;
    box-shadow: 0 4px 8px rgba(234, 0, 0, 0.1);
}

.sync-progress {
    display: none;
    margin-top: 20px;
}

.sync-item {
    display: flex;
    align-items: center;
    padding: 10px;
    margin: 5px 0;
    border-radius: 16px;
    background: var(--coke-bg-gray);
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.sync-item.success {
    background: #d5f4e6;
    border-left: 4px solid #27ae60;
    box-shadow: 0 4px 8px rgba(39, 174, 96, 0.1);
}

.sync-item.error {
    background: #FFE8E8;
    border-left: 4px solid var(--coke-red);
    box-shadow: 0 4px 8px rgba(234, 0, 0, 0.1);
}

.sync-item.pending {
    background: #fef5e7;
    border-left: 4px solid #f39c12;
    box-shadow: 0 4px 8px rgba(243, 156, 18, 0.1);
}

.google-signin-container {
    text-align: center;
    padding: 30px;
    background: var(--coke-bg-gray);
    border-radius: 16px;
    margin: 20px 0;
    border: 1px solid rgba(234, 0, 0, 0.1);
}

.sheet-preview {
    background: var(--coke-bg-gray);
    border-radius: 16px;
    padding: 15px;
    margin-top: 15px;
    border: 1px solid rgba(234, 0, 0, 0.1);
}

.day-selector {
    display: flex;
    gap: 10px;
    align-items: center;
    margin: 15px 0;
    padding: 15px;
    background: var(--coke-bg-gray);
    border-radius: 16px;
    border: 1px solid rgba(234, 0, 0, 0.1);
}

.day-input {
    width: 80px;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    border: 2px solid rgba(234, 0, 0, 0.2);
    border-radius: 16px;
    color: var(--coke-red);
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.day-input:focus {
    outline: none;
    border-color: var(--coke-red);
    box-shadow: 0 0 0 3px rgba(234, 0, 0, 0.1);
}

.loading-spinner {
    display: none;
    text-align: center;
    padding: 20px;
}

.loading-spinner.active {
    display: block;
}

/* Login Screen Styles */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: all 0.5s ease;
}

.login-screen.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
}

.login-container {
    background: var(--coke-white);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    overflow: hidden;
    display: flex;
    max-width: 900px;
    width: 90%;
    min-height: 500px;
}

.login-image-section {
    flex: 1;
    background: linear-gradient(135deg, var(--coke-red) 0%, var(--coke-dark-red) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.truck-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.login-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--coke-red) 0%, transparent 50%, var(--coke-dark-red) 100%);
    opacity: 0.3;
}

.login-form-section {
    flex: 1;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-logo {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--coke-red) 0%, var(--coke-dark-red) 100%);
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--coke-white);
    font-size: 40px;
    box-shadow: 0 10px 20px rgba(234, 0, 0, 0.3);
    margin-bottom: 20px;
}

.login-title {
    font-size: 28px;
    font-weight: bold;
    color: var(--coke-red);
    margin-bottom: 10px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.login-subtitle {
    color: var(--coke-gray);
    font-size: 16px;
}

.login-form {
    margin-top: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--coke-gray);
    font-weight: 500;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #E8E8E8;
    border-radius: 16px;
    font-size: 16px;
    transition: all 0.3s ease;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background: var(--coke-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--coke-red);
    box-shadow: 0 0 0 3px rgba(234, 0, 0, 0.1);
}

.login-button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--coke-red) 0%, var(--coke-dark-red) 100%);
    color: var(--coke-white);
    border: none;
    border-radius: 16px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
    box-shadow: 0 8px 16px rgba(234, 0, 0, 0.3);
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(234, 0, 0, 0.4);
    background: linear-gradient(135deg, var(--coke-dark-red) 0%, #B50000 100%);
}

.login-error {
    background: #FFE8E8;
    color: var(--coke-red);
    padding: 12px 16px;
    border-radius: 12px;
    margin-top: 15px;
    font-size: 14px;
    display: none;
    border-left: 4px solid var(--coke-red);
}

.main-app {
    transition: all 0.5s ease;
}

.main-app.hidden {
    opacity: 0;
    transform: translateY(20px);
}

/* Logout Button Styles */
#logoutButton {
    transition: all 0.3s ease;
    border-radius: 12px;
    font-weight: 500;
    padding: 8px 16px;
    font-size: 14px;
}

#logoutButton:hover {
    background-color: var(--coke-red);
    border-color: var(--coke-red);
    color: var(--coke-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(234, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
        max-width: 400px;
        min-height: auto;
    }
    
    .login-image-section {
        min-height: 200px;
    }
    
    .login-form-section {
        padding: 30px 20px;
    }
}